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Field-trip guide to the southeastern foothills of the Santa Cruz Mountains in Santa Clara County, California

Open-File Report 2002-121

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Abstract

This field trip is an introduction to the geology of the southeastern foothills of the Santa Cruz Mountains in southern Santa Clara County. Seven stops include four short hikes to access rock exposures and views of the foothills east of Loma Prieta Peak between Gilroy and San José. Field-trip destinations highlight the dominant rock types of the "Franciscan assemblage" including outcrops of serpentinite, basalt, limestone, ribbon chert, graywacke sandstone, and shale. General discussions include how the rocks formed, and how tectonism and stream erosion have changed the landscape through time. All field trip stops are on public land; most are near reservoir dams of the Santa Clara Valley Water District. In addition, stops include examination of an Ohlone Indian heritage site and the New Almaden Mining Museum.

Geospatial Extents

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Field-trip guide to the southeastern foothills of the Santa Cruz Mountains in Santa Clara County, California
Series title:
Open-File Report
Series number:
2002-121
Year Published:
2002
Language:
English
Publisher:
U.S. Geological Survey
Contributing office(s):
Geology, Minerals, Energy and Geophysics Science Center
Description:
29 p.
Number of Pages:
29
Country:
United States
State:
California
County:
Santa Clara County
Other Geospatial:
Santa Cruz Mountains