Craton

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Gondwana CratonsA Craton is an ancient piece of earth’s continental crust, one that has been stable

Link #craton #science #gondwana #continent #geology #plate tectonics #the earth story #south america #africa

Tectonic TimelineOut of the solid, rocky worlds in our solar system, only 1 has a crust broken into

Link #science #geology #plate tectonics #magnetic #australia #craton #precambrian #research #study #harvard #the earth story

The Legacy of Sir John RaeThe Rae craton forms a large portion of the Northwest Canadian Shield and

Link #canada #rae craton #craton #geology #science #expedition #northwest passage #history #shield #arctic #the earth story #nunavut #hudson bay

The Legacy of Sir John RaeThe Rae craton forms a large portion of the Northwest Canadian Shield and

Link #canada #rae craton #craton #geology #science #expedition #northwest passage #history #shield #arctic #the earth story #nunavut #hudson bay

A deeper lookLurking beneath all the more recent layers of rocks that drape our continents are their

Link #geology #antarctica #gneiss #metamorphic #craton #boudinage #science #crust #continent #wilson cycle #the earth story

Bass FormationIn the Grand Canyon, the oldest rocks are highly metamorphosed schists and gneisses –

Link #geology #grand canyon #national park #stratigraphy #bass formation #science #precambrian #supergroup #grand canyon supergroup #research #zircon #continent #craton #the earth story #fossilfriday #stromatolite

Bass FormationIn the Grand Canyon, the oldest rocks are highly metamorphosed schists and gneisses –

Link #geology #grand canyon #national park #stratigraphy #bass formation #science #precambrian #supergroup #grand canyon supergroup #research #zircon #continent #craton #the earth story #fossilfriday #stromatolite

The core of Northern AfricaI found this image while searching yesterday and thought it was a particu

Link #africa #craton #gondwanaland #geology #continent #nature #orogeny #metacraton #the earth story

ScouredThis rock is one of many granitic rocks, often metamorphosed, found on the southwestern coast

Link #granite #gneiss #metamorphic #geology #glacial #precambrian #baltic #shield #craton #scandinavia #glacier #the earth story

Sudbury impact crater in Canada.The oval shape in the image below is the last surviving evidence of

Link #sudbury #crater #geology #canada #nature #science #landscape #travel #nickel #metal #hydrothermal #lava lake #craton #precambrian #the earth story #impact #bolide #asteroid

Mantle degassing in the Rockies.As you bathe in Colorado’s hot springs, your legs may be being

Link #geology #science #chemistry #helium #mantle #colorado #hot spring #aquifer #craton #continent #travel #nature #research #the earth story #arsenic

theafricantraveler:Barberton; where it all began! South AfricaSome of the oldest rocks on Earth.

Link #geology #archaean #barberton #south africa #mountain #craton #metamorphic #travel #photography #nature #landscape #africa #the earth story

mapsontheweb:The lithology and general topography of Canada. Map made by the Geological Survey of Ca

Link #geology #topography #canada #photography #the earth story #canadian shield #canadian rockies #craton #hudson bay

Clearwater Lakes impact craters, Canada.In a recent post on Manicougan impact crater (http://tinyurl

Link #canada #crater #impact #asteroid #bolide #double impact #geology #craton #archaean #clearwater #lakes #earth from space #satellite #science #hudson bay #permian #the earth story

Earth’s early impactsToday, asteroids large enough to cause global effects only hit the planet Earth

Link #science #geology #impact #asteroid #archaean #spherule #archean #metamorphic #pilbara #craton #the earth story

Hampi BouldersThis site is found in India, in the central/southern portion of the peninsula. The roc

Link #hampi #geology #boulder #india #dharwar #craton #granite #gneiss #vijayanagar #kingdom hearts #history #column #artifact #continent #the earth story

Remnant of a plumeCanada is some of the oldest continental crust on Earth, with provinces that are w

Link #geology #canada #igneous #volcanism #science #large igneous province #craton #crust #the earth story

Coal in sequenceThis outcrop near Keasden in England shows a classic British coal layer surrounded b

Link #science #geology #carboniferous #wales #england #caledonian #orogeny #mountain #swamp #fossil fuel #fossilfriday #great britain #sea level #the earth story #laurentia #baltica #craton

An interesting lifeThis rock could tell some stories. In fact, it does. Today, this rock was found a

Link #geology #conglomerate #metamorphic #jasper #minnesota #basalt #greenstone #archaean #superior #craton #glacier #erratic #the earth story

Canadian DikeThis single layer of rock standing above the surroundings is an ancient piece of igneou

Link #science #nature #geology #igneous #canada #craton #magma #the earth story #nunavut #erosion #glacier #landscape