 | | Report (issue) | | plains. They lie in the southern half of Chouteau County, Mont., between Milk and Missouri rivers, about...the development of slopes in every part of the- district. This intense erosion has cut down the igneous...report; to the prospectors and ranchers of the district, who have been uniformly courteous in facilitating...of very little importance, although some coarse gold lias been recovered by panning and crude sluice...were reported as having been picked up within the district were brought to Havre and Chinook, no vein of |  | | Report (volume) | | 1C402, 12201 Sunrise Valley Dr. • SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105, 125 South State St. •...solutions 13 Drainage basin analysis 19 Rex prospect 28 Mike prospect 29 Agripina Bay batholith 33 Pyritic...anomalies in the Ugashik-Karluk study area: the Rex prospect, the area of widespread pyrite and inferred...generalized geologic map (B): 17. Rex prospect 28 18. Mike prospect 30 Generalized geologic and geochemical...geochemical map of the Mike prospect 32 Drainage basin anomaly map (A) and generalized geologic map (B): 20 |  | | Report (issue) | | Data File UG001 Site name(s): Mike Site type: Prospect ARDFno.: UG001 Quadrangle: UGA-4 Latitude: 57...235 Location description and accuracy: The Mike prospect is located approximately 9 miles south of Mother...Commodities: Main: Mo Other: Cu, Pb, Zn Ore minerals: Chalcopyrite, galena, hematite, magnetite, molybdenite, pyrite...fluorite?, tourmaline? Geologic description: The Mike prospect is marked by a large color anomaly and by a large...values show a strong correlation. In 1977 Bear Creek Mining Company drilled 3 holes for a total of 258 feet |  | | Report (issue) | | 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105, 125 South State St. SAN...exploration for minerals occurred in 1915, when placer gold claims were established at Cape Kubugakli (fig....were reported to have produced about 160 ounces of gold (Smith, 1925). Nothing is known concerning more...more recent activity on these claims, but mining equipment was found when the site was visited in 1977. Copper...Copper ore containing minor amounts of gold and silver was reportedly found near the head of Puale Bay |  | | Report (volume) | | Kingston Range Wilderness Study Area, San Bernardino County, California U.S. GEOLOGICAL SURVEY BULLETIN 1709-D...Kingston Range Wilderness Study Area, San Bernardino County, California By JAMES P. CALZIA, JAMES G. FRISKEN...Kingston Range Wilderness Study Area, San Bernardino County, California. (Mineral resources of wilderness study...California Desert Conservation Area, San Bernardino County, California. CONTENTS Summary Dl Abstract 1...Acknowledgments 4 Appraisal of identified resources 4 Mining history and current activity 4 Mineral deposits |  | | Report (issue) | | cinnabar, galena, gold Gangue minerals: Geologic description: By 1912, placer gold was found in Troublesome...(Prindle and Katz, 1913, p. 146). Both prospecting and mining have been reported (Mertie, 1934, p. 192). A sample...magnetite, ilmenite, picotite, pyrite, cinnabar, gold, garnet, galena, zircon and cassiterite (Waters...Alteration: Age of mineralization: Deposit model: Placer gold deposit (Cox and Singer, 1986; model 39a). Deposit...LG001 Workings/exploration: Both prospecting and mining have been reported (Mertie, 1934, p. 192). Production |  | | Report (volume) | | barite Low-sulfide gold-quartz vein Placer gold Placer platinum-group elements and gold Placer titanium...accompanied by traces of platinum-group elements, gold, and silver Skarn related GEOCHEMICAL METHODS We...determined by atomic absorption spectrophotometry (gold, Thompson and others, 1968; arsenic, antimony, zinc...(1959). 2 55°46' 132°06' 55°39' Gold Standard (Helm Bay) Low-sulfide gold-quartz vein Probably produced...produced a few tens of thousands of grams of gold. 132°00' Gold Upper(?) Mesozoic metamorphosed flysch DESCRIPTION: |  | | Report (issue) | | Detra, and James M. Nishi _ Gold found in bedrock of Lost Chicken Creek gold placer mine, Fortymile area...Richard M. O'Leary Placers and placer mining, Circle District, by Warren E. 5 9 11 12 13 ~~ Pollen...Chicken Creek __ 33.-Photograph showing hydraulic mining on North Fork of Harrison Creek _ 34.-Map of the...styles of northern Yukon Territory and northwestern District of MacKenzie, Canada, in Pitcher, M. G., ed.,...by zoned spar dolomite. The outcrops on Pardners Hill support the deduction that a significant part of |
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