Geology Of The Boston Basin The Blue Hills Complex

Author : William Otis Crosby
Publisher : Forgotten Books
ISBN 13 : 9780267941148
Total Pages : 474 pages
Book Rating : 4.9/5 (411 download)

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Download or read book Geology of the Boston Basin, Vol. 1 written by William Otis Crosby and published by Forgotten Books. This book was released on 2018-02-06 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Geology of the Boston Basin, Vol. 1: Part III, the Blue Hills Complex Among the more general and important problems presented by the area here outlined are: first, the age of the older slate and its relations to the granite; second, the structural relations of this Complex to the sedimentary deposits of both the Boston and Norfolk Basins; and third, the true stratigraphic positions of these newer formations. Fortunately, the first problem, the age of the older slates, finds an easy and satisfactory solu tion in the occurrence in it, at several points, of a Cambrian fauna. There seems to be no reason to doubt that this older or Cambrian slate is the oldest formation now exposed in the entire Blue Hills region; and we thus have the satisfaction. Which was denied us in the Hingham and Nantasket areas, of a well-determined and definite base or starting point for our stratigraphic study. 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.