| Abstract: | Textural examination of fault gouge deformed in triaxial friction experiments has revealed differences in the orientations of secondary shear sets between the stably sliding and stick-slip samples. In order to determine whether such differences can be identified in natural faults, maps of recently active breaks along the San Andreas fault were examined to compare the types and orientations of secondary structures mapped in the creeping and locked sections. The fault zone was divided into 52 geometrically defined segments of uniform strike, which were then grouped into 7 sections: 4 straight and two curved sections, and Cholame Valley. Many of the gross geometric characteristics of the individual segments, such as length, width, and stepover size, reflect their position in either a straight or a curved section. In contrast, with respect to the orientations of the recent breaks within the segments, the single creeping section differs from all of the locked sections, both straight and curved. -from Authors |
| Genre: | Article |
| ProdID: | 70016569 |
| Citation Author: | Moore, D. E.; Byerlee, J. D. |
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| Citation End Page: | 774 |
| Citation Issue: | 6 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geological Society of America Bulletin |
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| Citation Number Of Pages: | 13 |
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| Citation Search Results Text: | Comparative geometry of the San Andreas Fault, California, and laboratory fault zones; 1991; Article; Journal; Geological Society of America Bulletin; Moore, D. E.; Byerlee, J. D. |
| Citation Start Page: | 762 |
| Citation Volume: | 103 |
| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | Comparative geometry of the San Andreas Fault, California, and laboratory fault zones; 1991; Article; Journal; Geological Society of America Bulletin; Moore, D. E.; Byerlee, J. D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1991 00:00 -0600 |
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