A Study of the Igneous Rocks at York Haven and Stony Brook, Pa. And Their Accompanying Formations: Thesis, Presented to the Faculty of the Department ... Fulfillment of the Requirements for the Degre - Softcover
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Excerpt from A Study of the Igneous Rocks at York Haven and Stony Brook, Pa. And Their Accompanying Formations: Thesis, Presented to the Faculty of the Department of Philosophy of the University of Pennsylvania, in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy
York and Adams counties, and refers them all to dolerite. With this exception little if any work has been published in regard to them.
The following investigation was begun with the desire of studying two of these dikes in order to ascertain what points of resemblance or difference they might show with similar regions elsewhere. In addition to this work a study was made of the formations surrounding one of these dikes.
The two localities selected are at York Haven and Stony Brook, both in York county. At the former locality the surrounding rocks are Triassic, at the latter they are Cambrian.
Before proceeding to a. Description of these dikes it may not be amiss to indicate briefly the geological structure of the part of York county referred to.
The accompanying map, which is reduced from the State Survey map of York county, will assist in making the geological structure clear.
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Paperback. Zustand: New. Print on Demand. This book delves into the geological history of the Triassic period in the region of the Atlantic border states, with a particular focus on the numerous igneous eruptions that occurred during this time. The author explores the diverse types of these eruptions, ranging from thin sheets to massive dikes, and traces their impact not only on the Triassic rocks but also on the surrounding formations down to the Archean era. The book draws on a wealth of literature and research on the Triassic area, providing a comprehensive analysis of these eruptions and their significance in shaping the geological landscape. Through meticulous observation and analysis, the author sheds light on the complex geological processes that have shaped this region over millions of years, offering valuable insights for geologists, historians, and anyone interested in the Earth's geological evolution. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781334348754_0
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