Photomosaics and logs of trenches on the San Andreas Fault at Mill Canyon near Watsonville, California
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Abstract
We present photomosaics and logs of the walls of trenches excavated for a paleoseismic study at Mill Canyon, one of two sites along the San Andreas fault in the Santa Cruz Mtns. on the Kelley-Thompson Ranch. This site was a part of Rancho Salsipuedes beginning in 1834. It was purchased by the present owner’s family in 1851. Remnants of a cabin/mill operations still exist up the canyon dating from 1908 when the area was logged. At this location, faulting has moved a shutter ridge across the mouth of Mill Canyon ponding Holocene sediment. Recent faulting is confined to a narrow zone near the break in slope.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Photomosaics and logs of trenches on the San Andreas Fault at Mill Canyon near Watsonville, California |
Series title | Open-File Report |
Series number | 2003-469 |
DOI | 10.3133/ofr03469 |
Year Published | 2004 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center |
Description | 1 Plate: 67.65 x 35.18 inches |
Country | United States |
State | California |
City | Watsonville |
Other Geospatial | Mill Canyon, San Andreas Fault |
Google Analytic Metrics | Metrics page |