Snowball Earth

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Dreaming of a White Christmas?Some people love having snow at Christmas while others see it purely a

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Snowball Earth (The Huronian Glaciation)Could you believe, that 2400-2100 Mya ago, the Earth was ent

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Then the Earth MeltedBetween 800 and 650 million years ago, there is evidence in the geologic record

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Dreaming of a White Christmas?Some people love having snow at Christmas while others see it purely a

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HypercanesIn the aftermath of the immense 2017 hurricane season, questions about the link between st

Link #hypercane #hurricane #geology #science #nature #landscape #death valley #storm #climate change #snowball earth #cap carbonate #the earth story

Rip-up clastsThe tiniest sedimentary grains are clay minerals. The little grain fragments are so sma

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Mixing the entire oceanIn this shot, photographer James St. John is sitting at a single layer that r

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Early Oxygen jumpFree oxygen first appeared in Earth’s atmosphere at least 2.5 billion years ago aft

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Mineral Fork formationThese rocks are found exposed in a number of mountain ranges in Utah. See the

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Dreaming of a White Christmas?Some people love having snow at Christmas while others see it purely a

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Of snowball Earth and other worlds.As we digest news of the disappearance of the polar ice cap, and

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Folded turbiditesThis image from the Landsat 7 spacecraft shows the ephemeral Ugab River as it flows

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A bit of perspectiveI don’t often share graphics, being in love with photography since a young

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Ediacaran fossilsThe biggest division in the geologic record of Earth is between the Precambrian and

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Ediacaran fossilsThe biggest division in the geologic record of Earth is between the Precambrian and

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The Sixtymile formation: last of the SupergroupOn top of the shales of the Chuar group sits one last

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The Sixtymile formation: last of the SupergroupOn top of the shales of the Chuar group sits one last

Link #grand canyon #grand canyon stratigraphy #sixtymile formation #cobble #conglomerate #channel #snowball earth #science #geology #nature #erosion #the earth story

The Kwagunt formation and the CryogenianThe next unit up in the Grand Canyon is (I think) seen here;

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The final chapter of the Pre-Cambrian is known as the Proterozoic, and this stretches from the end o

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Hypercanes In the aftermath of Super-typhoon Haiyan, which came ashore with tornado-level winds, que

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