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THE CHARLEVOIX IMPACT CRATER The impact structure, 54Km in diameter , is approximately half-exposed. The other half is under the St. Laurent River (Figure 1,2,3). The crater straddles the cystalline Grenville province, the Cambrian-Ordovician sediments, and accreted Appalachian Orogen. Supra-crustal faults make up the impact cratering. METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? Can we detect plate tectonics on exoplanets? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’. Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways notat
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Videos and Media. VideoLan Player ( vlc ): Play video files in almost any format that you can think of. Openshot ( openshot, openshot-doc ): Simple video editing. avconv ( libav-tools ): Command-line tool to change the size, framerate, format etc. of videos. Good for extracting the soundtrack as an mp3. THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of A HISTORY OF ASH CLOUDS AND AVIATION CORNWALL: TIN, PASTIES AND THE WORLD Cornwall: tin, pasties and the world. Posted on 24 March, 2013 by Metageologist. The county of Cornwall is like England’s foot, stretching out languorously into the warm waters of the Gulf Stream 1. Now a relatively poor area, best known for fishing and tourism, it has a proud industrial past based on mining, notably of tin. ALL-GEO: THE BEST OF GEOLOGY AND EARTH SCIENCE ON THE WEBEARTH SCIENCE ERRATICSHIGHLY ALLOCHTHONOUSVOLCAN01010EARTH AS A PLANET Ellipsoidal Basins is a geographical term used to describe deep, elongated lakes, formed by subglacial activity beneath past ice sheets . Examples of these basins include the Great Lakes and Finger Lakes of North America . These basins were formed either where the ice was topographically constrained (Finger Lakes), had vulnerable MEASURING ACTUAL EVAPOTRANSPIRATION WITH WEIGHING Weighing lysimeters are one of the very best ways of measuring the actual evapotranspiration from a small area of land, because they use mass balance (i.e., changing weight) to give us the combined total of plant transpiration, soil evaporation, and interception losses over time. Our class potted plant experiments were in the laboratory, butin
THE CHARLEVOIX IMPACT CRATER The impact structure, 54Km in diameter , is approximately half-exposed. The other half is under the St. Laurent River (Figure 1,2,3). The crater straddles the cystalline Grenville province, the Cambrian-Ordovician sediments, and accreted Appalachian Orogen. Supra-crustal faults make up the impact cratering. METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? Can we detect plate tectonics on exoplanets? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’. Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways notat
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Videos and Media. VideoLan Player ( vlc ): Play video files in almost any format that you can think of. Openshot ( openshot, openshot-doc ): Simple video editing. avconv ( libav-tools ): Command-line tool to change the size, framerate, format etc. of videos. Good for extracting the soundtrack as an mp3. THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of A HISTORY OF ASH CLOUDS AND AVIATION CORNWALL: TIN, PASTIES AND THE WORLD Cornwall: tin, pasties and the world. Posted on 24 March, 2013 by Metageologist. The county of Cornwall is like England’s foot, stretching out languorously into the warm waters of the Gulf Stream 1. Now a relatively poor area, best known for fishing and tourism, it has a proud industrial past based on mining, notably of tin. WHAT’S IN A (GEOLOGICAL) NAME? What’s in a (geological) name? Posted on 8 October, 2013 by Metageologist. Devil’s toenail. The Earth Sciences are often about bringing order to the wonderful overflowing complexity of the natural world. The geological way of doing this is often to classify. A hill-side of rocks, often a bewildering mess to an amateur (or firstyear student
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Videos and Media. VideoLan Player ( vlc ): Play video files in almost any format that you can think of. Openshot ( openshot, openshot-doc ): Simple video editing. avconv ( libav-tools ): Command-line tool to change the size, framerate, format etc. of videos. Good for extracting the soundtrack as an mp3. GREAT GEOLOGY IN GOOGLE MAPS: MAPPING FROM ABOVE Great Geology in Google Maps: mapping from above. In most cases, geological maps are made by piecing together observations of hundreds of individual outcrops. Boundaries between types of rock are covered in grass and sheep 1 and have to be traced on the map later as a line between rock outcrops, like a inverted game of dot-to-dot. In areaslike
STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS Structural Geology by the Deformation numbers. Posted on 1 April, 2013 by Metageologist. Structural geologists seek to understand how rocks have changed shape, in order to better understand wider processes such as how mountains are formed. Sometimes they use a terminology called ‘Deformation-numbers’ which I will now explain via a series ofEARTHQUAKES
A brief summary of the past two week’s significant earthquakes, and their tectonic context. Continue reading → PHOTOS | HIGHLY ALLOCHTHONOUS | PAGE 16 This image, just released from NASA’s Earth Observatory, is both scary and beautiful This is – or was – the Aral Sea*. 50 years ago, it was a substantial body of water. HYDROLOGY | HIGHLY ALLOCHTHONOUS | PAGE 15 Fargo, North Dakota is coming out of its 3rd snowiest winter since 1885. Snow continued to fall into late March, and daytime temperatures have only been above freezing for few weeks. EASILY CHANGE COORDINATE PROJECTION SYSTEMS IN PYTHON WITH Python is an easy-to-use programming language which, thanks to a growing number of cool extension modules, is really taking off in the world of scientific data handling. The Proj4 libraries are a set of programs for performing coordinate system transformations. Both are open source, so you are free to install them on as many computers as you want and to share them with your friends.METAGEOLOGIST
I was digging in my garden yesterday and I saw something that looked like a curled up grub sitting on the soil. I picked it up and realised it was once alive, but hasn’t for quite some time. GEOLOGY | HIGHLY ALLOCHTHONOUS | PAGE 18 NEWS & COMMENTARY FROM THE WORLD OF GEOLOGY & EARTH SCIENCE. Skip to content. Home; The Authors; Allochthonous?! Contact us ALL-GEO: THE BEST OF GEOLOGY AND EARTH SCIENCE ON THE WEBEARTH SCIENCE ERRATICSHIGHLY ALLOCHTHONOUSVOLCAN01010EARTH AS A PLANET Ellipsoidal Basins is a geographical term used to describe deep, elongated lakes, formed by subglacial activity beneath past ice sheets . Examples of these basins include the Great Lakes and Finger Lakes of North America . These basins were formed either where the ice was topographically constrained (Finger Lakes), had vulnerable THE CHARLEVOIX IMPACT CRATER The impact structure, 54Km in diameter , is approximately half-exposed. The other half is under the St. Laurent River (Figure 1,2,3). The crater straddles the cystalline Grenville province, the Cambrian-Ordovician sediments, and accreted Appalachian Orogen. Supra-crustal faults make up the impact cratering. MEASURING ACTUAL EVAPOTRANSPIRATION WITH WEIGHING Weighing lysimeters are one of the very best ways of measuring the actual evapotranspiration from a small area of land, because they use mass balance (i.e., changing weight) to give us the combined total of plant transpiration, soil evaporation, and interception losses over time. Our class potted plant experiments were in the laboratory, butin
CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? Can we detect plate tectonics on exoplanets? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’. Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways notat
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Videos and Media. VideoLan Player ( vlc ): Play video files in almost any format that you can think of. Openshot ( openshot, openshot-doc ): Simple video editing. avconv ( libav-tools ): Command-line tool to change the size, framerate, format etc. of videos. Good for extracting the soundtrack as an mp3. METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
A HISTORY OF ASH CLOUDS AND AVIATION EASILY CHANGE COORDINATE PROJECTION SYSTEMS IN PYTHON WITHSEE MORE ONALL-GEO.ORG
ALL-GEO: THE BEST OF GEOLOGY AND EARTH SCIENCE ON THE WEBEARTH SCIENCE ERRATICSHIGHLY ALLOCHTHONOUSVOLCAN01010EARTH AS A PLANET Ellipsoidal Basins is a geographical term used to describe deep, elongated lakes, formed by subglacial activity beneath past ice sheets . Examples of these basins include the Great Lakes and Finger Lakes of North America . These basins were formed either where the ice was topographically constrained (Finger Lakes), had vulnerable THE CHARLEVOIX IMPACT CRATER The impact structure, 54Km in diameter , is approximately half-exposed. The other half is under the St. Laurent River (Figure 1,2,3). The crater straddles the cystalline Grenville province, the Cambrian-Ordovician sediments, and accreted Appalachian Orogen. Supra-crustal faults make up the impact cratering. MEASURING ACTUAL EVAPOTRANSPIRATION WITH WEIGHING Weighing lysimeters are one of the very best ways of measuring the actual evapotranspiration from a small area of land, because they use mass balance (i.e., changing weight) to give us the combined total of plant transpiration, soil evaporation, and interception losses over time. Our class potted plant experiments were in the laboratory, butin
CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? Can we detect plate tectonics on exoplanets? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’. Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways notat
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Videos and Media. VideoLan Player ( vlc ): Play video files in almost any format that you can think of. Openshot ( openshot, openshot-doc ): Simple video editing. avconv ( libav-tools ): Command-line tool to change the size, framerate, format etc. of videos. Good for extracting the soundtrack as an mp3. METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
A HISTORY OF ASH CLOUDS AND AVIATION EASILY CHANGE COORDINATE PROJECTION SYSTEMS IN PYTHON WITHSEE MORE ONALL-GEO.ORG
METAGEOLOGIST
I won Felix’s WoGE #342 only after he made some rather broad hints, which meant this was more of a Google search solution than a Google Earth one, if you know what I mean.. If you don’t, welcome! You have found a fabulous way of wasting time whilst marvelling at the beauty of the earth’s surface. Your mission is to look at the picture below, find the same picture in Google Earth and PEOPLE - ALL-GEO.ORG People. Anne J. Jefferson grew up on the Mississippi River in southeastern Minnesota and spent summers on Lake Superior. These two places imbued her with a love of water and the dynamic way it shapes landscapes. Anne completed her undergraduate degree at Johns Hopkins University, an MS in Water Resources Science from the University ofMinnesota
METAGEOLOGIST
In areas of active mountain-building the middle crust can get hot and weak, like a soft jam/jelly filling in a sandwich.. These squishy rocks are hidden from us by the cold rigid upper crust, so we wouldn’t expect to see them reach the surface, would we?GEOLOGY AND MYTH
Geology and myth. Posted on 4 January, 2012 by Metageologist. As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. There are geologists who take a different view. WHAT’S IN A (GEOLOGICAL) NAME? What’s in a (geological) name? Posted on 8 October, 2013 by Metageologist. Devil’s toenail. The Earth Sciences are often about bringing order to the wonderful overflowing complexity of the natural world. The geological way of doing this is often to classify. A hill-side of rocks, often a bewildering mess to an amateur (or firstyear student
GREAT GEOLOGY IN GOOGLE MAPS: MAPPING FROM ABOVE Great Geology in Google Maps: mapping from above. In most cases, geological maps are made by piecing together observations of hundreds of individual outcrops. Boundaries between types of rock are covered in grass and sheep 1 and have to be traced on the map later as a line between rock outcrops, like a inverted game of dot-to-dot. In areaslike
THE GEOLOGY OF MOUNT EVEREST In the 30’s and 50’s mountaineers on Everest were also explorers and they collected samples One geologist, Lawrence Wager, got to with 300m of the summit in 1933 and later became Professor of Geology at Oxford (my alma mater) . One paper on Everest geology (Jessup et al 2006) is a detailed study of microstructures. STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS Structural Geology by the Deformation numbers. Posted on 1 April, 2013 by Metageologist. Structural geologists seek to understand how rocks have changed shape, in order to better understand wider processes such as how mountains are formed. Sometimes they use a terminology called ‘Deformation-numbers’ which I will now explain via a series of GEOLOGICAL BASICS: THE DIFFERENCE BETWEEN CHRONOLOGY AND Geological Basics: the difference between chronology and stratigraphy. Posted on March 29, 2007 by Chris Rowan. When geologists talk about how old a rock or a fossil is, or when a particular tectonic event happened, they don’t usually just give an age in millions or billions of years – they also state its location within a hierarchyof Eons
A WORLD WITHOUT SUBDUCTION A world without subduction. The greatest achievement of the generation of Earth Scientists now retiring is the concept of plate tectonics. The insight that the earth’s surface is made up of rigid plates that move has shed light on all aspects of Earth Science, from palaeontology to geophysics to the study of ancient climates. ALL-GEO: THE BEST OF GEOLOGY AND EARTH SCIENCE ON THE WEBEARTH SCIENCE ERRATICSHIGHLY ALLOCHTHONOUSVOLCAN01010EARTH AS A PLANET Ellipsoidal Basins is a geographical term used to describe deep, elongated lakes, formed by subglacial activity beneath past ice sheets . Examples of these basins include the Great Lakes and Finger Lakesof North America .
CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’.Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways not at all like our own solar system.. It’s very exciting, particular for a space junkie like me MEASURING ACTUAL EVAPOTRANSPIRATION WITH WEIGHING Obviously, large lysimeters are expensive to construct and are used for a lot more than just measuring evapotranspiration. Two of the videos above show how lysimeters can be used to gain insight into water quality problems. THE CHARLEVOIX IMPACT CRATER Special thanks to field trip leaders Alain Tremblay and Francine Robert. Last month the Canadian Tectonics Group (CTG) held their annual meeting at Charlevoix, Quebec, the site of a Devonian impact structure. The field trip portion of the meeting centered around learning about and seeing impact structures inoutcrop.
METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Hey man, Looks nice! Have been thinking about getting my Ubuntu on for a while, so will have a play and see. Other programs you may like for your list are Mendeley a dynamite referencing program which kicks Endnote’s bum. As soon as I download a pdf through my browser, Mendeley picks it up, copies it to its own referencing subfolders, and searches for the doi. EASILY CHANGE COORDINATE PROJECTION SYSTEMS IN PYTHON WITHSEE MORE ONALL-GEO.ORG
A HISTORY OF ASH CLOUDS AND AVIATION ALL-GEO: THE BEST OF GEOLOGY AND EARTH SCIENCE ON THE WEBEARTH SCIENCE ERRATICSHIGHLY ALLOCHTHONOUSVOLCAN01010EARTH AS A PLANET Ellipsoidal Basins is a geographical term used to describe deep, elongated lakes, formed by subglacial activity beneath past ice sheets . Examples of these basins include the Great Lakes and Finger Lakesof North America .
CAN WE DETECT PLATE TECTONICS ON EXOPLANETS? As celebrated in this Ars Technica piece, the 2010s was ‘the decade of the exoplanet’.Largely thanks to the Kepler telescope, the past ten years has seen an explosion in exoplanet discoveries. More than 4000 planets have now been identified orbiting other stars, generally arranged in ways not at all like our own solar system.. It’s very exciting, particular for a space junkie like me MEASURING ACTUAL EVAPOTRANSPIRATION WITH WEIGHING Obviously, large lysimeters are expensive to construct and are used for a lot more than just measuring evapotranspiration. Two of the videos above show how lysimeters can be used to gain insight into water quality problems. THE CHARLEVOIX IMPACT CRATER Special thanks to field trip leaders Alain Tremblay and Francine Robert. Last month the Canadian Tectonics Group (CTG) held their annual meeting at Charlevoix, Quebec, the site of a Devonian impact structure. The field trip portion of the meeting centered around learning about and seeing impact structures inoutcrop.
METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKY Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing THE SOUTH MAYO TROUGH: TINY GRAINS RECORD HUGE EVENTSSEE MORE ONALL-GEO.ORG
HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Hey man, Looks nice! Have been thinking about getting my Ubuntu on for a while, so will have a play and see. Other programs you may like for your list are Mendeley a dynamite referencing program which kicks Endnote’s bum. As soon as I download a pdf through my browser, Mendeley picks it up, copies it to its own referencing subfolders, and searches for the doi. EASILY CHANGE COORDINATE PROJECTION SYSTEMS IN PYTHON WITHSEE MORE ONALL-GEO.ORG
A HISTORY OF ASH CLOUDS AND AVIATIONMETAGEOLOGIST
I won Felix’s WoGE #342 only after he made some rather broad hints, which meant this was more of a Google search solution than a Google Earth one, if you know what I mean.. If you don’t, welcome! You have found a fabulous way of wasting time whilst marvelling at the beauty of the earth’s surface. Your mission is to look at the picture below, find the same picture in Google Earth and PEOPLE - ALL-GEO.ORG Anne J. Jefferson grew up on the Mississippi River in southeastern Minnesota and spent summers on Lake Superior. These two places imbued her with a love of water and the dynamic way it shapes landscapes. Anne completed her undergraduate degree at Johns Hopkins University, an MS in Water Resources Science from the University of Minnesota, and a PhD in Geology from Oregon State University.METAGEOLOGIST
In areas of active mountain-building the middle crust can get hot and weak, like a soft jam/jelly filling in a sandwich.. These squishy rocks are hidden from us by the cold rigid upper crust, so we wouldn’t expect to see them reach the surface, would we?GEOLOGY AND MYTH
As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. WHAT’S IN A (GEOLOGICAL) NAME? And one of the subdivisions of the Llanvirn (which is an Anglicised spelling ‘cos we don’t have a ‘v’ in the Welsh alphabet) is the distinctly Welsh ‘Abereiddian’. GREAT GEOLOGY IN GOOGLE MAPS: MAPPING FROM ABOVE In most cases, geological maps are made by piecing together observations of hundreds of individual outcrops. Boundaries between types of rock are covered in grass and sheep1 and have to be traced on the map later as a line between rock outcrops, like a inverted game of dot-to-dot. In areas like Himalayas the same boundaries may be visible in an instant on a vast wall of rock. STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS Hello Mr. Wellings, I am currently working on the first edition textbook Physical Geology Today, by Damian Nance and Brendan Murphy,due to be
THE GEOLOGY OF MOUNT EVEREST Dear Sir, I am getting irritating comments from a creationist who asserts that giant clam shells are lying around on the surface of Mt. Everest and that proves that Mt. Everest was an established mountain that was flooded by Noah’s flood and that the clam shells were washed there during the flood. CORNWALL: TIN, PASTIES AND THE WORLD Cornwall’s tin travels far. The Bronze Age (in Europe 3000 BC to 500 BC) saw extensive trade networks develop across Europe. The technology of smelting copper and tin to form a durable alloy is first seen around the copper deposits of Cyprus. A WORLD WITHOUT SUBDUCTION Earth scientists have a pretty good idea of the details of how modern plate tectonics works. This has required the integration of indirect observation of modern subduction zones (using geophysical techniques) with direct study of rocks that have been inside subduction zones (such as eclogites) plus the creation of subduction zones ‘in silico’ (with computer modelling). PEOPLE - ALL-GEO.ORGSEE MORE ON ALL-GEO.ORG METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKYINDEX MINERALS DEFINITIONMETAMORPHIC INDEX MINERALMINERAL WELLS INDEXRARE MINERALS INDEXROCK AND GEM IDENTIFICATION Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing HOW FLOW GENERATION CONTROLS STREAM HYDROGRAPHS If you have a very small headwater stream that is fed by a few hillslopes, and water gets down those hillslopes very quickly, it doesn’t matter whether the rain drops fall on the top of the slopes or the bottoms, all of the water will arrive in the stream at verysimilar times.
THE CHARLEVOIX IMPACT CRATER Special thanks to field trip leaders Alain Tremblay and Francine Robert. Last month the Canadian Tectonics Group (CTG) held their annual meeting at Charlevoix, Quebec, the site of a Devonian impact structure. The field trip portion of the meeting centered around learning about and seeing impact structures inoutcrop.
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Hey man, Looks nice! Have been thinking about getting my Ubuntu on for a while, so will have a play and see. Other programs you may like for your list are Mendeley a dynamite referencing program which kicks Endnote’s bum. As soon as I download a pdf through my browser, Mendeley picks it up, copies it to its own referencing subfolders, and searches for the doi.GEOLOGY AND MYTH
As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of WHERE ON GOOGLE EARTH #322 This is the Kurgiakh Valley in the Zanskar region of the Northwest Himalayas. 33.02N 77.24E This seems to be a popular route for the tourists who visit this part of Indian-controlled Kashmir to see spectacular mountains and remnants of traditional Tibetan culture. STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS CORNWALL: TIN, PASTIES AND THE WORLD Cornwall’s tin travels far. The Bronze Age (in Europe 3000 BC to 500 BC) saw extensive trade networks develop across Europe. The technology of smelting copper and tin to form a durable alloy is first seen around the copper deposits of Cyprus. PEOPLE - ALL-GEO.ORGSEE MORE ON ALL-GEO.ORG METAMORPHISM: GRADE, ZONES, INDEX MINERALS, AND WHISKYINDEX MINERALS DEFINITIONMETAMORPHIC INDEX MINERALMINERAL WELLS INDEXRARE MINERALS INDEXROCK AND GEM IDENTIFICATION Using this concept grade and index minerals, a walk across Scotland becomes a walk through different metamorphic conditions. Starting in the chlorite zone (near the Laphroaig whisky distillery on Islay perhaps, bottle marked A), rocks are slatey, with well preserved sedimentary features. Since they were muds and sandstones, there have been some metamorphic reactions producing HOW FLOW GENERATION CONTROLS STREAM HYDROGRAPHS If you have a very small headwater stream that is fed by a few hillslopes, and water gets down those hillslopes very quickly, it doesn’t matter whether the rain drops fall on the top of the slopes or the bottoms, all of the water will arrive in the stream at verysimilar times.
THE CHARLEVOIX IMPACT CRATER Special thanks to field trip leaders Alain Tremblay and Francine Robert. Last month the Canadian Tectonics Group (CTG) held their annual meeting at Charlevoix, Quebec, the site of a Devonian impact structure. The field trip portion of the meeting centered around learning about and seeing impact structures inoutcrop.
ALL THE SOFTWARE A GEOSCIENTIST NEEDS. FOR FREE! Hey man, Looks nice! Have been thinking about getting my Ubuntu on for a while, so will have a play and see. Other programs you may like for your list are Mendeley a dynamite referencing program which kicks Endnote’s bum. As soon as I download a pdf through my browser, Mendeley picks it up, copies it to its own referencing subfolders, and searches for the doi.GEOLOGY AND MYTH
As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. HYDROGRAPH SEPARATION: GRAPHICAL AND TRACER … Hydrograph separation using isotope tracers Method takes advantage of conservative mixing of 18O and 2H Two types Time source – new and old water Geographic source – contributions from different landscape positions Punchline: Isotope methods clearly show much of WHERE ON GOOGLE EARTH #322 This is the Kurgiakh Valley in the Zanskar region of the Northwest Himalayas. 33.02N 77.24E This seems to be a popular route for the tourists who visit this part of Indian-controlled Kashmir to see spectacular mountains and remnants of traditional Tibetan culture. STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS CORNWALL: TIN, PASTIES AND THE WORLD Cornwall’s tin travels far. The Bronze Age (in Europe 3000 BC to 500 BC) saw extensive trade networks develop across Europe. The technology of smelting copper and tin to form a durable alloy is first seen around the copper deposits of Cyprus.METAGEOLOGIST
I won Felix’s WoGE #342 only after he made some rather broad hints, which meant this was more of a Google search solution than a Google Earth one, if you know what I mean.. If you don’t, welcome! You have found a fabulous way of wasting time whilst marvelling at the beauty of the earth’s surface. Your mission is to look at the picture below, find the same picture in Google Earth andMETAGEOLOGIST
In areas of active mountain-building the middle crust can get hot and weak, like a soft jam/jelly filling in a sandwich.. These squishy rocks are hidden from us by the cold rigid upper crust, so we wouldn’t expect to see them reach the surface, would we? HOW FLOW GENERATION CONTROLS STREAM HYDROGRAPHS If you have a very small headwater stream that is fed by a few hillslopes, and water gets down those hillslopes very quickly, it doesn’t matter whether the rain drops fall on the top of the slopes or the bottoms, all of the water will arrive in the stream at verysimilar times.
WHAT’S IN A (GEOLOGICAL) NAME? And one of the subdivisions of the Llanvirn (which is an Anglicised spelling ‘cos we don’t have a ‘v’ in the Welsh alphabet) is the distinctly Welsh ‘Abereiddian’.GEOLOGY AND MYTH
As a word, myth has taken on negative connotations. False modern stories are dismissed as “urban myths”, myths are seen as old superstitions to be ‘busted’ by scientific truth. HOW CAN WE MEASURE EVAPOTRANSPIRATION COMPONENTS? 2. Soil evaporation. The conceptually simplest way to measure soil evaporation is the weighing lysimeter, as long as your lysimeter doesn’t contain any vegetation.(The group who used the pots with soil and mulch was measuring soil evaporation in this approach.) STRUCTURAL GEOLOGY BY THE DEFORMATION NUMBERS Hello Mr. Wellings, I am currently working on the first edition textbook Physical Geology Today, by Damian Nance and Brendan Murphy,due to be
EROSION MAKES MOUNTAINS BEAUTIFUL The thing that makes mountains so beautiful and fascinating,is not so much their height as their steepness.Climbers and trekkers flock to the High Himalaya, not to get altitude sickness but for the grandeur of the landscape, the experience of seeing views that require you tolift your head up.
THE GEOLOGY OF MOUNT EVEREST Dear Sir, I am getting irritating comments from a creationist who asserts that giant clam shells are lying around on the surface of Mt. Everest and that proves that Mt. Everest was an established mountain that was flooded by Noah’s flood and that the clam shells were washed there during the flood. GETTING A NOSE FOR FOLDS Folds are found everywhere layers are. Folds are the natural consequence of pushing a rug, cooking lasagna or deforming sedimentary or metamorphic rocks. The best of Geology and Earth Science on the web LATEST FROM THE GEOBLOGOSPHERE: LABORATORY MICROPHOTOGRAPHY IN THE DEPARTMENT OF EARTH SCIENCES AT THE COLLEGE OF WOOSTER (PART 1) Wooster Geologists |5 June, 2021
In a comment on a Fossil of the Week post last month, Wooster Geologist Alumnus Dr. Bill Reinthal asked if I could describe how we do our lab photography in the Earth Sciences department. I started what will be a three-part series last week with a post on our macrophotography equipment and techniques. You may want to read that post first for our general photographic processes. Today I'm showing our photographic system that uses a dissecting microscope with reflected light. Later we'll have a post on our microphotography through a petrographic microscope using transmitted light. As I wrote last time, I am not a professional photographer, and my other departmental colleagues do plenty of their own photography. I'm the one who tends to write the most blog posts! (This is entry #1109 forme ...)
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Categories: Uncategorized; limestone; microphotography; photography; SKAGIT COUNTY MINE WOES Reading the Washington Landscape| 5 June, 2021
Quarries for aggregate go through various phases on a local basis. Once a group of quarries gets established and the market supply is being met there is a period of stasis. But eventually the quarries exhaust the resource and new supplies must be found. Skagit County is going through one of those supply shifts and the disruption that goeswith that
change goskagit.com/opposition-continues-over-skagit-county-mining-proposals. The three proposed mine sites each has particular issues and regulatory status with the issues described in the article. Besides the three mines in the article another mine is proposed to expand, but apparently no significant objections have arisen yet and a fifth mine is in the early stages of the permit process.READ MORE
Categories: geology; policy; SUMMER INTERNSHIPS FOR GRADUATE STUDENTS State of the Planet | 4 June, 2021 Applications will be accepted on a rolling basis until June 20.READ MORE
Categories: General Earth Institute; Health; Water; Center for Sustainable Development; Columbia Water Center; Graduate Student;internships;
THE VALUE OF ‘DATA RESCUE’ FOR UNDERSTANDING RECORD EXTREMES Climate Lab Book | 4 June, 2021 Record extreme temperature events are increasing in frequency as the climate warms. Several of these records have been surprising, in that they have been far above the previous record event for that location. Longer and earlier records, often possibl...READ MORE
Categories: extremes; temperature; ECLIPSES: IT’S ALL ABOUT PERSPECTIVE Planetary Society Weblog | 4 June, 2021 Look at eclipses from the perspective of Earth, the Moon, and beyond. Plus catch up on the week's space news....READ MORE
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MY JAMAICA: A POEM
State of the Planet | 4 June, 2021 An undergraduate student shares an ode to their homeland.READ MORE
Categories: General Earth Institute; nature poetry; COLUMBIA LAW SCHOOL LAUNCHES NEW PODCAST SERIES ON CLIMATE CHANGE ANDTHE LAW
State of the Planet | 4 June, 2021 Defending the Planet, hosted by Professor Michael Gerrard, will feature Columbia Law and international experts, who share insights and ideas on how to save the planet.READ MORE
Categories: Climate; climate change law; Sabin Center for ClimateChange Law;
#ANTARCTICLOG: ANTARCTIC TREES (FROM LONG AGO) The Plainspoken Scientist| 4 June, 2021
#AntarcticLog is a series of comics by Karen Romano Young. You can find the originals here.READ MORE
Categories: Antarctic Log; Education; Online outreach; Popular science; Public; Public outreach; SciArt; SciComm; Science and art; science and society; Science in plain English; Storytelling; Visuals; climate change; climate change communication; climate communication; climate science; featured; fieldwork; plainspoken scientist; science communication; science education; science outreach; Sharing Science;storytelling;
BIDEN'S 2022 NASA BUDGET SAYS YES TO PRETTY MUCH EVERYTHING Planetary Society Weblog | 4 June, 2021 This is the 2nd-best budget proposal for the space agency in 25 years. It embraces a broad set of NASA programs, including Artemis to the Moon, important science initiatives, and a healthy space technologyeffort....
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EGU TEACHER-SCIENTIST PAIRING SCHEME: SUPPORTING GEOSCIENCE EDUCATIONIN SCHOOLS
EGU Geolog | 4 June, 2021 For the vEGU21 General Assembly, the EGU Education & Outreach Committees tried something new. They connected school teacher, Hélder Pereira, with seismologist, Susana Custódio, to create and teach a lesson plan on a topic relevant to Hélder's classroom curriculum: the origin of the South American volcanic gaps. The lesson was live streamed online from Hélder's class in Algarve, Portugal, with Scientist, Susana, joining virtually from the University of Lisbon (Figure 1). In addition to Hélder's curious students, over 40 equally intrigued EGU conference participants joined his class to get a taste of the EGU's Teacher-Scientist Pairing Scheme.READ MORE
Categories: EGU GA 2021; Outreach; Science Communication; #vEGU21; Education; Education Committee; European Geosciences Union General Assembly; outreach; Outreach Committee; paired teaching; science inthe classroom;
THE 31 MAY 2021 LANDSLIDE AT THE BINGHAM CANYON MINE The Landslide Blog | 4 June,2021
At 9 am local time on 31 May 2021 a large landslide occurred at the Rio Tinto Kennecott mine at Bingham Canyon in Utah, USA. This site is famous for one of the largest mining induced landslides ever recorded, and indeed one of the largest recent landslides in North America, in April 2013. Fortunately this landslide is on a farsmaller scale.
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Categories: Mining; featured; landslide report; mine; mining; Planet Labs; satellite images; IS THERE BEAUTY IN THE GREAT BASIN? In the company of plants and rocks| 3 June, 2021
"I begin to think the Great Basin, like many other great things in this world, a great humbug ... very interesting to the geologist and geographer, but dreadfully wearisome to the traveler, as we can attest." Cornelia Ferris, 1853In his wonderful bo...READ MORE
Categories: accreted terranes; Basin and Range geology; Great Basin geology; Nevada geology; volcanism; EARLY OR LATE SPRING BLOOMS? BOTH AFFECT ASTHMAEarth Matters |
3 June, 2021
Spring is a time for blooming plants-and pollen. This image shows poppies blooming in California in Spring 2020. (Source: NASA Earth Observatory) From Wisconsin to Washington D.C., pollen counts were quite high this spring, making seasonal a...READ MORE
Categories: Applied Science; News Roundup; Research News; asthma; bloom; MODIS; public health; remote sensing; spring; spring timing; LABORATORY MACROPHOTOGRAPHY IN THE DEPARTMENT OF EARTH SCIENCES AT THECOLLEGE OF WOOSTER
Wooster Geologists |3 June, 2021
In a comment on a Fossil of the Week post last month, Wooster Geologist Alumnus Dr. Bill Reinthal suggested I describe the processes I use to create images of rocks and fossils for this blog, publications and other outlets. This is a good idea because I can produce an outline of our macrophotography techniques for students and others to use as a reference. My only caveat is that I'm not a professional photographer by any means -- I'm a scientist who does a lot of photography, trying to retain whatever useful ideas I've stumbled across. Like Bill, I'm still building on skills we learned in the Junior Independent Study Geologic Methods course during the last century! I also want to point out that all our departmental faculty and staff do photography and do it well. The following techniques are from my personal perspectives and experiences.READ MORE
Categories: Uncategorized; fossils; limestone; macrophotography;photography;
CONFERENCE WILL DISCUSS RETREAT FROM RISING SEAS AND OTHER CLIMATEHAZARDS
State of the Planet | 3 June, 2021 From June 22 to 25, the Managed Retreat conference will examine the thorny questions around relocating homes and communities away fromgrowing threats.
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Categories: Climate; climate change impacts; climate prediction and adaptation; climate resilience; Events; managed retreat; sea levelrise;
NOT ALL SLOPE FAILURES ARE LARGE The Landslide Blog | 3 June,2021
Inevitably, on this blog I tend to cover larger landslides most of the time. Large landslides have a greater propensity to cause loss and to disrupt, and of course they are also more newsworthy and they are frequently photogenic. However, this gives a very misleading impression of slope failures, the vast majority of which are small. Nonetheless, even these less impressive landslides can have substantial impacts.READ MORE
Categories: landslide report; Emgland; Europe; images; Sheffield;United Kingdom;
PERMIAN SEAFLOOR GARDENS OF GLASS Reporting on a Revolution | 3 June,2021
In Metazoa:Animal Minds and the Birth of Consciousness, author Peter Godfrey-Smith describes the Hexactinellida, a group of sponges that construct hard parts made of silicon dioxide as a support for its soft tissue. In an earlier post I had written b...READ MORE
Categories: biomineralization; diagenesis; dolomite; geology; mineralogy; Pangea; silica; sponges; THE BEST JUPITER PICTURES FROM NASA’S JUNO MISSION Planetary Society Weblog | 2 June, 2021 As the spacecraft prepares to embark on its extended mission, here are some of the most captivating images of Jupiter from NASA's Juno probeso far....
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CELEBRATING CANADIAN INVESTMENTS IN LUNAR SCIENCE AND EXPLORATION Planetary Society Weblog | 2 June, 2021 The Planetary Society congratulates the Government of Canada on a new series of investments in science and exploration at the Moon....READ MORE
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A TALE OF TWO ALPINE TOWNS: STUDY HIGHLIGHTS HOW DIFFERENT TOURISM STRATEGIES INFLUENCE RESILIENCE State of the Planet | 2 June, 2021 Fifty years of data from two towns in the Austrian Alps suggest that the community that focused solely on winter tourism was lessresilient.
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Categories: GlacierHub Blog; Sustainability; Alps; Austria; community awareness of climate change; GlacierHub; resilient communities;tourism;
MEETING PEALE’S MASTODON Dinosours! | 2 June, 2021 Last week, I met a very special fossil. Pictured above is Charles Wilson Peale's mastodon, which is currently on display at the Smithsonian American Art Museum. Exhumed in 1799 near the banks of the Hudson River and unveiled to the public on Christmas Eve, 1801, this was the very first mounted skeleton of a prehistoric animal ever exhibited in the United States. Preceding Darwin's On the Origin of Species by six decades, the mastodon entered public discourse at a time when even the idea of extinction was still hotly debated. The mastodon proved to be a source of national pride for European Americans, demonstrating that North America's natural wonders could rival Europe's great architecture and rich history.READ MORE
Categories: art history; exhibits; fossil mounts; history of science; mammals; museums; reviews; SEDIMENT PROVENANCE: UNDERSTANDING SEDIMENTARY PROCESSES FROM MODERN RIVER SEDIMENT IN THE TROPICAL LOWLANDS (PANTANAL, BRAZIL) Speaking of Geoscience | 2 June,2021
By Edward Lo, Ph.D. Candidate and NSF Graduate Research FellowREAD MORE
Categories: Education; Field Geology; International; Reflection; Science Communication; AGU POSITION STATEMENT ON SCIENCE FUNDING NOW OPEN FOR MEMBER COMMENT From The Prow | 2 June, 2021 AGU members have until 30 June to comment on revisions to the organization's position statement on the crucial role of governmentfunding in science.
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Categories: Diversity, equity and inclusion; Science policy; THE 1918 GETÅ LANDSLIDE DISASTER IN SWEDEN The Landslide Blog | 2 June,2021
A recent post on Reddit has highlighted a landslide disaster that occurred close to the village of Getå in Sweden on 1 October 1918. The event is also well-described in a Wikipedia page.READ MORE
Categories: landslide report; Europe; featured; railway; Sweden;train;
HOW BIG WAS THE ARCHBISHOP? Sauropod Vertebrata Picture of the Week| 2 June, 2021
Various Internet rumours have suggested that the Archbishop is a super-giant sauropod one third larger than the mounted Giraffatitan specimen MB.R.2181 (formerly HMN SII). This is incorrect.READ MORE
Categories: Giraffatitan; math; The Archbishop; HIGHLY ALLOCHTHONOUS LATEST: The Cuyahoga River burned today for the first time in 51 years. Here’s what we can learn from it. ANNE JEFFERSON: WATERSHED HYDROLOGY LATEST: Current events and the work we need to do in our community CHRIS ROWAN: TECTONICS & PALEOMAGNETISM LATEST: AGU 2019 Poster: do analogue sandbox models help students to visualise geologic structures and deformation? JOHN STEVENSON: VOLCANO1010 LATEST: Volcanic ash layers in Svalbard hold clues to the formation ofthe North Atlantic
SIMON WELLINGS: METAGEOLOGIST LATEST: What drives plate tectonics?All-geo.org
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