Bulletin of the Geological Society of America, Volume 22The Society, 1911 - Geology Vols. for 1938-61 include as pt. 2 of the December issue the Society's Abstracts, later published separately. |
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Aftonian Appalachian Valley areas Arkansas Atlantic beds brachiopods Bryozoa Cambrian Canadian Catinga limestone Chambersburg channels chert clastic continent continental seas corals correlation December deposits developed Devonian diastrophic distribution dolomite drainage early east eastern erosion evidence fact faults faunas feet figure folding formation forms fossils fracture GEOL Geological Society geologists Geyser graptolites Gulf of Mexico Hudson indicated Iowa Kimmswick land later less lime limestone lithologic locally lower Lowville marine Mexico middle Miocene Mississippi Valley Missouri Mountain movements Museum northern occur oceanic basins Ordovician overlap Ozarkian Paleontology Paleozoic Pennsylvania period pre-Glacial present probably reefs region represented rhyolite rocks Saint Salitre sandstone Schuchert sediments seems shale Silurian Society of America southern species stage Stones River stratigraphic stream structure submergence surface Tennessee thermal waters thickness tion Trenton troughs U. S. Geological Survey unconformity University Washington Waverlyan western Yellville York zone