Calera-type Limestone with Chert

Title

Alternative Title

Limestone with Chert

Identifier

FR-8

Description

Groundmass dominated by grey calcite and dolomite. Calcite and dolomite crystals are subhedral in thin section and hand sample.. (FOV: 1.28)

Date

Not given

Contributor

Western Minerals, Inc.

Is Part Of

Stratigraphic Suite- Franciscan Rocks, California

Spatial Coverage

Permanent Cement Co. quarry, near Cupertino. Take I 280 south from San Francisco to Foothill Expressway, then west to Stevens Creek Road, then right on Stevens
Creek Road to end.

Temporal Coverage

Mesozoic

Accrual Method

Purchased from Western Minerals, Inc.