The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 64
ion of it in Bulletin No. 17, \ol. Ill, Department ofGeology, rniversity of California. See also Bulletin No. ?>7, Gems,Jewelers Materials, and Ornamental Stones, State Mining Bureau.W. H. Kessler and W. R. Hamilton, (»f Stanford University, made a studyof this rock and published an excellent… … ILL No. 22, BOULUER OF ORBICULAR GABKRO. of the orbicular gabbro shown in this Bulletin. Free use of boll- ofthe above papers has been made in the following pages. The gabbro occurs apparently as an intrusive boss in the midst of 58 STRUCTLKAl, AND INDUSTRIAL MATERLVLS OP CALIFORNIA. the granites.…
Building stones · Portland cement · Clay · Mines and mineral resources
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