 | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | main ore minerals, although pyrite, sphalerite, galena, chalcopyrite, sulfosalt minerals, and Te- and...and Christie, 1996). E. (facing page) Schematic cross section, showing mineralization in relationship...minerals and vein textures. Mineral Production Mining history Alluvial gold was discovered near Coromandel...deposits, 0361-0128/98/000/000-00 $6.00 little mining activity occurred until the discovery of Au-bearing...veins in 1861 in what was to become the Kapanga mine (Fig. 2, Table 1). Prospecting elsewhere in the |  | | Report (volume) | | so successful. Allis-Chalmers Manufacturing Co. Mining Machinery Dept. OFFICES For Canadian MILWAUKEE...Canada THE MINES HANDBOOK Meeting tbe Needs of Mine and Smelter Hundreds of plants on both American...service from Superior Jaw Crusher Worthington mining equipment the from the standpoint of first cost...most wear, Worthington meets the needs of the mining industries with a complete line of products, from...(all types) Crushers Crushing Rolls NEW YORK Mine Pumps Oil Engines Sampling Machinery Screens Stamp |  | | Report (volume) | | California. THE MINES HANDBOOK, 1922 MACHINERY FOR MINE • MILL SMELTER Embodying recent developments...Hydraulic TurbinpM MILWAUKEE, Metallurgical Machinery Mining Machinery Perforated Oil l-:imini-- Metals I'liiiiliini:...are getting the most in service from Worthington mining equipment — :the most from the standpoint of first...power consumption. Worthington meets needs of the mining industries with a complete line of products, from...Compressor NEW YORK Crushing Rolls Air Compressors Mine Pumps Ball Mills Blast Furnaces Oil Engines Screens |  | | Report (issue) | | LEAD AND ZINC. THE TEES HERMANAS MINING DISTRICT, NEW MEXICO. By WALDEMAR LINDGREN. GENERAL FEATURES...north of the Mexican boundary the small group of mountains known as Tres Hermanas rises from the general...level of the high plateau. The lead and zinc mining district is in the northern part of the group, the three...000 feet; on the east the crags of the Florida Mountains form a picturesque background to the plain, which...mines. In 1904 zinc ores were discovered in the district, and in 1905 shipments were made to smelters in |  | | Book | | IN U.».A. R-m DESERT FEVER f An Overview of Mining in the California Desert Larry M. Vredenburgh...an overview of mining in cl981, S. F. PUBLIC LIBRARX This publication and related mining and historical...Special First Edition of Desert Fever: An Overview of Mining in the California Desert has been limited to 1...Future Imperial County 7 Riverside County 24 San Bernardino County Kern County 181 Inyo County 222 58 269...269 Summary of Mining in the California Desert Bibliography 284 Glossary of Mining Terms 299 Index 305 |  | | Journal (article/letter/editorial) | | Department of Geosciences, University of Arizona, Tucson, Arizona 85721 Abstract The Hauraki goldfield...duration of hydrothermal mineralization in the Waihi district, and (3) evaluate working hypotheses for the integrated...4 Ma Rift raki Hau Ar-Ar a 6.3 Ma Komata Golden Cross Ar-Ar a 6.1 Ma Ar-Ar a 7.0 Ma Sovereign ...Combined with our previous work at Neavesville, Golden Cross, and Komata (Mauk and Hall, 2004), we now have...mineralization in the nearby Thames district (Brathwaite et al., 2001b). The Thames district was the second largest |  | | Report (issue) | | an overall guide been written on gold and gold mining of publications have no single report or to...longer district Hulin, respectively. the principal features of each gold-bearing district are described...publications were written on various phases of gold mining. The reports of John Trosk, the first State Geologist...Commissioner of Mineral prepared reports of mine production and gold-mining Bureau, and later now the California...The California Mining in 1880, gold-mining operations; the and Geology and the County a number of |  | | Report (issue) | | PHYSICAL SCI. COUNTY REPORT 7 GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY, CALIFORNIA Uk ... R&daubced. oj COUNTY IMPERIAL Gedifansua By Paul K. Morton Geologist COUNTY REPORT California...Sand Hills, as viewed toward the northwest from County Park. The prevailing wind direction, as indicated...PREFACE vi ABSTRACT vii INTRODUCTION Summary of County 1 Mineral Trends and Needs Principal Geographic...or Triassic(?) rocks Mesozoic rocks 1 McCoy Mountains __ Formation Cretaceous igneous rocks 16 Cenozoic |  | | Journal (article/letter/editorial) | | display distinct zonation along four subsurface cross sections (800 m long × 450 m deep) that transect...for veins. The veins at Favona, Martha, and Golden Cross (Empire vein), combined with a resource at Karangahake...0361-0128/07/3681/817-23 Mexico: Conrad et al., 1992; Golden Cross, New Zealand: Simpson et al., 2001; Comstock...Coromandel Group (L. Miocene) diorite intrusives Golden Cross Komata Manaia Hill Group Karangahake (Jurassic)...Brathwaite and Christie, 1996). By contrast, underground mining of the Martha deposit between 1883 and 1952 recovered |  | | Journal (volume) | | LOGAN, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid J. _ Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averii.l, District Mining...Mining Engineer J. C. O'Brien, District Mining Engineer George John Gary, Mineral Technologist L. ... Statistician and Curator G. Hubbard, Junior Mining Engineer (Librarian) San Francisco Sacramento... CONTENTS Page REPORTS OF DISTRICT MINING ENGINEERS Sacramento Field District 6 7 Mines and Mineral Resources |  | | Journal (volume) | | A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Tucker, Reid J. Mining Engineer District Sampson, Assistant Mining Engineer District Engineer Chas...Chas. V. Averill, District Mining Engineer San Francisco Sacramento San Francisco Los Angeles Los Angeles...Junior Mining Engineer (Librarian) San Francisco San Francisco TABLE OF CONTENTS Page DISTRICT REPORTS...REPORTS OF MINING ENGINEERS—— 7 Redding Field District 7 Sacramento Field District 7 San Francisco |  | | Report (issue) | | Mining, Minerals, and the Environment, 1995 warehouse stocks (50 million ounces from March...334-million-ounce silver production comes from base metal mining. As noted for gold, over the past few years the...half of the world's zinc consumption is used 5 Mining, Minerals, and the Environment, 1995 for galvanizing...environmental problems at the Blackbird mine in Lemhi County, the nation's most readily available supply... Thompson Creek Mining operates the largest open pit mine in Idaho in Custer County. Antimony prices |  | | Book | | Inc., Tucson, Arizona Copyright~ 2016 The Mineralogical Record. Inc. Tucson, Arizona All rights reserved...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Report (issue) | | ...... ·- ......... . J,5 Historical sketch of mining and smelting in New Mexico....... . . . . . . ....... : . .............. - ........ .. . . T~os County, by L. C. Graton and W ..Lindgren ..... ................. . . , ... -.. . Rio Hondo. (Twining) district . . . . . . . . . . . . . ......................::.:::.::: ::: :::: :: ':::: :: ::::. Red River district. ..................•......... -~ . . ...........·::-; : : :. ::.·.i?:5.•.:...,. .... Black.Copper mine ........ ............. ~ ... .. . .... ·....... |  | | Journal (volume) | | Geologist C A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Reid J. Frank Sanborn, District Mining Engineer District Engineer Mining Engineer Mineral Technologist...Henry H. Symons, J. C. District Sampson, Assistant Ohas. V. Averill, John Mining Engineer Statistician...Statistician and Curator O'Brien, Junior Mining Engineer (Librarian) San Francisco — Sacramento San Francisco...Reports of District Milling' Engineers Redding Field District Sacramento Field District San Francisco |  | | Journal (article/letter/editorial) | | 102, pp. 873–892 Structural Evolution of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MICHAEL...Centre, Auckland 1142, New Zealand Abstract Golden Cross, located in the Hauraki goldfield of New Zealand...overlapped in time, at least in part. Host rocks at Golden Cross dip 50° to the southeast. If the vein system...Berger et al., 2003; Chauvet et al., 2006). The Golden Cross deposit provided excellent exposures, illustrating...epithermal vein system. Previous investigations at Golden Cross have focused principally on the mineralogy and |  | | Report (issue) | | BULLETIN 72 Mineral Deposits of Luna County, New Mexico by GEORGE B. GRISWOLD 1961 STATE BUREAU OF...INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY...................................... 29 MINING IN LUNA COUNTY .................................................................. 40 Tres Hermanas mining district ................................................................................... Mahoney mining area ......................................... |  | | Report (issue) | | Empire. N o attempt has been made to give details of mining or metallurgical processes. HARCOURT, Chairman...ORES It is a remarkable fact, as demonstrated by mining experience, that the five metals, silver, gold...both gold and silver. T h u s , in the Kongsberg district the proportion of silver to gold is given a s...tables to remove such substances as tetrahedrite, galena and blende (which are smelted), and is then separated...produced silver may be mentioned East Huel Rose lead mine (yield from 1852 to 1861 was 260,721 oz.), and West |  | | Journal (article/letter/editorial) | | carbonate rocks from the Bingham Canyon, Utah mining district. Replacement of the carbonate rock appears...fractures on the No. 6 level of the Highland Boy mine, Bingham Canyon, Utah. The mineralized fractures...replacement ore on the 5.5-level of the Highland Boy mine, Bingham Canyon, Utah. Unreplaced zones are white...carbonate-replacement mineralization. Numerous cross-linking, mineralized fractures are also evident...Murray vein 950-level Tonopah-Extension mine, Tonopah mining district. Bands of alternating sulfides and rhodochrosite |  | Marsh, S.P., Moyle, P.R., Knox, R.D., Howard, K.A., Raines, G.L., Hoover, D.P., Simpson, R.W., Rumsey, Clayton M. (1982) Mineral resource potential of the Sheep Hole-Cadiz Wilderness Study Area (CDCA-305), San Bernardino County, California. Open-File Report Vol. 1982 (82-957) US Geological Survey doi:10.3133/ofr82957 | Report (issue) | | WILDERNESS STUDY AREA (CDCA-305), SAN BERNARDINO COUNTY, CALIFORNIA SUMMARY REPORT Sherman P. Marsh 1................................................. Mining history..........................................California Desert Conservation Area, San Bernardino County, California. SUMMARY The Sheep Hole-Cadiz Wilderness...vein-type deposits in the Sheep Hole and Calumet Mountains, with a speculative resource of porphyry molybdenum;...building stone in the east-central Sheep Hole Mountains; (4) large quantities of sand and gravel, not |  | | 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...section, taken farther south, shows the Tehachapi Mountains and the Mojave Desert. Cover design by Elinor...MINERAL RESOURCES OF KERN COUNTY, CALIFORNIA By BENNIE W. TROXEL, mining geologist California Division |  | | Book | | Bagby US Geological Survey, Menlo Park, California, USA William Bagby received a Ph.D. in Earth Science from...rocks in the Sierra Madre Occidental, Mexico. His mining industry experience includes porphyry copper exploration...Berger US Geological Survey, Spokane, Washington, USA Byron Berger has been involved in exploration for...Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...Zimbabwe). In 1977 he moved to the Institute of Mining Research at the University of Rhodesia (Zimbabwe) |  | | Journal (article/letter/editorial) | | Alteration and Mineralization in the Comstock District, Nevada DONALD M. HUDSON†1540 Van Petten Street...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...elsewhere in the district. Pliocene to Holocene reactivation of faults has disrupted the district, redistributing |  | Wilkinson, W., Wendt, C., Wilkins, J., Haxel, G. (1986, March) Frontiers in geology and ore deposits of Arizona and the southwest, Field Trip Guidebook 3 - Precious metal mineralization, stratigraphy, and tectonics in southeastern California - Part A. Guidebook. Arizona Geological Society | Report (issue) | | DEPOSITS OF ARIZONA AND ·I T HE SOUTHWEST Arizona Geological Society and the University of Arizona 1986 Symposium...S.) Coordinator: J. Wilkins ARIZONA GEOLOGICAL SOCIETY TUCSON, ARIZONA Cover preparation by Beverly...Volume XVI ARIZONA GEOLOGICAL SOCIETY P.O. BOX 40952, UNIVERSITY STATION TUCSON, ARIZONA 85719 To: ...Field Trip Participants Welcome to Arizona and the 1986 Arizona Geological Society Symposium "Frontiers..."Frontiers in Geology and Ore Deposits of Arizona and the Southwest. 11 As field trip chairman I would like |  | | Book | | documented the rest in his own unique collection of mining lore, maps, and records. (continued on back flap)...Includes index. Gold mines and mining-The West. 2. Silver mines and mining-The West. I. Title. 1N413.A5J...waybill to a lost mine • Foreword Through6ut the great days of American mining, the price of gold...against today's greatly increased cost of operating a mine. The greater value of gold also has been an incentive...description of known mines, lost mines, and of promising mining districts and is not concerned with the weighty |
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Golden Cross Mine, Cababi Mining District, Comobabi Mountains, Pima County, Arizona, USA