The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 307
o 150 feet wide. The ore isboth hematite and magnetite. The hanging wall is a dolomite, Ijoundedon the north by granitic rocks. The foot wall is a body of syenite,about 150 feet wide, which forms the hanging wall of the Dick Turpinvein, containing very pure magnetite ore. In the same vicinity is… … ILL. No. l2.t. IROX VEIN, SAX LUIS OBISPO COUXTY. Kingston Mountain and Resting- Springs are also reported to containmagnetic iron ore. (See J. H. Crosman, IXth Report of the CaliforniaState Mining Bureau, pp. 285 and 236; also Xlth ibid., p. 349.) SAN DIEGO COUNTY. A little north of the Gold King…
Building stones · Portland cement · Clay · Mines and mineral resources
Internet Archive · Prelinger Library · Public Domain Mark 1.0. Free to use for anything.
