County Park
Map Satellite Vasquez Rocks are a series of hogback ridges formed by the differential erosion of reddish arkosic sandstone and conglomerate of the Oligocene Vasquez Formation. This formation is composed primarily of nonmarine coarse sand and gravel deposits, with some interbedded siltstones and breccias and, in the lower part of the formation, volcanic rocks. Chaparral, with Arctostaphylos sp., Ceanothus sp., chamise, Adenostoma fasciculaturn, and Yucca whipplei, etc., covers most of the area. There is some juniper woodland with California juniper, Juniperus californica, Mormon tea, Ephedra nevadensis, and big sage, Artemisia tridentata. Along the intermittent creek beds is a riparian association dominated by sycamore, Platanus racemosa, and willows, Salix sp. Animal life is typical. Integrity: Aside from the various park facilities and trails, most of the area is virtually undisturbed. Use: Research, educational, observational, present. December 1979
Inventory of California Natural Areas
Revision © 2008 Steven Louis Hartman
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