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New Red Sandstone |
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New Red Sandstone, name for the thick red layer of the Triassic formation in Great Britain (see Triassic period Triassic period (trīăs`ĭk) ..... Click the link for more information. ). It is many thousands of feet thick and is composed chiefly of red sandstones, clays, and conglomerate; the red color and the occurrence of workable quantities of salt and gypsum suggest markedly arid conditions at the time of deposition. New Red Sandstone [′nü ′red ′san‚stōn] (geology) The red sandstone facies of the Permian and Triassic systems exposed in the British Isles. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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And now one of the richest known accumulations of fossil mammals belongs to the middle of the secondary series; and one true mammal has been discovered in the new red sandstone at nearly the commencement of this great series. |
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