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Official State Rocks and State Stones of the United States
, is the state rock of California. It is ancient oceanic mantle rock altered during seafloor spreading and subduction.
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Photo (c) 2007 Andrew Alden, licensed to About.com (
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Official State Rocks of the United States
Campground Review - Black Rock Campground, Joshua Tree NP, California
Sonoma Coast - Family Guide to Northern California and Lake Tahoe
Alcatraz Island - Family Guide to Northern California and Lake Tahoe
CSU Stanislaus Admissions: SAT Scores, Financial Aid & More
Campground Review - Patrick's Point State Park, Trinidad, California
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