The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 339
ered and faulted serpentine. At the lower deposits the magnesite 332 STRUCTURAL AND INDUSTRIAL MATERIALS OF CALIFORNIA. veins range from 1 to 18 inches in widtli, and cut tlirough the light-green serpentine rocks at varying angles. The lower cuts are eachabout 30 feet long, and one is followed by a… … ILL. No. 1«. CREOX MAGNESITE MINE, THREE MILES X. E. OFCLOVERDALK, SONOMA COFNTY. Cummings Deposit; Pat Cummings, owner; operated by the 8otoyomeMagnesite Company of Healdsburg, Tom Merchant, manager. In h^ec.23, T. 11 N., R. 11 W. The rock is a very pure-white, compact magne-site. and outcrops at…
Building stones · Portland cement · Clay · Mines and mineral resources
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