Southeast-looking photograph of the Pacific Coast, with the Pt. Bonita lighthouse in the background. The rocks in the foreground consist of diabase and basalt.
U.S. Department of the Interior - U.S. Geological Survey - Geology Discipline Privacy statement -- General disclaimer -- Accessibility This page is <http://3dparks.wr.usgs.gov/goldengate/> Maintained by Webmaster, Menlo Park, CA Last modified Mon 3/18/2003