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Book Major Structural Controls on the Distribution of Pre Tertiary Rocks Nevada Test Site Vicinity Southern Nevada

Download or read book Major Structural Controls on the Distribution of Pre Tertiary Rocks Nevada Test Site Vicinity Southern Nevada written by and published by . This book was released on 1998 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lateral and vertical distributions of Proterozoic and Paleozoic sedimentary rocks in southern Nevada are the combined products of original stratigraphic relationships and post-depositional faults and folds. This map compilation shows the distribution of the pre-Tertiary rocks in the region including and surrounding the Nevada Test Site. It is based on considerable new evidence from detailed geologic mapping, biostratigraphic control, sedimentological analysis, and a review of regional map relationships. Proterozoic and Paleozoic rocks of the region record paleogeographic transitions between continental shelf depositional environments on the east and deeper-water slope-facies depositional environments on the west. Middle Devonian and Mississippian sequences, in particular, show strong lateral facies variations caused by contemporaneous changes in the western margin of North America during the Antler orogeny. Sections of rock that were originally deposited in widely separated facies localities presently lie in close proximity. These spatial relationships chiefly result from major east- and southeast-directed thrusts that deformed the region in Permian or later time. Somewhat younger contractional structures are identified within two irregular zones that traverse the region. These folds and thrusts typically verge toward the west and northwest and overprint the relatively simple pattern of the older contractional terranes. Local structural complications are significant near these younger structures due to the opposing vergence and due to irregularities in the previously folded and faulted crustal section. Structural and stratigraphic discontinuities are identified on opposing sides of two north-trending fault zones in the central part of the compilation region north of Yucca Flat. The origin and significance of these zones are enigmatic because they are largely covered b Tertiary and younger deposits. These faults most likely results from significant lateral offset, most likely in the sinistral sense. Low-angle normal faults that are at least older than Oligocene, and may pre-date Late Cretaceous time are also present in the region. These faults are shown to locally displace blocks of pre-Tertiary rock by several kilometers. However, none of these structures can be traced for significant distances beyond its outcrop extent, and the inference is made that they do not exert regional influence on the distribution of pre-Tertiary rocks. The extensional strain accommodated by these low-angle normal faults appears to be local and highly irregular. 1 plate.

Book Nevada Test Site Environmental Report 2003 October 2004

Download or read book Nevada Test Site Environmental Report 2003 October 2004 written by and published by . This book was released on 2005 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book The Geology and Climatology of Yucca Mountain and Vicinity Southern Nevada and California

Download or read book The Geology and Climatology of Yucca Mountain and Vicinity Southern Nevada and California written by John S. Stuckless and published by Geological Society of America. This book was released on 2007-01-01 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book U S Geological Survey Professional Paper

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Structural Relationships of Pre Tertiary Rocks in the Nevada Test Site Region Southern Nevada

Download or read book Structural Relationships of Pre Tertiary Rocks in the Nevada Test Site Region Southern Nevada written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the evidence for a revised interpretation of major structural features in the pre-Tertiary rocks of the region including and surrounding the Nevada Test Site. The thick miogeoclinal section of Late Proterozoic through Lower Permian sedimentary strata records major foreland-vergent thrust faulting, younger hinterland-vergent folding and thrusting, and local extension on low-angle normal faults. In addition, structural discontinuities in the northeastern part of the Nevada Test Site strongly suggest a broad, north-trending zone of sinistral strike-slip faulting that may have had a cumulative offset of many kilometers.

Book Distribution of Carbonate rock Aquifers and the Potential for Their Development Southern Nevada and and Adjacent Parts of California Arizona and Utah

Download or read book Distribution of Carbonate rock Aquifers and the Potential for Their Development Southern Nevada and and Adjacent Parts of California Arizona and Utah written by and published by . This book was released on 1995 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Outline of Some Structural Features in Northeastern Nevada

Download or read book Outline of Some Structural Features in Northeastern Nevada written by Peter Misch and published by . This book was released on 1951 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book U S Geological Survey Bulletin

Download or read book U S Geological Survey Bulletin written by and published by . This book was released on 1983 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: