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Regional Slip Tendency Analysis of the Great Basin Region

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Slip and dilation tendency on the Great Basin fault surfaces (from the USGS Quaternary Fault Database) were calculated using 3DStress (software produced by Southwest Research Institute).

Slip and dilation tendency are both unitless ratios of the resolved stresses applied to the fault plane by the measured ambient stress field.
- Values range from a maximum of 1 (a fault plane ideally oriented to slip or dilate under ambient stress conditions) to zero (a fault plane with no potential to slip or dilate).
- Slip and dilation tendency values were calculated for each fault in the Great Basin. As dip is unknown for many faults in the USGS Quaternary Fault Database, we made these calculations using the dip for each fault that would yield the maximum slip or dilation tendency. As such, these results should be viewed as maximum slip and dilation tendency.
- The resulting along-fault and fault-to-fault variation in slip or dilation potential is a proxy for along-fault and fault-to-fault variation in fluid flow conduit potential.

Stress Magnitudes and directions were calculated across the entire Great Basin. Stress field variation within each focus area was approximated based on regional published data and the world stress database (Hickman et al., 2000; Hickman et al., 1998 Robertson-Tait et al., 2004; Hickman and Davatzes, 2010; Davatzes and Hickman, 2006; Blake and Davatzes 2011; Blake and Davatzes, 2012; Moeck et al., 2010; Moos and Ronne, 2010 and Reinecker et al., 2005).

The minimum horizontal stress direction (Shmin) was contoured, and spatial bins with common Shmin directions were calculated. Based on this technique, we subdivided the Great Basin into nine regions (Shmin

Citation Formats

University of Nevada. (2013). Regional Slip Tendency Analysis of the Great Basin Region [data set]. Retrieved from https://dx.doi.org/10.15121/1148724.
Export Citation to RIS
E., James. Regional Slip Tendency Analysis of the Great Basin Region. United States: N.p., 30 Sep, 2013. Web. doi: 10.15121/1148724.
E., James. Regional Slip Tendency Analysis of the Great Basin Region. United States. https://dx.doi.org/10.15121/1148724
E., James. 2013. "Regional Slip Tendency Analysis of the Great Basin Region". United States. https://dx.doi.org/10.15121/1148724. https://gdr.openei.org/submissions/353.
@div{oedi_3195, title = {Regional Slip Tendency Analysis of the Great Basin Region}, author = {E., James.}, abstractNote = {Slip and dilation tendency on the Great Basin fault surfaces (from the USGS Quaternary Fault Database) were calculated using 3DStress (software produced by Southwest Research Institute).

Slip and dilation tendency are both unitless ratios of the resolved stresses applied to the fault plane by the measured ambient stress field.
- Values range from a maximum of 1 (a fault plane ideally oriented to slip or dilate under ambient stress conditions) to zero (a fault plane with no potential to slip or dilate).
- Slip and dilation tendency values were calculated for each fault in the Great Basin. As dip is unknown for many faults in the USGS Quaternary Fault Database, we made these calculations using the dip for each fault that would yield the maximum slip or dilation tendency. As such, these results should be viewed as maximum slip and dilation tendency.
- The resulting along-fault and fault-to-fault variation in slip or dilation potential is a proxy for along-fault and fault-to-fault variation in fluid flow conduit potential.

Stress Magnitudes and directions were calculated across the entire Great Basin. Stress field variation within each focus area was approximated based on regional published data and the world stress database (Hickman et al., 2000; Hickman et al., 1998 Robertson-Tait et al., 2004; Hickman and Davatzes, 2010; Davatzes and Hickman, 2006; Blake and Davatzes 2011; Blake and Davatzes, 2012; Moeck et al., 2010; Moos and Ronne, 2010 and Reinecker et al., 2005).

The minimum horizontal stress direction (Shmin) was contoured, and spatial bins with common Shmin directions were calculated. Based on this technique, we subdivided the Great Basin into nine regions (Shmin }, doi = {10.15121/1148724}, url = {https://gdr.openei.org/submissions/353}, journal = {}, number = , volume = , place = {United States}, year = {2013}, month = {09}}
https://dx.doi.org/10.15121/1148724

Details

Data from Sep 30, 2013

Last updated Aug 24, 2021

Submitted Mar 19, 2014

Organization

University of Nevada

Contact

James E. Faulds

775.682.8751

Authors

James E.

University of Nevada

Research Areas

DOE Project Details

Project Name Recovery Act: Characterizing Structural Controls of EGS-Candidate and Conventional Geothermal Reservoirs in the Great Basin: Developing Successful Exploration Strategies in Extended Terranes

Project Lead Mark Ziegenbein

Project Number EE0002748

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