Temperance Flat is in northeastern Fresno County on the south side of Millerton Lake. It is 10 miles northeast of Friant and about 25 miles northeast of Fresno. The area was placer-mined in the early days. Lode mining began at the Sullivan mine in 1853 and continued intermittently until about 1915. The area was prospected again during the 1930s.
Geology and Ore Deposits
The chief rock types are coarse-grained granite and granodiorite with diorite inclusions. Portions of the area are capped by thick flat beds of basalt of Table Mountain. A number of north-trending quartz veins, in shear zones in granitic rock, contain free gold and often abundant pyrite. SmalI amounts of other sulfides are present. A few small high-grade pockets containing leaf gold have been found here.
Henrietta, Keno, Quien Sabe, Providence, Rattlesnake, San Joaquin, Sullivan $100,000, Temperance, White Mule.
Bradley, W. W., 1916, Fresno County, John L. mine: California Min. Bur. Rept. 14, p. 446.
Crawford, J. J., 1896, Inyo, Keno, and Temperance mines: California Min. Bur. Rept. 13, pp. 167-170.
Irelan, Wm., Jr., 1888, Temperance flat mining district: California Min. Bur. Rept. 8, pp. 214-215.
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