 | | Book (edition) | | associated with such rocks. Because hard rock mining amateur will usually get is tedious and expensive...feldspar quarries in pegmatite deposits, mines and mine dumps, and from "float" deposits, minerals loose...should always ask permission it may be un- or a mine dvmip. Cleanliness around a camp site and removal...recent perhaps because of the decline in placer mining for gold in made dis- faces helps to distinguish...NORTH CAROLINA weight plac« date Brindletown Creek, Burke Co. 1843 2 stones Twitty gold placer, |  | | Journal (issue) | | by its matrix. Carolina). Chalcedony after interstices from Chester County, Pa., has been described by...Nevada Cerussite after Fremontite. Canion City, Colorado Delafossite after Copper (?). Bisbee, Arizona...adsorbent. (Quartz after calcite type; also quartz or chalcedony after barite, celestite, dolomite, fluorite,...) The very common pseudomorphs of quartz and chalcedony after calcite are apparently to be correlated... as shown under (2), which is why quartz and chalcedony pseudorLorphs after calcite and barite and mutual |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Journal (article/letter/editorial) | | various events in the geologic history of an ore district or oreshoot area that have assisted in enhancing...intersections. In addition, conceptual parameters such as district fabric, magic distances and stacking are also...such as internal and external plunges, district plunge, district stacking, conduit classification, gradients...Office, Mackay School of Mines, Reno, NV 89557-0047, USA. 0169-1368/93/$6.00 of economic geologists (Penrose...Blanchard, 1931; McKinstry, 1941 ). Because each mining district or camp has its unique geologic characteristics |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Journal (article/letter/editorial) | | collecting. Although Texas is not known for its mining industry, be cause of its large oil and gas exploration...Llano County in the early 1900s but was flooded by Lake Buchanan in 1938. The Terlingua mining district...minerals. Mining here was contin uous from 1900 to the middle 1940s; but the Mariposa mine, which produced...& Minerals on "The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hampshire" (March/April 1991)...66, May/June 1991 197 LOCALITIES BY COUNTY Bastrop County KEY mm T * ? — — — — best occurrence |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Wisconsin at Plum Creek, Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee |  | | Journal (article/letter/editorial) | | Photographs JanuaryFebruary: Rhodochrosite, N’Chwaning mine, Hotazel, South Africa. Martin Zinn specimens, Erica...Cryo-Genie mine, San Diego County, California. Natural History Museum of Los Angeles County specimen,...Ground Hog mine, Gilman, Eagle County, Colorado. Natural History Museum of Los Angeles County specimen...Acanthite-argentite, Colorado, 307 Actinolite/tremolite, Michigan, 344 Adularia, Michigan 341 “Alaskaite,” Colorado, 307...395 Allanite-(Ce), California, 162 Allophane, Colorado, 307 Almandine, Connecticut, 261 Almandine-spessartine |  | Gebre-Mariam, M., Groves, D. I., McNaughton, N. J., Mikucki, E. J., Vearncombe, J. R. (1993) Archaean Au−Ag mineralisation at Racetrack, near Kalgoorlie, Western Australia: a high crustal-level expression of the Archaean composite lode-gold system. Mineralium Deposita, 28 (6) 375-387 doi:10.1007/bf02431597 | Journal (article/letter/editorial) | | Porphyritic basalt ~ Flow basalt / Fault [~ ~ Gold mine zopo~ z~oo~ / >~+++++iti~ ~ Andesite '~ ...a e r o m a g n e t i c data. Mine geology and structure In the mine environment, the stratigraphy is...zones, oriented 320-330~ ~ W, are common in the mine environment and, in places, have displaced the ore...This stage is restricted to the western part of the mine area. In many eases, Stage II breccias are rebrecciated...II and III are widespread within and outside the mine area. These quartz-carbonate veins, with coarsely |  | | Report (volume) | | CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway...GAZETTEER OF COLORADO. through the Park Range on its way to join Green River, forming the Colorado. Middle...Mexico, the San Juan flo wing westward to the Colorado, and many branches of Gran9. and Gunnison rivers...plateau region is drained entirely by tributaries of Colorado River. The higher of these plateaus are well watered |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...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 |  | | Journal (article/letter/editorial) | | photo March/April: Fluorite, Dow Scar vein, Hilton mine, Scordale, Cumbria, England; Jesse Fisher specimen...May/June: Uvite, Powers farm, Pierrepont, St. Lawrence County, New York; Steven C. Chamberlain specimen, Michael...albite, Kestral Pocket, Smoky Hawk mine, Teller County, Colorado; Martin Zinn specimen, Jeff Scovil photo...September/October: Gold and quartz, Colorado Quartz mine, Mariposa County, California; Scott Rudolph specimen...Girona specimen, Joan Rosell photo A Acanthite, Colorado, 423 Actinolite, New York, 221, 454 Adularia, |  | | Book (volume) | | instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles Eye Tunnel |  | | Journal (article/letter/editorial) | | Sphalerite and calcite, 5 cm across, Denton mine, Hardin County. Ross Lillie specimen. +!.+!+%% 34!2+ ...chalcopyrite, and sphalerite, 12.7 cm high, Hardin County. Marv Rausch specimen. 3(%,"9 -!#/50). /5 ....outwash deposits. The Illinois-Kentucky fluorspar district in the extreme southeast corner of the state has...to the mid-1970s were documented with the exact mine or in many cases even the correct subdistrict. In...Mississippi Valley zinc-lead district. This area has been an active mining district from about the middle of |  | | Book | | often are arrested there. At the Eldorado sapphire mine in Mon¬ tana the action of a million years is readily...animal form which was filled in by the iron oxide. Chalcedony, one of the common varieties of quartz, was formed...intrudes a sloping bed of limestone. As the Yogo mine has been worked at various times in the past hundred...Again, some of the best specimens from Emerald Creek in Idaho have been found by indi¬ viduals standing...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in |  | | Book (volume) | | that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area of Todd’s...Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Keene, Mill Creek and Tuscarawas, as hard dark gray to black nodules⎯flint. CUYAHOGA COUNTY CHAGRIN FALLS |  | | Book (volume) | | that is mostly a mixture of chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty...ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...MILFORD, area creek gravels and alluvial deposits, rare⎯Diamond. CLINTON COUNTY WILMINGTON, area of Todd’s...Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships of Washington, Virginia, Bedford...Keene, Mill Creek and Tuscarawas, as hard dark gray to black nodules⎯flint. CUYAHOGA COUNTY CHAGRIN FALLS |  | | Book (volume) | | 5 = fii? i a j — » ya y _— ’* : i mine in. q)! Y eit iia -...Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...operator of the Little Three Mine at Ramona, and Ralph R. Potter of the Himalaya Mine at Mesa Grande provided |  | | Journal (article/letter/editorial) | | (top left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo...(left). Fluorite, 2.5 cm on edge, Elmwood mine, Carthage, Smith County. Terry Huizing specimen and photo. Figure...Figure 4 (right). Cumberland mine, Smith County. Travis Paris photo (2004). Figure 5 (far right page)... minerals, and mineral resources of the state. Mining has been an important part of Tennessee industry |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...nodule may contain a center of surrounded by chalcedony easily discernible quartz crystals that crystalline...mass. Tenacity is a quality closely allied chalcedony and jasper, because of their makeup, are tougher...granite except and cools, gas pockets may be chalcedony or opal, de- dissolved from the lava. Similarly...northern Idaho. the cells with silica, or a cast of chalcedony space left Two other formations create conditions |  | | Journal (article/letter/editorial) | | Coosa County there is an outcrop that carries considerable tin and there has been some mining since 1940..."Cassiterite is the only tin mineral found in the district. The crystals are black or a dark mahogany color...crystals are largely found in the pegmatites of the district. "In the general area the following minerals are...drusy quartz; the locality is the Aurora Quicksilver Mine in San Benito Co., Calif. A new occurrence for scheelite...might find interesting. It is scheelite from Marin County, California. It is of primary interest as it is |  | | Report (volume) | | Clay County. Macon County. Jackson County. Transylvania County. Swain County. Haywood County. Buncombe...Buncombe County . Madison County. Yancey County. Mitchell County . Watauga County . Wilkes County. Ashe County...County . Alleghany County . Physiography and ecology of the peridotites. 28 28 29 32 34 35 36 38 42 46...associated basic mag¬ nesian rocks. Shooting Creek region, Clay County, North Carolina. Elf dunite. Elf amphibole-peridotite...Elf amphibolite. Elf gabbro. Shooting Creek dunite. Thumping Creek hypersthenite. 66 66 66 67 68 69 H |  | | Book (volume) | | corner of Kimball Co. where it overlooks both Colorado and Wyoming. The subsurface rock strata of the...of the Pine Ridge Escarpment and along Whiteclay Creek near the Sioux Indian community of the same name...as: concretions, Barite and Celestite crystals, chalcedony rosettes, agates, jasper, fossil plants and vertebrate...and breaks in the hills along the Minnechaduza Creek and the Niobrara, as well as all tributary canyons...known for its agates, chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel |  | | Report (issue) | | of Vermiculite Sampling of Vermiculite Deposits Mining Methods Processing of Vermiculite Vermiculite Deposits...Vermiculite Deposits .Avery County Frank Deposit Unproven Localities Buncombe County Bee Tree Deposit Lake...Localities Clay County Mark Rogers Property Barnett Anderson Property Other Localities Haywood County Henderson...Henderson County .. Iredell County Jackson County Addie District Fisher Property Ocher Creek District Cane Creek...Creek District Caney Fork District Cowarts Property John Lovedohol Property Cowards Property Other Localities |
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Buck Mine, Cripple Creek Mining District, Teller County, Colorado, USA