Black Diamond Mines Rocks - Antioch, CA
Posted by: Groundspeak Premium Member saopaulo1
N 37° 57.307 W 121° 51.933
10S E 599663 N 4201441
Some rocks on display at the visitors center at Black Diamond Mines.
Waymark Code: WMKZNA
Location: California, United States
Date Posted: 06/22/2014
Published By:Groundspeak Regular Member lenron
Views: 1

The rocks are silica sandstone and cullet.
Type of Display: Geological

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