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Emsian Stage |
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Emsian Stage
the upper stage of the Lower Devonian system (period). At its type location, the Emsian is represented by a thick layer of sandstones, clays, and shales. Two substages have been identified in the Ardennes-Rhine region. The upper substage is characterized by a change in the marine fauna and the appearance of Middle Devonian groups, such as brachiopods, trilo-bites (Basidechenella), goniatites (Anarcestes), and corals (Calceolo sandalina). The Emsian Stage corresponds to the upper part of the Co-blenzian Stage in Belgium. In the USSR it corresponds approximately to the upper part of the Lower Devonian and the lower part of the Eifelian Stage. [SeeDEVONIAN SYSTEM (PERIOD).] Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | 2 and Table 2) indicate that the emplacement of the early suite occurred over at least 8 Ma and belongs to the late Emsian stage (Megacrystic Granite G1--394. |
Emsian Stage |
EMSCB EMSCC EMSCE EMSD EMSDC EMSDS EMSE EMSEA EMSEC EMSEC EMSEM EMSEN EMSEO EMSEP Emser Depesche Emser, Hieronymus EMSES EMSEV EMSF EMSG Emsh EMSHG EMSI EMSIA Emsian Stage EMSIGEMSIS EMSIWARN EMSJ EMSK EMSL EMSL-LV Emsland Emsland (district) EMSLIBS EMSLRC EMSM EMSMD EMSN EMSNI EMSO EMSOC EMSOF EMSON EMSOP EMSOS Emsp EMSP1 EMSPA | |||||||
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