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The structural and industrial materials of California (1906)

Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 278

An illustration from The structural and industrial materials of California, 1906, leaf 278
near Sims. Abelt of chromite of very good quality has been opened up over a lengthof about 1000 feet. The country rock is serpentine. The ore is lustrousblack, carries high in chromic oxide and relatively low in iron oxide.Seams of a talcose serpentine cut through the ore bodies. At the sur-face… … CHROMITE —SHASTA, SIERRA. 271 developed, the chromite occurs in lenses, connected by narrow seams^with dips reversing occasionally within a few feet. All the presentworkings are very near the surface. The chromite is shipped as far as Arizona, Colorado, and Montana,and is used for furnace bottoms…

Building stones · Portland cement · Clay · Mines and mineral resources

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