Amazing Geology: Argentina, Salta, Cafayate.

Amazing Geology: Argentina, Salta, Cafayate.

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The Art of Rock Folding by Ern Mainka--Geological rock folding in sedimentary layers on beach coastline, Croajingalong National Park, Victoria, Australia. Approx 5×3 foot section shown.

The Art of Rock Folding by Ern Mainka--Geological rock folding in sedimentary layers on beach coastline, Croajingalong National Park, Victoria, Australia. Approx 5×3 foot section shown.

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basalt. Reminds me of what I would have seen at Devil's Postpile if the road hadn't still been closed due to snow in May!

basalt. Reminds me of what I would have seen at Devil's Postpile if the road hadn't still been closed due to snow in May!

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Recumbent chevron folds in Early Pennsylvania graywacke and shale of the Bude Formation at Millook Havem on the north coast of Cornwall, southwestern Britain, record the development and deformation of the Varsican foreland basin -- testifying to the closure of the Rheic Ocean during the mid- to Late Pennsylvanian Variscan orogeny. From: GSA Today, Vol. 18, No. 12 (Dec.2009)

Recumbent chevron folds in Early Pennsylvania graywacke and shale of the Bude Formation at Millook Havem on the north coast of Cornwall, southwestern Britain, record the development and deformation of the Varsican foreland basin -- testifying to the closure of the Rheic Ocean during the mid- to Late Pennsylvanian Variscan orogeny. From: GSA Today, Vol. 18, No. 12 (Dec.2009)

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009_Hunsberge_900x900

009_Hunsberge_900x900

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Sedimentary layers fold dramatically toward the ocean in Kejser Franz Joseph Fjord, Greenland

Sedimentary layers fold dramatically toward the ocean in Kejser Franz Joseph Fjord, Greenland

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Kink (or chevron) fold, Sot de Chera, Spain

Kink (or chevron) fold, Sot de Chera, Spain

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Near the edge of Engabreen glacier, the contortions of time are visible in the sinuous infolding of stone. (Photograph by Erlend Haarberg)

Near the edge of Engabreen glacier, the contortions of time are visible in the sinuous infolding of stone. (Photograph by Erlend Haarberg)

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Pyroxene-crystal anthill can't compete with dike and diatreme in Painted Desert country

Pyroxene-crystal anthill can't compete with dike and diatreme in Painted Desert country

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Some seriously folded and faulted rocks (possibly with a folded fault?) Eliat Mtns, southern Israel

Some seriously folded and faulted rocks (possibly with a folded fault?) Eliat Mtns, southern Israel

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