Laserfiche WebLink
<br /> <br />. <br /> <br />. <br /> <br />"Geology of the Ord Mine, Mazatzal. Mountains quicksilver <br />district, Arizona", by J, N, Faick, Bulletin 1042~R. This <br />mine has yielded about 2,100 flasks of quicksilver from <br />cinnabar, which is disseminated in bleached and altered <br />phyllite or occurs in narrow discontinuous quartz-siderite <br />veins in rocks of Precambrian age, <br /> <br />"Geologic reconnaissance of San Clemente Island, California" , <br />by F, H, Olmsted, Bulletinl07l-B, This report describes <br />the geologic phases of a study of San Clemente Island, made <br />for the U. S. Navy to determine water-supply possibilities. <br /> <br />"Reeonnaissance for radioactivity in the metal-mining <br />districts of the.San Juan Mountains, Colorado", by <br />C. T, Pierson, W, F,Weeks, and F. J, Kleinhampl, <br />Bulletin 1046-0. Locations given of anomalous radio- <br />activity in 15 districts,. One commercial uranium <br />deposit is known in the San Juan Mountains and other <br />places are listed where there seems a good possibility <br />of finding additional deposits. <br /> <br />"Core logs from Bristol, Cadiz, and Danby Dry Lakes, <br />San Bernardino County, California", by A. M, Bassett, <br />D, H, Kupfer, and F. C. Barstow, Bulletin 1045-D. <br />Detailed logs and brief lithologic summaries are given <br />of four cores from the sQutheastern Mojave Desert, <br /> <br />"Uranium deposits in the Dripping Spring quartzite, <br />Gila County, Arizona", by H, C, Granger and R. p, Raup, <br />Bulletin 1046-P. Uraninite aOO secondary uranium. <br />minerals occur in veinlike deposits in feldspar-rich <br />siltstone locally recrystallized to hornfels adjacent <br />to discordant diabase bOdies. <br /> <br />"Geology of the San Francisco North quadrangle, Calif- <br />ornia", by J, SCholocker, M. G, Bonilla, and D. H. <br />Radbruch, Miscellaneous Investigations 272, ~ geologic <br />map with a summary of the engineering properties of the <br />map units. <br /> <br />"Geologic map of the eastern Puente Hills, Los ~ngeles <br />Basin, California", by D, L. Durham and R, F. Yerkes, <br />Oil and Gas Investigations 195, An area of about 130 <br />square miles including all or parts of six oil producing <br />areas. Surface structural features are shown, wildcat <br />wells are listed, and a brief text discusses revised <br />stratigraphic names, <br /> <br />"Preliminary map of landslides in the Pacific Palisades <br />area, city of Los Angeles, California", by J, T. McGill, <br />Miscellaneous Investigations 2$4, Active landslides <br />(movement since 1951),historic, and prehistoric land- <br /> <br />-4- <br />