Physics
Scientific paper
Jul 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3115s13c&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 15, CiteID L15S13
Physics
9
Tectonophysics: Continental Tectonics-General (0905), Tectonophysics: Dynamics, Seismotectonics, Tectonophysics: Dynamics Of Lithosphere And Mantle-General, Tectonophysics: Rheology-Crust And Lithosphere, Tectonophysics: Stresses-Crust And Lithosphere
Scientific paper
Stress measurements made in the SAFOD pilot hole provide an opportunity to study the relation between crustal stress outside the fault zone and the stress state within it using an integrated mechanical model of a transform fault loaded in transpression. The results of this modeling indicate that only a fault model in which the effective friction is very low (<0.1) through the seismogenic thickness of the crust is capable of matching stress measurements made in both the far field and in the SAFOD pilot hole. The stress rotation measured with depth in the SAFOD pilot hole (~28°) appears to be a typical feature of a weak fault embedded in a strong crust and a weak upper mantle with laterally variable heat flow, although our best model predicts less rotation (15°) than observed. Stress magnitudes predicted by our model within the fault zone indicate low shear stress on planes parallel to the fault but a very anomalous mean stress, approximately twice the lithostatic stress.
Chéry Jean
Hickman Stephen
Zoback Mark D.
No associations
LandOfFree
A mechanical model of the San Andreas fault and SAFOD Pilot Hole stress measurements does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with A mechanical model of the San Andreas fault and SAFOD Pilot Hole stress measurements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A mechanical model of the San Andreas fault and SAFOD Pilot Hole stress measurements will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1010904