greenheron47

greenheron47

Posted on 05/04/2013


Photo taken on May  3, 2013



Keywords

California
mammoth rocks
blueschist
greenheron47
Olympus 45mm
Sonoma County
Mammoths
Sonoma Coast
CA
rubbing stone


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142082013RubbingRock.jpg

142082013RubbingRock.jpg
These rocks were used by Mammoth's and other large mammals, up until 10,000 to 11,000 years ago. The rock has been polished by these animals. see link: www.parks.ca.gov/?page_id=23566

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