 | | Report (issue) | | .................................. Sedimentary Gypsum Deposits ........................................potential. Early to Middle Jurassic sedimentary gypsum deposits represent the oldest economic concentration...Bureau of Mines and Geology (NBMG) have conducted county mineral surveys (Sampson and Tucker, 1940; Ross...materials (Garside, 1973), barite (Papke, 1984) and gypsum (Papke, 1987), all of which include mineral deposits...sedimentary rocks and evaporites (for example, gypsum at the Adams, Ludwig, and Regan mines), which suggests |  | | Report (volume) | | probably a pyroxene. Fracture fillings of clear gypsum and large spangles of black, specular hematite...Boyertown mines (pi. 18), the Fegley Mine, and two unnamed shafts about one mile southeast of Bechtelsville...of the two unnamed shafts were taken by Spencer from the topographic map of Berks County, issued by the...either of these places. The location of one of the unnamed shafts apparently corresponds with the magnetic...anomaly 1 on plate 17. The location of the other unnamed shaft does not correspond with any magnetic feature |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...and Calcite Almandine-Spessartine Annabergite Gypsum Quartz, Petersen Mountain Heterogenite Quartz...Humboldt County and the crystalline quartz collecting area on Petersen Mountain in Washoe County, permission |  | | Report (volume) | | potential for resources of the evaporite minerals gypsum or anhydrite and halite, uranium in intermontane...geochemistry, or leasing activity. These include gypsum or anydrite and halite resources in evaporite deposits...Interstate Highway 8 into Vekol Valley and into the unnamed valley along the north boundary of the study area...sampled: the IC and Silver King claims and an unnamed shaft in the southeastern part of the study area (fig...the Oracle Granite is exposed in an 18-ft-deep shaft in the southeast comer of the study area (fig. |  | | Report (issue) | | RESOURCES OF KERN COUNTY CALIFORNIA CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 1 i y 1966... Front cover: The exceedingly varied terrain of Kern County is shown by the brown section— from McKittrick...Sierra Nevada and Owens Peak (highest point in the county); on the east (right side) is the sharp descent...Rhodes. MINES AND MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist...geologist California Division of Mines and Geology County Report f Ferry Building, San Francisco 1962 | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hurnbo ldt County and the crystalline quartz collecting area on Petersen Mounta in in Washoe County, permission... clay minerals, diatomite, dolomite, fluorite, gypsum, halite, limestone, lithium, magnesium minerals |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...were found. A polished azurite from the Junction shaft in Bisbeeis featured on the U.S. mineral stamp issued...issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered. |  | | Book (volume) | | 175 - fm . Level east of New 321 Cooks Kitchen Shaft Fig. 19.-- South Crofty Mine ; Main Lode at 290-fm...New FIG . 30.-Section through Penhalls Engine Shaft at 50 -fm . Level 322 323 324 324 328 342 348 365...Polberro and West Kitty mines .. 468 Cooks Kitchen Shaft Fig. 20.-South Crofty Mine ; No. 3 Lode, 290 -fm...the two engine houses, which are at Crowns Engine Shaft. (A.8077) .. 75 B .--BOTALLACK MINE. A picture...picture taken when workings at Crowns Engine Shaft were active, possibly about 1870. The engine houses on the |  | | Book (volume) | | Lode at 175-fm. Level east of New Cooks Kitchen Shaft . . 321 Fro. 19.-South Crofty Mine; Main Lode at...at 290-fm. Level west of New Cooks Kitchen Shaft . . 322 JG . 20.-South Crofty Mine; No. 3 Lode, 290-fm...Mine 463 FIG. 30.-Section through Penballs Engine Shaft at 50-fm. Level 464 Fro. 31.- Transverse section...Engine Shaft. (A.8077) . . B.- BOTALLACK MINE. A picture taken when workings at Crowns Engine Shaft were...came Shaft, at the landward end of the workings. In the middle distance, left, is Wethered Shaft, where |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Morehead Riverside, CA Donald R. Peacor University of Michigan Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of...Robinson Seaman Mineral Museum, MTU Houghton, Michigan Abraham Rosenzweig Tampa, FL Correspondents Miguel...mineral localities: The Castle D om e district, Yuma County, A r iz o n a ................... 437 by A. M...southwestern Arizona, in the northwestern part of Yuma County. It is a relatively easy drive north out of Yuma |  | | Report (issue) | | OF DRILL HOLES,SILVER REEF DISTRICT, WASHINGTON COUNTY, UTAH. __oec.u T. 4IS..R.I4W. UNITED STATES DEPARTMENT...o 0 ... o o «... 36 Previous workings (Doyle shaft) p O o»oo 0 .ooooooo Production record 0 ooooooooo»o...1 through 13, Silver Reef district, Washington County, Utah 0 000000 o 000 o 00000 19 3» Analyses from...Uranium Mine, Silver Reef district, Washington County, Utah0 «<,<>, O o e o 0 *.<> 00-* 24. 4.0 Analyses...uranium prospect. Silver Reef district, Washington County, Utah 0 0000000000 o 29 6 0 Analyses from Vanderbilt |  | Theodore, Ted G., Blair, Will N., Nash, J. Thomas, McKee, E.H., Antweiler, J.C., Campbell, W.L. (1987) Geology and gold mineralization of the Gold Basin-Lost Basin mining districts, Mohave County, Arizona, with a section on K-Ar chronology of mineralization and igneous activity, and a section on implications of the compositions of lode and placer gold. Professional Paper 1361. US Geological Survey doi:10.3133/pp1361 | Report (issue) | | Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...GOLD BASIN-LOST BASIN MINING DISTRICTS, MOHAVE COUNTY, ARIZONA Placer gold nugget about 1 cm wide showing...Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona By TED G. THEODORE, WILL N. BLAIR, and...Gold Basin-Lost Basin mining districts, Mohave County, Arizona. (U.S. Geological Survey Professional...16:1361 1. Geology Arizona Mohave County. 2. Gold ores Arizona Mohave County. I. Blair, Will N. II. Nash, |  | | Book (volume) | | Lode at 175-fm. Level east of New Cooks Kitchen Shaft ........................................... 321...Lode at 290-fm. Level west of New Cooks Kitchen Shaft . . . . . . . . . . . . . . . . . . . . . . . .... 463 F10. 30.-Section through Pen.halls Engine Shaft al 50-fm. Level ................. 464 F,o. 31.-Transverse...the two engine houses, which are at Crowns Engine Shaft. (A.8077). . . . . . . . . . . . . . . . . . . ... A picture taken when workingsat Crowns Engine Shaft were active, possibly about 1870.The engine houses |  | | Book (edition) | | Elephant fault, the Gonzales Pass fault, and several unnamed faults. All of these shears are north- dipping...by Tyson. It was a 1.8 meter (6 foot) diameter shaft well about 6 meters (20 feet) deep and lined with...mining scam of a supposed coal discovery in Yuma County. On December 15" , 1864, he was appointed by Governor...Governor Goodwin as the first treasurer of Yuma County. In about 1866, Tyson became involved with building...the local chamber of commerce. In 1879 the Yuma County Book of Deeds records that Tyson’s Well Station |  | | Report (issue) | | Tapiado, Anza-Borrego Desert State Park, San Diego County, California [M.S. thesis]: Los Angeles, University...1981, A Geomorphological Swanson, M. L., 1983, County, California model of piping in soils: Transactions...extension by subsurface erosion; Coastal San Mateo County, California: Geomorphology, v. 2, p. 393-404. Tanaka...1967; Tucker, 1978). It consists of crystalline gypsum preserved in layers a few meters thick. Weathering...others, 1988). Thus, the (Fig. 4). Calcrete and gypsum are less tough but, nevertheless, they commonly |  | | Book (volume) | | atic coverage of the mines in the south of the county; a second volume will deal with the mines of North...David & Charles Inc North Pomfret Vermont 05053 USA Published in Canada by Douglas David & Charles Limited...the West of England Mining Region (1912) CRO County Record Office Dines Dines, H. G. The Metalliferous...development Devon played only a minor role, the county possessing no tin lodes comparable in size and...Bere Alston peninsula in the south-west of the county. Operations are known to have been started here |
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