The Geology of the Crystalline Rocks of Southeastern New York (Classic Reprint)

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Excerpt from The Geology of the Crystalline Rocks of Southeastern New YorkPutnam county to the subjacent gneiss, and from the nearly complete stratigraphic continuity, it is inferred that the crystalline limestone of Westchester county is equivalent to that of southeastern Dutchess county, the age of which has been satisfactorily established by the work of Dwight, Dana, and others to be calciferous-trenton, and the schist and micaceous gneiss overlying the limestone by like analogy is considered to be of Hudson river age.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.