The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 278
ear Sims. Abelt of chromite of very good quality has been opened up over a lengthof about 1000 feet. Tiie country rock is serpentine. The ore is lustrousblack, carries higli 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 chroniite occurs in lenses, connected by narrow seams,with dips reversing occasionally within a fcAV 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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