Geology Of The City Of New York Greater New York

Excerpt from Geology of the City of New York: Greater New York The City of New York now embraces four separate, though from a geological view, not distinct areas, viz.: The Borough of Manhattan (Manhattan Island), the Borough of the Bronx, the Borough of Richmond (Staten Island) and the Boroughs of Brooklyn and Queens (Brooklyn, Jamaica, Flatbush and Long Island City). Of these, the Borough of Manhattan and the Borough of the Bronx have a common geological expression; the Boroughs of Brooklyn and Queens are identical in geological character, and carry to its most typical limit the drift area so largely reduced on Manhattan Island by municipal changes, while the Borough of Richmond bears an individual geological structure involving peculiar features not observed in the others. In geological affinities, if the term may be used, Manhattan and the Bronx are allied to northern or primordial, even archæan structures; Richmond, Kings and Queens to southern and recent, though, indeed, in Richmond, there is a problematical nucleus of serpentine hills, probably derivative from crystalline schists, similar to those of Manhattan Island. In view of this diversity of feature the discussion of the topographical conditions and the geological nature of the City of New York will naturally fall into three sections; first that of Manhattan Island, with an appendix embracing briefly the similar construction of the Borough of the Bronx; second, that of Brooklyn and Queens and third, that of Richmond. 1. Manhattan Island. Topography. Manhattan Island, the original nucleus of the present enlarged city, is an irregular rectangle, bounded on the northwest by the Hudson River, on the north by Spuyten Duyvil Creek and the Harlem River, on the east by the Harlem and East Rivers, on the south by the basin of New York Harbor, or the interjunction of the Hudson River and the East River Channels. It preserves a fairly uniform width of two miles northward to 125th Street, and there tapers into an elongated neck-like extension, having an average width of three quarters of a mile at Spuyten Duyvil Creek, its northern extremity. 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.

Published by the American Geophysical Union as part of the Field Trip Guidebooks Series, Volume 361. This field trip enables delegates attending the Twenty-eighth International Geological Congress to spend several days in the largest city in the United States. Local geologists have designed day-long field trips to acquaint participants with the complex geology of the New York city metropolitan region. The papers included in this book will serve as guides to the planned trips but may not necessarily follow the order in which the trips will be scheduled.

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