Controls on timing and amount of right-lateral offset on the East Bay fault system, San Francisco Bay region, California
Geological Society of America Bulletin
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Abstract
The distribution of offset, correlated rock units, relative position of northward- younging volcanic rocks, and distribution of units not offset together reveal the history of strike-slip deformation along the East Bay fault system. The system accumulated 175 km of right-lateral offset since 12 Ma, but of this amount, only ???25 km was accumulated between 12 and 10 Ma and only ???75 km between 12 and 6 Ma. The westernmost Hayward fault zone is responsible for more than half (100 km) of the total, and it, too, has undergone more offset (60 km) after 6 Ma than before. The activity on any single fault zone in the system has been sporadic, and alternating periods of activity and inactivity have been recorded on at least some of the fault zones.
Suggested Citation
Graymer, R., Sarna-Wojcicki, A., Walker, J., McLaughlin, R.J., and Fleck, R., 2002, Controls on timing and amount of right-lateral offset on the East Bay fault system, San Francisco Bay region, California: Geological Society of America Bulletin, v. 114, no. 12, p. 1471-1479, https://doi.org/10.1130/0016-7606(2002)114<1471:COTAAO>2.0.CO;2.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Controls on timing and amount of right-lateral offset on the East Bay fault system, San Francisco Bay region, California |
| Series title | Geological Society of America Bulletin |
| DOI | 10.1130/0016-7606(2002)114<1471:COTAAO>2.0.CO;2 |
| Volume | 114 |
| Issue | 12 |
| Year Published | 2002 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geological Society of America Bulletin |
| First page | 1471 |
| Last page | 1479 |