Geology of the Sebastopol Quadrangle, California (Classic Reprint)
Idioma: inglés
Editorial: Forgotten Books, 2018
- Tapa blanda
- Nuevo
Librería: Forgotten Books, London, Reino UnidoForgotten Books
Vendedor de IberLibro desde 2 de junio de 2021
Condición: Nuevo
EUR 16,11
Cantidad disponible: Más de 20 disponibles
Añadir al carritoDescripción del artículo del vendedor
Print on Demand. This book delves into the geological history of the Sebastopol Quadrangle, a region nestled in the western Coast Ranges of California. The author meticulously examines the various rock formations present, ranging from the ancient Franciscan-Knoxville group, formed during the Jurassic period, to the more recent Merced formation and Quaternary deposits. Through detailed descriptions and captivating imagery, the book unveils the complex story of how these formations came to be. It explores the powerful forces that shaped the landscape, including intense folding, faulting, and volcanic activity. The author sheds light on the intriguing relationship between the region's geology and its economic resources, such as sand, gravel, and chromite. By meticulously piecing together the geological puzzle, this book offers a fascinating glimpse into the dynamic processes that have shaped not only the Sebastopol Quadrangle but also the broader California landscape. It is a captivating read for anyone interested in the Earth's history and the forces that continue to mold our planet today. 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.…
N° de ref. del artículo 9781333137380_0
- Título
- Geology of the Sebastopol Quadrangle, California (Classic Reprint)
- Autor
- Russell B. Travis
- Editorial
- Forgotten Books
- Año de publicación
- 2018
- Estado
- New
- Tipo de libro
- print-on-demand item
- Encuadernación
- Paperback
- Idioma
- inglés
- ISBN 10
- 1333137389
- ISBN 13
- 9781333137380
- Catálogos de vendedores
- Geology
The rocks in the area, predominately sedimentary, range in age from Upper Jurassic to Recent. The oldest rocks, the franciscan-knoxville group, form the basement in the region and crop out primarily in the northwestern quarter of the quadrangle. They consist chiefly of sandstones of the graywacke type and interbedded shale, chert, and altered volcanic rocks; they have been intruded by diabase and serpentine. Meta morphic rocks of the glaucophane schist type are locally developed in the vicinity of serpentine and in a few places where no serpentine is apparent. In the southeastern part of the quadrangle, greenish clay of the Petaluma formation (middle or upper Pliocene) is in fault contact with franciscan-knoxville rocks. Both of the formations are unconformably overlain by the Merced formation (upper Pliocene) or by thin basalt flows which locally are interbedded with the Merced formation. The basalt flows are part of a thick series, the Sonoma volcanic rocks (upper Pliocene), which crop out primarily east of the Sebastopol quadrangle. The Merced formation, consisting chiefly of very fine-grained, massive, marine sandstone and some fresh water sand and gravel, forms a thin blanket over most of the central and southern part of the quadrangle. In many places it includes a thin bed of tuff-breccia. Overlying these formations are marine and river terrace deposits and valley alluvium.
The franciscan-knoxville rocks are complexly folded and faulted, but some broad northwest - trending folds can be recognized. The Petaluma formation is Sharply folded, probably by the late Pliocene orogeny. The Merced formation has been broken by a series of high-angle faults as a result of Pleistocene uplift, northeast tilting, and settling movements of the San francisco-marin block which the quadrangle occupies. The large streams draining the area flow westward across the regional structure. Recent subsidence (or rise in sea level) is evidenced by the drowned mouths of these streams.
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.
“Sinopsis” puede pertenecer a otra edición de este título.
Reseña del editor
The rocks in the area, predominately sedimentary, range in age from Upper Jurassic to Recent. The oldest rocks, the franciscan-knoxville group, form the basement in the region and crop out primarily in the northwestern quarter of the quadrangle. They consist chiefly of sandstones of the graywacke type and interbedded shale, chert, and altered volcanic rocks; they have been intruded by diabase and serpentine. Meta morphic rocks of the glaucophane schist type are locally developed in the vicinity of serpentine and in a few places where no serpentine is apparent. In the southeastern part of the quadrangle, greenish clay of the Petaluma formation (middle or upper Pliocene) is in fault contact with franciscan-knoxville rocks. Both of the formations are unconformably overlain by the Merced formation (upper Pliocene) or by thin basalt flows which locally are interbedded with the Merced formation. The basalt flows are part of a thick series, the Sonoma volcanic rocks (upper Pliocene), which crop out primarily east of the Sebastopol quadrangle. The Merced formation, consisting chiefly of very fine-grained, massive, marine sandstone and some fresh water sand and gravel, forms a thin blanket over most of the central and southern part of the quadrangle. In many places it includes a thin bed of tuff-breccia. Overlying these formations are marine and river terrace deposits and valley alluvium.
The franciscan-knoxville rocks are complexly folded and faulted, but some broad northwest - trending folds can be recognized. The Petaluma formation is Sharply folded, probably by the late Pliocene orogeny. The Merced formation has been broken by a series of high-angle faults as a result of Pleistocene uplift, northeast tilting, and settling movements of the San francisco-marin block which the quadrangle occupies. The large streams draining the area flow westward across the regional structure. Recent subsidence (or rise in sea level) is evidenced by the drowned mouths of these streams.
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.
“Acerca de” puede pertenecer a otra edición de este título.
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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