Guide to the Geological Model of the Assynt Mountains (Classic Reprint) - Softcover

N. Peach

Softcover

ISBN 10: 1330600657 ISBN 13: 9781330600658

Publisher: Forgotten Books, 2019

Synopsis

Excerpt from Guide to the Geological Model of the Assynt Mountains

The region illustrated by this Model Can scarcely be rivalled for the variety and interest of its tectonics, or for the clearness with which they are displayed. The history of the prolonged investigations by which the true sequence of geological formations and the effects of the tectonic movements were determined has been told in the Memoir on The Geological Structure of the north-west Highlands. From that volume we learn of the first advances in establishing the strati graphy made by [macculloch in the early part of the last century, and of the efforts made by Murchison and other observers to explain what appeared to be a sequence upwards from Lewisian Gneiss through fossiliferous deposits into the Eastern Schists. That such a sequence existed seemed indubitable on the evidence presented by one mountain-side after another, but that it represented a true succession of geological formations, superimposed in order Of age, was keenly opposed by Nicol, and at a later date by Lapworth, Callaway, Bonney, and others. It was not, however, till the ground had been mapped in detail on the six-inch scale by the Geological Survey that it could be demonstrated that the supposed succession was everywhere de ceptive, and due to the piling-up of the rocks by over-thrusting on a stupendous scale, an explanation which has since been found applic able in mountainous regions all the world over. In this survey Drs. Peach and Horne, the authors of this Guide, took a foremost part.

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Edition details

• Publisher: Forgotten Books
• Publication date: 2019
• Language: English
• ISBN 10: 1330600657
• ISBN 13: 9781330600658
• Binding: Paperback
• Number of pages: 40