 | | Journal (issue) | | at Silver Reef in southwestern Utah’s Washington County (figure 1) is a very unique occurrence. The high-grade...City cuts right through the middle of the Mining District. (Continued on page 2) The Moravian Territorial...km2), but with a rich and world- famous history of mining and associated mineralogy. In the city of Brno...Chlorargyrite, on and impregnating Sandstone, Silver Reef District, Washington Co., UT, 6 x 5 x 3 cm. Author’s specimen...Sandstone. Figure 3: Geologic map of the Mining District showing the outcrops of the Springdale Sandstone |  | | Report (issue) | | The Stratigraphic Section in the Vicinity of Eureka, Nevada GEOLOGICAL SURVEY PROFESSIONAL PAPER 276 The... The Stratigraphic Section in the Vicinity of Eureka, Nevada By T. B. NOLAN, C. W. MERRIAM, and J. S. WILLIAMS...the pre- Tertiary stratigraphy of east-central Nevada UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...Ninemile formation. _____ Antelope Valley limestone. Eureka quartzite_______ Hanson Creek formation. _ Western...dolomite__________... Devonian system.__________-_-_-__--_____. Nevada formation_________--______--. Beacon Peak dolomite |  | | Report (issue) | | Mississippian Stratigraphy of the Diamond Peak Area, Eureka County, Nevada GEOLOGICAL SURVEY PROFESSIONAL... Mississippian Stratigraphy of the Diamond Peak Area, Eureka County, Nevada By DAVID A. BREW With a section...clastic and limy sediments of the Chainman and Diamond Peak Formations were deposited in a narrow trough...___________________________ Relations of Chainman and Diamond Peak Formations _____________________________ Chainman...stratigraphy of Diamond Peak Formation ______________________________ Contact of Diamond Peak and Chainman |  | | 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...E. H. Barbour, University of Nebraska, Lincoln. Nevada...........Dr. W. S. Tangier Smith, Berkeley, Cal...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (issue) | | of the Arizona Geological society, society for Mining, Metallurgy and Exploration Inc., and the U. s...We also want to thank collectively, all of the mining companies and staff who graciously allowed us to...ALONG THE 1-80 CORRIDOR, RENO TO BATTLE MOUNTAIN, NEVADA R. Cuffney, R. Atkinson and R. Buffa Revised 1990...north-south ranges of central and northeastern Nevada (Fig. I). These belts, or their extensions, contain...vast majority of precious metal deposits found in Nevada to date. Our trip begins in the Walker Lane mineral |  | | Report (volume) | | ....................................... 102 District of Columbia ............................................................................ 187 Nevada..................................................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 |  | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ........ Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ...... |  | | Journal (article/letter/editorial) | | about 35 miles northwest of Flagstaff, in Coconino County, a pineforested volcanic area. The elevation is...in California recently I visited the Los Angeles County Museum in Los Angeles to see the famous collection...in Los Angeles can walk across the lawn to the County Museum for another thrill—the display of some of...weekends. "At a mine east of Leadville (Lake Co.). Colo., almost at the end of Lake County, I found a specimen...are reported from only one mine at Mackay, Idaho. Also found at this mine are malachite, azurite, cuprite |  | | Book (volume) | | & MINERAL GUIDE Where & How to Dig, Pan and Mine Gems & Your Own | Minerals KATHY J. RYGLE & STEPHEN...vacation stops at a roadside “dig your own” gem mine. Junior finds a sapphire the size of a peach and...) Many an unsuspecting tourist has stopped at a mine to try his or her luck and become a rockhound for...Dakota Oregon South Dakota Washington Wyoming Nevada Southeast States Alabama Arkansas Florida Kansas...Northeast States Connecticut Delaware Kentucky District of Columbia Illinois Indiana Louisiana Maine | | | Book (volume) | | vacation stops at a roadside “dig your own” gem mine. Junior finds a sapphire the size of a peach and...) Many an unsuspecting tourist has stopped at a mine to try his or her luck and become a rockhound for...States Arizona California Colorado Hawaii Kansas Nevada New Mexico Oklahoma ‘Texas Utah lowa Minnesota...VOLUME 4: Northeast States Connecticut Delaware District of Columbia Illinois Indiana Maine Maryland Massachusetts...GUIDES TO THE U.S.A. Where & How to Dig, Pan, and Mine Your Own Gems & Minerals VOLUME 4: NORTHEAST STATES |  | | Journal (issue) | | Scovil photo. In this issue also: Twin Creeks mine, USA Scott KLEINE, Bryan K. LEES & Malcolm SOUTHWOOD...Paul Cragan (USA) Malcolm Southwood (Australia) Associated Photographer: Jeff Scovil (USA) Contact: s...orpiment specimen from Cut 62 in Twin Creeks mine, Nevada, USA; 9.6 cm high. Azurite Corporation specimen...well-crystallised orpiment at the Twin Creeks mine in Northern Nevada, USA, and it's subsequent extraction as fine...corporations; one of them the mining company that owns and operates the mine, and the other a company that |  | | Report (volume) | | Western Sierra C:ourlty, New Mexico, Suggested by Mining Distri.cts, Ceologyt and c ·eochemicaf, Anomalies... Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology, and Geochemical...information on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable...1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical...resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van, 1918- II |  | | Report (issue) | | The Eureka Mining District Nevada By THOMAS B. NOLAN GEOLOGICAL SURVEY PROFESSIONAL PAPER 406 Prepared..._ Pogonip group _____________________________ _ Eureka quartzite ___________________________ _ Hanson..._ Chainman shale ___________________________ _ Diamond Peak formation ___________________ _ Permian system...Prospect Ridge block ___________________________ _ Diamond tunnel thrust zone ________________ _ Ruby Hill...of the ores _______________________ _ Mines and mining ______________ __________________ _ Production |  | | Book (edition) | | Where & How to Djg, Pan and Mine Your Own Gen1s & Minerals Where & I-low to 1-Iunt for Treasure From...vacation stops at a roadside "dig your own" gem mine. Junior finds a sapphire the size of a p ach and...) Many an unsuspecting tourist has stopped at a mine to try his or her luck and become a rockhound for...VOLUME2: Arizona California Colorado Hawaii Kansas Nevada New Mexico Oklahoma Texas Utah Alaska Idaho Iowa...VOLUME4: Northeast States Co1mecticut Delawar District of Columbia IUinois Indiana Maine Maryland Massachusetts |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare alluvial Diamond. THEBES: c area...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare alluvial Diamond. THEBES: c area...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E |  | | Journal (article/letter/editorial) | | Spring Hill gold mine, located four miles southwestof Helena,Lewis and Clark County,Montana,was the leadinggold...REGIONAL GEOLOGY. The areal geologyof the Helena district has been discussed in a reportby W. H. Weed'5from...•933. x Knopf, A.: Ore Deposits of the Helena Mining Region, Montana. U.S. Geol. Surv. Bull. 527,...On boththe 200 and 300 levelsof the Spring Hill Mine, blocks of limestonehavebeenengulfedin the intrusive(Figs...o.oo • .oo x.oo 0.50 4.oo 3.oo o.oo z.oo .25 Pyrite ....................... •.5o 0.50 i.oo x. Spring |  | | Report (volume) | | rock__________________--__-___-_--_ Silver Lake-Yucca Grove district..______________________ Southern Death Valley-Kingston...district_________ Inyo Range-Northern Panamint Range district._____-___Deposits associated with ultramafic rocks..._____________________________________________________ Chatsworth district, Murray County_____.______._-___-_--Other deposits..._--__---___-_-__________-____-____--_-___-_-_----_-- 33 Nevada.___--_--___--_--_.___.__-___--__-_----____-_-_-_-_--New...____--_-_-__---___-.____..-.._-_-_-_-----_-_-_--.-Gouverneur district..________________________.-___-_------Natural |  | | Journal (article/letter/editorial) | | on the Post territory which covers most of Yuma County, Arizona, and a small area in California."—letter...Crater of Diamonds is an abandoned diamond mine (the only diamond mine in the U. S.) that has been opened...found in their Volcanic Matrix. 2. Since the first diamond was discovered in 1906 by John Huddleston, more...have been rerecovered from this Crater. 3. First diamond washing plant was erected in 1914 and operated...diamonds. 6. Crater of Diamonds guests are given any diamond they find absolutely FREE up to 5 carats in weight |  | | Journal (article/letter/editorial) | | ,of commerci,alimportance. MINE WATERS. A studyof the 'behaviorof mine watersis essentialin an in-...sulphuricacid, formedgenerally fromtheoxidation of pyrite,it exertsa potent solvent effectonthesulphides...cit., p. 420. $6Rickard, T. A., "The Enterprise Mine, Rico, Colorado," Trans. A•n. Inst. Min. Eng., vol...have no effect comparableto ferrous sulphate. Since mine waters in the deeperzonesbecomealkaline, it is pertinent...blacktarnishhad appeared oneach,faintin thecaseof pyrite,deepwithpyrrhotite. 2aDana, "System of Mineralogy |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...among others, chalcopyrite, galena, sphalerite, pyrite, acanthite, bornite, calcite, dolomite, siderite...are examples of chalcopyrite, cuprite, covellite, pyrite, bournonite, and sphalerite after tetrahedrite...though small 2.4-cm tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was...present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs with rhodochrosite |  | | Journal (article/letter/editorial) | | mile west of the community of Levesque in Cross County. This locality may also be given as 6 miles east...in Georgia (pp. 9-21). One locality in Habersham County should fascinate many of our readers. Here is Dr...forest service road, is found the Bethlehem mine. The mine is located about y4 mile east of the Camp Nine...inch long. Pyrite was the only conspicuous mineral noted on the dumps. Some of the pyrite occurs in spots...Counties) . Samples enclosed consist of: "From Madison County — Lot 1 10 crystal, V4 to 1 inch. — Lot 2 - 15 |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Report (issue) | | Reconnaissance of the ore deposits in northern Yuma County, Ariz.: Bull. 451, 130 pp., 1911. 30c. -. The ore...H., Geology and ore deposits of the Park City district, Utah: Prof. Paper 77, 231 pp., 1912. BROOKS,...The mineral deposits of Alaska and the Alaskan mining industry in 1913: Bull. 592, pp. 1-74, 1914. 413...1913, PART i. BROOKS, A. H., The Chisana placer district, Alaska: Bull. 592, pp. 309-320, 1914. Gold, silver...218-235, 1911. . CHAPIN, THEODORE, The McKinley Lake district [Alaska]: Bull. 542, pp. 78-80, 1913. = Lode developments |  | | Book (volume) | | nodules, fossils, Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence of the Loup...chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford |
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