Gastropods of the Middle Devonian Anderdon Limestone (Classic Reprint)

Gastropods of the Middle Devonian Anderdon Limestone (Classic Reprint)

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Excerpt from Gastropods of the Middle Devonian Anderdon Limestone J. E. Carman (1927, pp. 481-506) concluded that the Sylvania Sandstone and the overlying Detroit River strata are of Devonian age, the silurian-devonian contact in Ohio being at the base of the Sylvania Sandstone. Subsequently Carman (1936, pp. 253-266) described in detail the Sylvania Sandstone of Ohio, noting the un conformity at its base and the gradation of the water-laid phase of the Sylvania into the overlying Detroit River Dolomite. G. M. Ehlers (1945, pp. 110, 111) regarded the Detroit River strata as a group and stated (op. At, p. 118) that the Sylvania Sandstone on further study may prove to be the lowest for mation of the Detroit River Group in southeastern Michigan. He (op. Cit, pp. 116-120) further showed that the Detroit River strata occupied a position between the underlying Bois Blanc Formation, which is a western extension of the Onondaga Limestone (now designated Bois Blanc Limestone bv Canadian geologists) of south western Ontario, Canada, and the overlying Dundee Limestone. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.show more

Product details

  • Paperback | 166 pages
  • 152 x 229 x 9mm | 231g
  • Forgotten Books
  • United States
  • English
  • , black & white illustrations
  • 0243059256
  • 9780243059256