Ground Stone Artifacts | The Office of the State …
A wide range of prehistoric artifacts were formed by pecking, grinding, or polishing one stone with another. Ground stone tools are usually made of basalt, rhyolite, granite, or other macrocrystalline igneous or metamorphic rocks, whose coarse structure makes them ideal for grinding other materials, including plants and other stones.
Driving Directions to Indian Grinding Rock SHP The park is northeast of Stockton in the lower foothills of the Sierra Nevada mountains. Take State Highway 88 East through Jackson to the town of Pine Grove. Take a left turn on the Pine-Grove-Volcano
Indian stone tools Indian artifacts, how to identify ancient stone tools, axes pecking and grinding Find this Pin and more on rocks by Paul Bartley. Stone artifacts found on the American Continent used by the Ancient inhabitants of the Americas including the American Indian.