 | | Journal (article/letter/editorial) | | a new mineral from the Capitana mine, Copiapó, Atacama Province, Chile and has been identified from numerous...numerous other deposits world-wide. At the Capitana mine, it occurs as transparent, colorless, tapering hexagonal...secondary mineral in the oxidized zone of the Capitana mine, a Cu-Pb-Ag deposit, where it closely associated...1979), the mines around Copiapó in the Atacama Desert of Chile have been yielding a remarkable array of...of unusual minerals. In 2004 at the Capitana mine near Copiapó, one of the authors (R.A.J.) collected |  | | Journal (issue) | | commodity prices. All have left their mark on the mining sector. And yet, despite the headwinds in what...exploration front. As usual, we feature a host of junior mining company profiles – 25 in this edition – covering...clean energy metals, and operating in all the major mining jurisdictions around the world. On behalf of everyone...Capital 10 Ascendant Resources Inc. Company Profile Copper | Zinc | Lead | Gold | Silver | Tin | Portugal...Gold | Silver | Chile 14 Astra Exploration: Targeting Gold and Silver in Northern Chile Brian Miller, |  | | Journal (article/letter/editorial) | | 23:45 31 December 2014 Realgar Jiepaiyu Mine, Shimen, Hunan Province, China T here has been a dramatic...MINERALS represented by “realgar” from Pampa Larga, Chile; it does not decompose. Realgar is most frequently...rocks and has been identified as a product of coal-mine fires. Commonly associated minerals include orpiment...Paris, Oxford County, Maine, and the Palermo No. 1 mine, Groton County, New Hampshire. It occurred with...attractive groups of crystals from the Getchell mine, Humboldt County, where individual crystals to 12 |  | | Report (issue) | | White River National Forest and Dillon Ranger District of the Arapaho National Forest. The information...(Table 1) is a database arranged alphabetically by mine name, that lists the mineralized area, 7-1/2 minute...and longitude location for each mine, sorted alphabetically by mine name. Some mines have several openings...METHODOLOGY The authors painstakingly located each mine on current 1:24,000 topographic maps using geologic...published literature were plotted, but a single mine may contain multiple named adits and/or shafts. |  | | Journal (article/letter/editorial) | | whereas those of the Chortis block (except the Monte Cristo deposit) form a cluster. These results suggest...from twelve previously unstudied deposits and district (Table 1 and 2; Fig. 1) and have reanalysed eleven...silver-gold-lead-zinc veins in Cenozoic volcanic rocks (Monte Cristo, Bonanza, E1 Rosario). As noted by Cumming and...late veinlets in the large Cerro Colorado porphyry copper deposit and the Boston gold-silver vein deposit... In fact, if we exclude samples from the Monte Cristo mine in E1 Salvador and the sample from the Montenegro |  | | Report (issue) | | BASTIN. INTRODUCTION. The silver ores of the Monte Cristo mine, near Wickenburg, Ariz., are of peculiar interest...antimonides of nickel or cobalt, whereas at the Monte Cristo mine the native silver crystallized nearly or quite...by the United States Geological Survey in many mining camps of the western United States. The work of...delayed by the war and other causes. The Monte Cristo mine is about 12£ miles by wagon road northeast...Phoenix. No topographic maps of the district are available. In 1913 the mine was owned by Mr. Ezra Thayer, |  | | Report (volume) | | and Zinc Deposits in Goodsprings (Yellow Pine) District, Nevada By CLAUDE C. ALBRITTON, ]R., ARTHUR RICHARDS...-------------------Geology of the Goodsprings district, by Claude C. Albritton, Jr_________ Introduc...column__________________ Position of ore bodies within mine areas______________________ Yellow Pine and Prairie...Summary_________________________________________________ Potosi mine, by Arthur Richards, Arnold L. Brokaw, and David...31 31 32 34 39 41 41 41 44 IV CONTENTS Potosi mine, by Arthur Richards, Arnold L. Brokaw, and David |  | | Report (issue) | | Northport District. .... . ........ . .. ... . . . .. . . . ............ . Myers Fa.Us District . . . .... . . . . . . . . . . . . . . . . Fla.t C1·eek District . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . Colville District . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . Chewela.h,District . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . Springda.le District . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (issue) | | Weller Famous mineral localities: The Rush Creek District, Marion County, Arkansas .......................CHALCOPYRITE on TETRAHEDRITE, 15 cm, from the Herodsfoot mine, Liskeard, Cornwall, England. Collection of the...Pendeen West Cornwall, England Forcenturies, the copper and tin mines in Cornwall County, England, have...any in the world. During the last 200 years this mining region has produced an incredible variety of spectacular...INTRODUCTION This article will review the earliest days of mining in Cornwall and will include a brief description |  | | Journal (article/letter/editorial) | | Rush Creek Mining District MARION COUNTY, ARKANSAS A Synoptic View Situated in a part of the Ozarks along...Buffalo National River, the old mines in the Rush district are rediscovered by newcomers each tourist season...is hoped that histori cal evidence relating to mining will now be preserved for the interest and education...prospects in northern Arkan sas, the Rush Creek mining district is recognized as the most important zinc-producing...and 2). Ever since the last operat ing mine (the Monte Cristo) closed in 1962, mineral collec tors have |  | | Report (volume) | | Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES GOVERNMENT PRINTING OFFICE...-----------------------------------------~onte Cristo Gulch ___ ----------------------------------------...----------Arctic mine ______________________________________________ _ Senator mine ________________...____ _ Vanderbilt mine __________________________________________ _ El Dorado mine ______________________...__________________ _ Monte Cristo mine __________ ------ ________ ----- __________ _ Bemrose mine ___________ |  | | Journal (issue) | | EASILY DETECTS: • Coins • Relics • Gold • Silver • Copper • All Other Metals 'SOLID STATE MADE IN U.S.A...Did Death Valley Scotty actually have a "secret mine" or did the hundreds of thousands of dollars he...azurite to green malachite. This change, from one copper carbonate to another, is accomplished by the assumption...altering crystals, half green and half blue, come from copper mines in Arizona. One form of alteration that is...ingredient. Cuprite, a bright red oxide of copper, alters to pure copper by the loss of oxygen. Cuprite forms |  | | Report (issue) | | THE MINERAL RESOURCES OF THE MOUNT. WRANGE.LL DISTRICT, ALASKA BY WALTER C. .MENDENHALL AND FRAJ'!K...1903 4 CONTENTS. / Copper-Continued. Southern area-Continued. Copper occurrences-Continued. Description.......................................... Bonanza mine... . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . Nikolai mine . . . . . . . . . . . . . . . . . . . . . . . .................................................. Copper occurrencee . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | tons) Au vein deposits such as La Libertad and Monte Cristo. Most of these deposits have Ag/Au ratios close...to 1 with the exception of Monte Cristo, which is essentially a silver mine. In addition to these vein...this zone also contains the only significant past copper producer in 263 ~ Pb-Zn-(Ag) Ag-(Pb_-Zn-Au)...America and the Caribbean 1 Location and intrusion Copper Zinc av r sd 15 9 9 18 36 83 102 112 194 132...Republic N. E1Bao, Dom. Republic O. El Rio, Dom. Republic Q. El Yunque, Puerto Rico R. Utuado, Puerto |  | | Report (issue) | | Smithsonite slice and egg, 5.8 and 2.7 cm tall Masua Mine, Carbonia-lglesias, Sardinia, Italy Cal and Kerith...Smithsonite, 9.2 cm wide 400 Foot Level, Kelly Mine, Magdalena District Socorro County, New Mexico Steve Neely...1867. ·thsonian Smithsonite First Oxide Zone, Tsu Mine, Tsumeb, Nami 10cm tall Brent Lockhart coll Joe...bibliophile interested in mineralogy, crystallography and mining history and collects wood crystal models. Paul...1892), and zink-siderit (Strunz, 1970). There are "copper-rich" varieties named herreite (Dana, 1892) and |  | | Book (edition) | | FERRY, Govern(lr, and the members of the State Mining Bureau of Washington: GENTLEMEN_.: I have the...approved by him, with the cooperation of the state mining bureau, I , as state geologist, completed the neces11ary...GEOL OGIS T OF TL4SHINGTON. tenance of a state mining bureau are at once at an end, and may in no way...laboring · under a stigma attached to both the mining bureau and this office by reuon of events of a...infusion of a much. larger amount of capital in the project of developing and rendering productive these resources |  | | Report (issue) | | is located in the Basin and Range physiographic province, an area of alternating north-northeasttrending...population of about 4,300. Other small towns. include mining centers at Gabbs and Round Mountain and much smaller...Most early geologic studies focussed on the major mining districts, especially the Tonopah, Manhattan, and...early studies of these districts include: Tonopah district-Spurr (1902, 1905, 1915), Locke (1912), Bastin...(1930, 1935); Manhattan district-Ferguson (1924); and Round Mountain district-Ferguson (1921) and Ferguson |  | | Report (issue) | | 7 Geology and Ore Deposits of the Index Mining District By CHARLES E. WEAVER OLYMPIA, WASB.: E....entitled "Geology and Ore Deposits of the Index Mining District," by Charles E. W eaver, with the recommendation.................... 9 Location and area of th.e district. . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . • . • . . . History of mining. . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . Sunset mine . . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | THE LOS BURROS DISTRICT, MONTEREY COUNTY, CALIFORNIA. By JAMES M. HILL. INTRODUCTION. The following...concerning the metal prospects of the Los Burros district, in the southwestern part of Monterey County,...properties and the caretaker at the Buclimo mine. The district lies on the west side of the rugged Coast...500 feet above sea level. GEOLOGY. The whole district is underlain by rocks of the Franciscan formation...which run through the south-central part of the district. The most conspicuous exposures of the southern |  | | Report (issue) | | detailed to visit a number of widely separated mining districts in Nevada and northeastern California...days of September were spent in the Yellow Pine district, Nevada's new and largest zinc camp. This report...and people of the district did much to expedite the work. The mining men of the district extended many courtesies...ACCESSIBILITY. The Yellow Pine mining district, sometimes called ,the Good Springs district, is in the southwestern...Geological Survey. (See PL IV.) The center of the district is 35 miles southwest of Las Vegas, the supply |  | Church, S.E, Lehuray, A.P, Grant, A.R, Delevaux, M.H, Gray, J.E (1986) Lead-isotopic data from sulfide minerals from the Cascade Range, Oregon and Washington. Geochimica et Cosmochimica Acta, 50 (2) 317-328 doi:10.1016/0016-7037(86)90180-8 | Journal (article/letter/editorial) | | Cordillera have heen subdivided into copper, copper-gold, copper-molybdenum, and molybdenum systems deposited... to 18 m.y. (CHRISTOPHERand CARTER, 1976). The copper-gold deposits of the Canadian Cordillera are associated...the Intermontane Belt (Fig. 1) whereas the copper and copper-molybdenum deposits are associated with younger...volcanoes, 0). Porphyry Cu-MO deposits (A) and mining districts studied ( X ) are also shown. Some deposits...and Royal Development mine; 7, Mount Tolman; 8, Silver Creek and Monte Cristo mining districts; 9, Goat |  | | Book | | DEPOSIT. ^ jflnzona mining Directory A DIRECTORY OF Arizona^s Mines^ Mining Districts Owners or...MILLWARD PRESCOTT, ARIZONA Published by The Arizona Mining Directory Prescott, Arizona Price $2.50 '-^...a greater is October 298 1, were 1876, of mining locations Hinton, the statistician, states that...industry in this region lies in the deep mining. This mining directory been difficult of — the first...preparation work that furnishes a ready guide mining property of importance located between the long |  | | Report (issue) | | ................... 1 The mineral inventory project of the Nevada Bureau of Mines and Geology in the...The project was supported in part by the Nevada Bureau of Mines and Geology. The Tonopah project has...quadrangle is within the Basin and Range physiographic province. The ranges constitute about 50% of the total...scale of 1:62,500 or larger during the Tonopah project. Areas selected for geologic mapping were chosen...potential. Areas of new geologic mapping are in the Monte Cristo, Paradise, Toiyabe, Toquima, and Monitor Ranges |  | | Report (issue) | | ...... . ... . ..... .. ... . .. 265 Cokedale District . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . 266 Hamilton District ............................................ 266...Newcastle-Issaquah District ................................ . 261 Renton-Cedar River District .... .. .............. .. ... . ..... .. . . 269 Green River District ...... . ................... . .......... . .......................... 272 Wilkeson-Carbonado District. . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | ARKANSAS' RUSH CREEK ZINC DISTRICT Part T w o : The Mines By Dana Martin Batory 4 0 2 E . B u c y i...Crestline, Ohio 44827 The Morning Star The Morning Star mine, discovered in Arkansas in 1884, became the first...at a time when the mine was making big money for its owners. The Morning Star Mining Company owned an old-fashioned...level, hence the mine floor shows many inclines indicating the rock structure. The mine is directly in...Rush Creek fault, and the structural trends in the mine are from northwest to southeast, parallel to the |
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