Arid
DOI10.2172/1358216
Report Number45--275
Source IDOSTI_ID: 1358216
Investigating the Influence of Regional Stress on Fault and Fracture Permeability at Pahute Mesa, Nevada National Security Site
Reeves, Donald M. [Desert Research Inst. (DRI), Reno, NV (United States)]; Smith, Kenneth D. [Univ. of Nevada, Reno, NV (United States)]; Parashar, Rishi [Desert Research Inst. (DRI), Reno, NV (United States)]; Collins, Cheryl [Desert Research Inst. (DRI), Las Vegas, NV (United States)]; Heintz, Kevin M. [Desert Research Inst. (DRI), Las Vegas, NV (United States)]
Abstract in EnglishRegional stress may exert considerable control on the permeability and hydraulic function (i.e., barrier to and/or conduit for fluid flow) of faults and fractures at Pahute Mesa, Nevada National Security Site (NNSS). In-situ measurements of the stress field are sparse in this area, and short period earthquake focal mechanisms are used to delineate principal horizontal stress orientations. Stress field inversion solutions to earthquake focal mechanisms indicate that Pahute Mesa is located within a transtensional faulting regime, represented by oblique slip on steeply dipping normal fault structures, with maximum horizontal stress ranging from N29掳E to N63掳E and average of N42掳E. Average horizontal stress directions are in general agreement with large diameter borehole breakouts from Pahute Mesa analyzed in this study and with stress measurements from other locations on the NNSS.
Year Published2017
SubtypeTechnical Report
Language英语
Country美国
Subject of Source54 ENVIRONMENTAL SCIENCES ; 58 GEOSCIENCES
URLhttp://www.osti.gov/scitech/servlets/purl/1358216
Document Type科技报告
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/271462
Recommended Citation
GB/T 7714
Reeves, Donald M. [Desert Research Inst. ,Smith, Kenneth D. [Univ. of Nevada, Reno, NV ,Parashar, Rishi [Desert Research Inst. ,et al. Investigating the Influence of Regional Stress on Fault and Fracture Permeability at Pahute Mesa, Nevada National Security Site,2017.
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