Professional Paper, Issue 111Department of the Interior, U. S. Geological Survey, 1920 - Geology |
Common terms and phrases
abundant adjacent Alta alteration alunite American Fork areas Beaver beds Bingham district Cambrian Canyon carbonate Carboniferous cent chalcopyrite Cliff Clifton district Colorado contain copper deposits Cottonwood district County Creek dikes east erosion fault feet figs fissures formation formed fossils galena geology granite Henry Mountains Horn Silver igneous rocks important intrusive bodies intrusive rocks iron Jour laccoliths lead limestone Little Cottonwood magma metals mining district occurs Ophir ounces overthrust oxidized Park City Park City district pegmatite Plateau region pounds pre-Cambrian present probably production pyrite quartz monzonite quartzite replacement Rept Salt Lake San Francisco district San Rafael Swell sandstone sedimentary rocks sediments sericite shale siliceous small amounts solutions stocks strata structure sulphate sulphide sulphur surface Survey Bull Survey Prof Tertiary Tintic Tintic district tion Triassic trict tunnel Tushar Range U. S. Geol Uinta Mountains uplift Utah Valley veins Wasatch Range western zinc zone