Author: California. Division of Mines and GeologyPublisher:
ISBN:
Category : Geology
Languages : en
Pages : 42
Book Description
Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California
Author: California. Division of Mines and GeologyPublisher:
ISBN:
Category : Geology
Languages : en
Pages : 42
Book Description
Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California
Author: Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California:
Author: California Division of Mines and GeologPublisher:
ISBN: 9781376215441
Category : History
Languages : en
Pages : 50
Book Description
Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California (Classic Reprint)
Author: California Division of Mines an GeologyPublisher: Forgotten Books
ISBN: 9780666620613
Category : Science
Languages : en
Pages : 50
Book Description
Excerpt from Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California The Santa Ysabel quadrangle lies along the east edge of the composite Peninsular Ranges batholith of Creta ecoas age. The oldest rocks are Triassic schists which occur as small roof pendants and as one large body in the vicinity of Julian. Jurassic gneissose quartz dio rite is intimately mixed with much of the schist, the two making a complex into which were intruded various members of the Cretaceous batholith. These intrusions are limited to gabbro and several tonalites. Structural features of the igneous rocks suggest that emplacement may have been accomplished by stoping in some places and by forceful injection in others. Pleistocene continental gravels occur as remnants of a once continuous extensive blanket in the northern portion of the quadrangle. 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.
Geology and Mineral Resources of Santa Ysabel Quadrangle, San Diego County, California
Author: California Division of Mines and GeologPublisher: Andesite Press
ISBN: 9781296631512
Category :
Languages : en
Pages : 50
Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Water Resources of the Santa Ysabel and Mesa Grande Indian Reservations, San Diego County, California
Author: John R. FreckletonPublisher:
ISBN:
Category : Water-supply
Languages : en
Pages : 36
Book Description
Studies on the Geology and Geologic Hazards of the Greater San Diego Area, California
Author: Arnold RossPublisher: San Diego Geological Soc
ISBN:
Category : Science
Languages : en
Pages : 158
Book Description
Geological Survey Bulletin
Author: Reconnaissance Geology of the State of Baja California
Author: R. Gordon GastilPublisher: Geological Society of America
ISBN: 0813711401
Category : Science
Languages : en
Pages : 214
Book Description
Geology of San Diego County
Author: Harold J. CliffordPublisher:
ISBN:
Category : Science
Languages : en
Pages : 180
Book Description
This volume provides a non-technical overview of the structural and historical geology of the San Diego region. This work guides travelers in the field via interpretive road logs keyed to the post mile marker system. The authors review San Diego's current landforms, seismic environment, and mineral resources with particular emphasis on its natural division into three geomorphic sections -- coastal, mountain, and desert. They also outline the geologic and fossil history of the county as a whole from its origin hundreds of millions of years until about twenty million years ago. Major tectonic plate realignment then differentiated the evolution of the coastal plains and beaches from the Salton Trough deserts are treated separately with the coast and the desert, from Neogene through Quaternary time.