 | | Report (issue) | | ORE DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915 DENVER,COLORADO.................................... 69 The Rawley mine......................................... 69 Location.................. . . . . . 69 Rock formations in mine and tunnel................... 74 Vein systems ....tunnel.......... . . . . . . . . . 86 The Antoro mine....... . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 89 The Cora mine. . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Mother Lode Gold Dis trict: mineralized outcrops and mine waste rock (overburden); mill tailings submerged...monomictic lake developing within a recent open-pit mine. These environments are characterized by distinct...Dewatering during excavation of the Harvard open-pit mine produced a hydrologic cone of depression that has...FIG. 1. Locations of gold mines in California; county boundaries are shown for reference (U.S. Geological...Tuolumne County is shaded. Insel shows locations of gold mines included in this study; Tuolumne County boundary |  | | Report (issue) | | COPPER-ZINC DEPOSITS OF THE PENN^ONE CALAVERAS COUNTY, CALIFORNIA By G. R. Heyl, M. W. Cox, and J. H... Paragenesis of epigenetic minerals at the penn mine,........... Table 3> Reserves of minings-grade ore... shafts, and raises, 11 ^ 4« Geologic map, Penn mine area. " * - 5- -Geologic map of the No. 2 shaft...iii COPPER-ZINC DEPOSITS OF THE PENN MINE, CALAVERAS COUNTY, CALIFORNIA By G. R. Heyl, M. W. Cox, and...J. H. Eric ABSTRACT . The Perm mine deposits in Calaveras County, Calif., are in slightly metamorphosed |  | | Report (issue) | | _________________________ _____ _ Georgia Slide mine ___________________________ :.. _______________...___________________________________ _ Guildford mine __________________________________________ ____...______________________________________________ _ Plymouth mine _______________________________________________...__________________ .___________________________ _ Fremont mine _______________________________________________...__________________ .________________ _ Treasure mine _______________________________________________ |  | | Report (issue) | | raised on the irrigated lands along Yellowstone River. ACKNOWLEDGMENTS. In presenting this report the...the examination of an area extending east from Shawmut toward the Bull Mountains. The few occurrences...along the east-west wagon road 1 mile north of the township line, and the extremities were designated by means...although the township plats show the lines perfectly straight. In certain particulars the township plats do...Lake Basin proper is occupied by a number of small lakes, and the lower portions of Comanche Basin bear unmistakable |  | | Book | | status of property. Rush A visit to Rush, in Marion County, reveals little of the area's thriving past. Rush...take-out area at Mr. Dirst's landing on the Buffalo River. Rush is a popular collecting spot for mineral collectors...collectors in Arkansas, Tennessee, and Missouri, Old mine dumps dot the mountainsides, and many of the mines...Buffalo Point recreation area of the Buffalo National River Park. From this intersection, go another 2.6 miles...the waste material dump from the Morning Star Mine. The mine itself is to the north on the side of the mountain |  | | Report (issue) | | Gulch____.._____-----Sosthenes Gulch and Antoro mine __..-.-_ Vicinity of Round Mountain ____________...and prospects.__________-_____-_--_-__-___-Rawley mine-----___-_-.-_-------------------Production____________...mme_________________-_____--_-__Underground workings and mine buildings._._ Geologic features._________________________...mineralizing solutions. ._.-. Rico mine....---- ------_--__----_------------Shawmut mine.--________-_-____--_______--___...___--___ Legal Tender mine--_________-__---___---_-.,__ Vienna mine._________________________________ |  | | Journal (issue) | | Menlo Park, CA Donald R. Peacor University of Michigan Ann Arbor, Ml George W. Robinson Natl. Museums...Nugget," collected in 1865 at the Grit mine, El Dorado County, California, by Jules Fricot and donated...cost ing the pricing systems and struc more than calcite specimens. But tures for other species is of no...Harper’s article. John Dysart, Manager of the Reed Gold Mine State Historic Site, sent much additional information...provided a review of gold occurrences in Tuolumne County, Peter Bancroft provides a report on a new specimen |  | | Field Trip Notes | | adapted from the 1991 guide are noted by (91). All mine production values are from the 1941 or 1991 guides...Mariposa and to terminate at Georgetown in Placer County. It forms a more or less continuous belt of quartz...terminus of Highway 49. Mariposa, the county seat of Mariposa County, is on the tourist route to Yosemite...Yosemite Valley, and its fine old County Courthouse, a white frame structure erected in 1854 has been in use...Museum, Mariposa County Fairgrounds, Mariposa COUNTY FAIR GROUNDS : Mariposa Mine A mile south of Mariposa |  | | Journal (article/letter/editorial) | | |McGrath-Little Falls terrane Moose Lake-Glen Township terranes •• Junnamed >,L argillite -•! ß tectoniccontact...anddisappearwell in the district.The so-called Emily-Shawmut Reserve beforeiron sedimentation (Fig. 7) containsat...x tr x - - - x x Quartz x x ...... Calcite Siderite x x - - x x - - - x - - x ...MinnesotaStateLegislatureand westof the Emily-Shawmut Reserve,andwe assume in part by the U.S. Bureauof...blethickness ofthethick-bedded, granular lithotope. Twin CitiesResearchCenter, havebeen particularly Althoughmuchsmallerin |  | | Report (issue) | | really obtained as a by-product; that from San Juan County slightly exceeded 1,500,000 pounds. The copper...from San Juan County. It may be said that Colorado does not contain a single copper mine of prominence...Emmons.* An occurrence of this kind in Fremont County will be described, for the reason that it seems...COUNTIES. TOPOGRAPHY. The larger part of Fremont County is occupied by the Front Range and the irregular...to the west of it. The southwestern part of the county contains the north end of the Sangre de Cristo |  | | Report (volume) | | vol. 12, pp. 95-222. Davenport, Iowa. . Delaware County Institute of Science: Proceedings, vol. 4, nos...t. 2, nos. 8-10, t. 3, nos. 1-3. Mexico, D. F. Michigan Academy of Science: Eleventh Report. Lansing,...D. C. West Virginia Geological Survey, vol. 4; County Reports, Marshall, Wetzel, and Tyler Counties....the brown iron ores of Spring Valley, Wisconsin. Michigan Acad. Sci., llth Kept.,,pp. 95-103, 2 pis., 4...4 figs., 1909. 17. Iron formation of Woman River area [Ontario]. Ontario, Bur. Mines, 18th Ann. Rept. |  | | Book | | along the Yellowstone River. Hunt for sapphires at the Spokane Bar Sapphire Mine. Help paleontologists.... . . . . . . . . . . . . . . . . . . . 9. Sun River . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 16. Dearborn River . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . 18. Blackfoot River . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . 21. Clark Fork River . . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | Geology California Div. Mines and Geology County Rept. Geology County Report. San Francisco, Calif. California...Ky. Kentucky .Geol. Survey County Rept. - Kentucky Geological Survey County Report. University of Kentucky...Los Angeles County Mus. Contr. Sci. in Science. Los Angeles, Calif. Los Angeles County Museum Contributions...Contributions Los Angeles County Mus. Nat. History Quart.- Los Angeles County Museum of Natural History Quarterly...D. F., Mexico. Michigan Acad. Sci., Arts and Letters Papers - Papers of the Michigan Academy of Science |  | | Report (issue) | | commercial borates. Lawsonite, first found in Marin county in 1895, has proved to be of great petrographic...nickel telluride, melonite, found in Calaveras County in 1867. New minerals and new mineral this is ...either from the ocean or from the waters of salt lakes. The principal kinds of sedimentary rocks are sandstone...feldspars. Limestone consists very largely of calcite. Metamorphic rocks may consist principally of...products. The gem-bearing pegmatites of San Diego County have aroused special masses, interest. Many |  | | Report (issue) | | summary of the mineral resources of each and every county in the state. For the first time all the essential...44 Alameda County Alpine County Amador County Butte County Calaveras County Colusa County Contra Costa...Costa County Del Norte County El Dorado County __ Fresno County 3 4.j — Glenn County Humboldt County...Imperial County Inyo County Kern County Kings County Lake County Lassen County Los Angeles County Madera...Madera County Marin County Mariposa County Mendocino County Merced County Modoc County Mono County Monterey |  | | Book (volume) | | Illinois, Indiana, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...pegmatite, shoreline, quarry, gravel pit, prospect, mine, etc.). Let’s take, as an example, under the heading...heading of Arizona, on the map of Maricopa County, the site x How to Use This Book indicated as number |  | | Journal (volume) | | centers of the state; exhibits of minerals, rocks, mine models, etc.; a service laboratory for the determination...Quicksilver Deposits of the Oakville District, Napa County, California, by Philip F. Fix and C. Melvin Swinney...Tuolumne County, California, by Clarence A. Logan 47 Barium, by W, B. Winston 85 Penn Mine Slag Dump...Dump and Mine Water, Calaveras County, fornia, by Frank J. Wiebelt and Spangler Ricker Division of Mines...La Joya mine, Napa County 1. Geologic 2. Underground workings map of of La Joya mine, Napa County |  | | Report (issue) | | S. Commissioner of Mineral prepared reports of mine production and gold-mining Bureau, and later now...gold-mining operations; the and Geology and the County a number of bulletins on certain phases and...reports and records, and private reports. Some county records were examined. The author was assisted...John Wells. is also given to the large number of mine owners and operators, mining engineers, and miners...Placer . Hill Nevada Madera French Corral Fresno River Plumas Genesee.... Georgetown ..El Granite |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...Mountains, California-Oregon (Hotz, 1971); and Bridge River Camp, British Columbia, Canada (Barr, 1980). They...in these deposits include carbonates (ankerite, calcite, dolomite, and siderite), albite, biotite, and...of deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills |  | | Report (issue) | | observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...short articles on California diamonds. A Amador County: few small stones have been picked up near the...towns of Volcano, Oleta and Fiddleto^vn. Butte County: In 1853 it was observed that diamonds occurred...Thompson Flat, two miles north of Oroville. El Dorado County: A diamond weighing 1| carats was found at Forest...in White Rock canyon and at Smith's Flat. Fresno County: Small diamonds are reported to have been found |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | initial reconnaissance should be made by means of river traverses. 3) Epitherraal gold Tertiary/Quaternary...overlying shales may be very large (White Pine, Michigan: 500,000,000 tonnes at 1.23 percent Cu), and deposits...mainly of illite, adularia, chlorite, epidote, and calcite. Deposits occur most commonly within or adjacent...geologic map of the Silver City Mining region, Grant County, New Mexico: U.S. Geological Survey Geophysical...copper district of Michigan, jLri White, W. S., ed., Guidebook for Field Conference, Michigan Copper District: |  | | Journal (issue) | | Morehead Riverside, CA Donald R. Peacor University of Michigan Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of...Articles Native gold from the Jamestown mine, Tuolumne County, California...............................Adularia from the Howard-Montgomery quarry, Howard County, Maryland .......................................collectors interested in visiting the Blanchard mine or other mines in the Hansonburg mining district...signed in at Bingham for entry to the Blanchard mine area for surface collecting. Underground collecting |  | | Report (volume) | | Genevieve Limestone Ste. Genevieve Limestone (in Blue River Group) Ste. Genveieve Limestone (in Meramec Group)...has been called "Ste. Genevieve Limestone in Blue River Group" in another area. Finally, the name in boldface...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian |  | | Report (issue) | | argillized sill of volcanic rock from the Dearborn River locality within the Montana disturbed belt and of...at depths of 10,000 feet or more in the Powder River basin and of samples from stratigraphically equivalent...such as in cuttings from deep wells in the Powder River basin, it is the montmorillonite in bentonite beds...diagenesis. One is of well cuttings in the Powder River basin, and the other is of mixed-layer clay in the...conglomerate, and in the east along the Missouri River of less than 500 to 1,000 feet of dark-gray marine |
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