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|a E 1.99:899339
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|a E 1.99:899339
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|a Geology of the Yucca Mountain Region, Chapter in Stuckless, J.S., ED., Yucca Mountain, Nevada - A Proposed Geologic Repository for High-Level Radioactive Waste
|h [electronic resource]
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|a Washington, D.C :
|b United States. Dept. of Energy ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
|c 2006.
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|a text
|b txt
|2 rdacontent.
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|2 rdamedia.
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|a online resource
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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|a 09/25/2006.
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|a "MOL.20061212.0063, DC# 49002"
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|a FT.
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|a J.S. Stuckless; D. O'Leary.
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|a Yucca Mountain has been proposed as the site for the Nation's first geologic repository for high-level radioactive waste. This chapter provides the geologic framework for the Yucca Mountain region. The regional geologic units range in age from late Precambrian through Holocene, and these are described briefly. Yucca Mountain is composed dominantly of pyroclastic units that range in age from 11.4 to 15.2 Ma. The proposed repository would be constructed within the Topopah Spring Tuff, which is the lower of two major zoned and welded ash-flow tuffs within the Paintbrush Group. The two welded tuffs are separated by the partly to nonwelded Pah Canyon Tuff and Yucca Mountain Tuff, which together figure prominently in the hydrology of the unsaturated zone. The Quaternary deposits are primarily alluvial sediments with minor basaltic cinder cones and flows. Both have been studied extensively because of their importance in predicting the long-term performance of the proposed repository. Basaltic volcanism began about 10 Ma and continued as recently as about 80 ka with the eruption of cones and flows at Lathrop Wells, approximately 10 km south-southwest of Yucca Mountain. Geologic structure in the Yucca Mountain region is complex. During the latest Paleozoic and Mesozoic, strong compressional forces caused tight folding and thrust faulting. The present regional setting is one of extension, and normal faulting has been active from the Miocene through to the present. There are three major local tectonic domains: (1) Basin and Range, (2) Walker Lane, and (3) Inyo-Mono. Each domain has an effect on the stability of Yucca Mountain.
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|a Nevada.
|2 local.
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|a Geology.
|2 local.
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|a Tuff.
|2 local.
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|a Hydrology.
|2 local.
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|a Performance.
|2 local.
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|a Sediments.
|2 local.
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|a Cones.
|2 local.
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|a High-level Radioactive Wastes.
|2 local.
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|a Geologic Structures.
|2 local.
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|a Tectonics.
|2 local.
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|a Volcanism.
|2 local.
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|a Stability.
|2 local.
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|a Yucca Mountain.
|2 local.
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|a Management Of Radioactive Wastes, And Non-radioactive Wastes From Nuclear Facilities.
|2 edbsc.
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| 710 |
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|a United States.
|b Department of Energy.
|b Yucca Mountain Project Office.
|4 res.
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|4 spn.
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| 710 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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|u http://www.osti.gov/servlets/purl/899339-xaX2G1/
|z Online Access
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| 907 |
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|a .b70377121
|b 03-06-23
|c 04-01-12
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| 998 |
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|b 04-01-12
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|e E 1.99:899339
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