 | Melchiorre, Erik B., Kamenov, George D., Sheets-Harris, Chelsea, Andronikov, Alexandre, Leatham, W. Britt, Yahn, Jeff, Lauretta, Dante S. (2017) Climate-induced geochemical and morphological evolution of placer gold deposits at Rich Hill, Arizona, USA. Geological Society of America Bulletin, 129 (1) 193-202 doi:10.1130/b31522.1 | Journal (article/letter/editorial) | | geochemical and morphological evolution of placer gold, Rich Hill, Arizona Climate-induced geochemical...morphological evolution of placer gold deposits at Rich Hill, Arizona, USA Erik B. Melchiorre1,†, George...92407, USA Department of Geological Sciences, University of Florida, Gainesville, Florida 32611, USA 3 Department...Tucson, Arizona 85721-0092, USA 4 J.W. Mining, Wickenburg, Arizona 85390, USA 5 Lunar and Planetary Laboratory...Arizona, Tucson, Arizona 85721-0092, USA 1 2 ABSTRACT Placer gold deposits can serve as a wet/dry paleoclimate |  | | Report (issue) | | oresofo0000kell Telluride Ores of Boulder County, Colorado The Memoir Series of The Geological...America, Inc. Memoir 109 Telluride Ores of Boulder County, Colorado WILLIAM C. KELLY EpwINn N. GODDARD Department...SOCIETY OF AMERICA, INC. Colorado Building, P.O. Box 1719 Boulder, Colorado 80302 Printed in the United...assembling a representative collection of the Boulder ores. Dr. T. S. Lovering of the U.S. Geological...and numerous ore samples were donated by local mining men, particularly Fred Dopp, H. M. Williamson, |  | | Book | | Gold Mining in Boulder County, Then and Now Red Rocks to Riches by Silvia Pettem $4.95 Red Rocks... LEGEND / MINE V MILL ^ )^«^^ ORIGINAL GRADE HORSFAL RED CLOUD SLIDE PRUSSIAN © (GOLD HILL AREA).../r>, KjJ (WALL STREET AREA) GROUP) WALL STREET GOLD EXTRACTION (WALL STREET) COMPANY WOOD MT ^ ORPHAN...OF WARD) ^® POTATO PATCH(tt)(SUGAR LOAF) FOURTH OF JULY (ALMOST TO SOURCE (j2)OF BOULDER CREEK) <-i...by WESType Publishing Services, Inc., Boulder, Colorado Printed in the United States of America | | | Book | | Gold Mining in Boulder County, Then and Now Red Rocks to Riches at by Silvia Pettem $4.95 Red... Red Rocks to Riches LEGEND MINE 47 wit die athaprt ORIGINAL GRADE HORSFAL RED CLOUD coro wit area)...STREET AREA) FOREST WOOD MT. GROUP) WALL STREET GOLD EXTRACTION COMPANY Me (WALL STREET) ORPHAN BOY...SOUTH OF WARD) POTATO PATCH())(SUGAR LOAF) FOURTH OF JULY_ (ALMOST TO SOURCE OF BOULDER CREEK) = SOE...Nae 7 Saeex Red Rocks to Riches Gold Mining in Boulder County, Then and Now by Silvia Pettem iis |  | | 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 (article/letter/editorial) | | Plata meaning “gold and silver,” and the state seal with its representation of mining tools clearly proclaim...proclaim Montana’s mining origins. Montana’s production of copper, coal, gold, lead, manganese, phosphate...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces The state...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted |  | | Journal (issue) | | heavy request for copies of the Clyde Forsythe "Gold Strike" series has encouraged Desert Magazine to...look up." Although done in a lighter vein, the "Gold Strike" series once again evokes a deep response...Enclosed is $2.85 for a set of Clyde Forsythe's "Gold Strike" paintings. I have long been an admirer of...Circle total quantity and price of your order Colorado residents add 2% sales lax. isfaction guaranteed...today. The LAZy Rl RANCH '. .O.BOX 9 5 0 BOULDER, COLORADO Name Address Citv Names to be Imprinted |  | | Report (issue) | | HATCH, F.G.S., Consulting Mining Engineer; Past President, Institution of Mining and Metallurgy. Captain...Empire. No attempt has been made to give details of mining or metallurgical processes. HARCOURT, December...INTRODUCTION the remarkable effects of the war on mining and metal lurgy was the development of a keen...the lodes is nearly always sporadic, so that the mining and the estimation of reserves are rather irregular...and un reliable. In consequence of this the · mining has till recently been for the most part in the |  | | Book | | conditions on th P desert . are changing rapidly; Mining claims are filed, property, once open to collectors...and is punishable under the law. Do not disturb mining machinery or buildings, posted or not, they are...Hole 15 Northwest Darwin Hills 15 Christmas Gift Mine 15 Rainbow Ridge 17 Opalite 17 Sheep Springs 18...Paso Mountains 20 Ricardo Basalt 20 Cowden Opal Mine 20 Hidden Forest 20 Ricardo Gem Fields 20 (map 19)...Amethyst Tecopa Opal Soda Mountains Copper Toltec Mine Clark Mountain Afton Canyon (Canon Rio de las Animas) |  | Duuring, P., Hagemann, S. G., Groves, D. I. (2000) Structural setting, hydrothermal alteration, and gold mineralisation at the Archaean syenite-hosted Jupiter deposit, Yilgarn Craton, Western Australia. Mineralium Deposita, 35 (5) 402-421 doi:10.1007/s001260050252 | Journal (article/letter/editorial) | | Structural setting, hydrothermal alteration, and gold mineralisation at the Archaean syenite-hosted Jupiter...1999 Abstract The Jupiter gold deposit in the northeastern Eastern Gold®elds Province of the Yilgarn...south and west. Quartz carbonate veins that host gold at Jupiter occur in all lithologies and are divided...sphalerite, molybdenite, telluride minerals, and gold. Proximal hydrothermal alteration zones to the mineralised...quartz, calcite, ankerite, albite, and sericite. High gold grades (>2 g/t Au) occur mainly in syenite and in |  | | Journal (issue) | | L. L. Hoagland Assayer & Chemist Ralph S. Mason Mining Engineer T. C. Matthews Spectroscopist H. G. Schl...State, and particularly to those areas where new mining and metallurgical industries are locating, is the...services and supplies brought about through increased mining activities. The trend in Oregon, as it is elsewhere...the number of people deriving their living from mining and metallurgical industries in the State indicates...firms and others providing special services. * Mining Engineer, State of Oregon Department of Geology |  | | Journal (article/letter/editorial) | | 1921 How Gold Is Extracted Out of Ores on a Huge Scale in Order to Make It "A GOLD MINE" has ever...far-off stream. Even the liighly efficient modern mining and milling operations on immense tonnages of low...robbed the gold mine entirely of its lure for the imaginative adventurer ; and when the mine is lo cated...call i s irresistible. But this is the story of the mine, not of the miner. 1;' or even among those of us...methods of mining ores that occur in large bodies, as do all of the low-grade ores i n the district under |  | | Journal (article/letter/editorial) | | about one's person. In contrast, the same value of gold would weigh over ten tons. Apparently the first...already been taken. One company, the Premier Diamond Mining Company, was ROCKS AND MINERALS organized in...And the mine was yielding 5,000,000 dollars worth of diamonds yearly. It was the Premier Mine, as you...Tom Cullinan argued that this was steep for a potato patch, the farmer boosted his price to $250,000.00...the wash. After that, the Premier mine, as Tom Cullinan's potato patch was called, became known as a record |  | | Journal (issue) | | MUENCH Believed to be the richest single piece of mining property in history, the Comstock Lode in west-central...a production record of over a billion dollars in gold and silver. From this wealth came great personal...miners because it interfered with extraction of the gold content. But when its true nature became public...long idle Comstock recently were revealed by a mining company. Virginia City stands on the eastern slope...1958 Number 1 COVER Dead Horse Point on the Colorado River near Moab, Utah.- By SYL LABROT HISTORY |  | | Book | | org/details/minesofcoloradoOOholl The Mines OF COLORADO y The Mines OF COLORADO OVANDO J[AMES] HOLLISTER FROM^TOHY...Hollister, Ovando James, 1834-1892. The mines of Colorado. Reprint of the 1867 ed. Mines and mineral resources...TN2A.C6H7 1973 338. 2' 0978 1. —Colorado. The Mines OF COLORADO OVANDO (LATE EDITOR J. HOLLISTER...HOLLISTER, AND PORPRIETOR COLORADO MINING JOURNAI-) SPRINGFIELD, MASS.: SAMUEL BOWLES 1867. & COMPANY...COMPANY, In the Clerk's Office of the District Court for the District of Massachusetts. SAMUEL BOWLES AND |  | | Journal (article/letter/editorial) | | markable that the ore, which costs about the same to mine, per ton, can be afterwards put through the expen...process and yield a profit on the operations. When our mine is operating at full capacity there are l!cpproximately...company' s bunk houses. The greater part of the mine officials live in houses built by the company on...property. This group forms a' little hamlet about the mine and has its company operated store and little red...facilities, too, are practically nil, so that the mining camp does not usually appeal to the fam- miles |  | | Report (issue) | | or any other cultural features (city, village, county, township, crossroad, and railroad siding) are...this column are as follows: County (4th column)—This is the name of the county in which the listed entity...place, feature, or area lies in more than one county, the county listed is the one in which the center of...in the case of a stream, valley, or arroyo, the county listed is the one in which the feature's mouth...AL if Florence • Casa Grande GRAHAM Capital if County Seat COCHISE • Other Principal Cities Q____26____50 |  | | Journal (article/letter/editorial) | | 1577–1589 Insights from Pb Isotopes for Native Gold Formation During Hypogene and Supergene Processes...University of Florida, Gainesville, Florida 32611 USA of Geological Sciences, California State University...San Bernardino, San Bernardino, California 92407 USA Geological Survey, Central Mineral and Environmental...Denver Federal Center, Denver, Colorado 80225 USA Abstract The origin of gold nuggets in placers is enigmatic...match in the isotopic ratios between vein and placer gold will indicate that the placer nuggets are simply |  | | Report (issue) | | Geologist. MINERAL RESOURCES No. 14. THE TIN-MINING INDUSTRY AND THE DISTRIBUTION OF TIiN ORES ...Geologist. MINERAL RESOURCES '^ No. 14. THE TIN-MINING INDUSTRY AND THK DISTRIBUTION OF TIN ORES IN ... have the honor to submit I for publication mining Industry and the Distribution of Tin Mr. J. E... price of the metal. At the activity in tin-mining on account of the high Mr. Game's work, which...Tingha 59 [c) Wilson's Downfall (a) VIII. Tin-mining in (a) New 83 South Wales 92 Emmaville 122 |  | | Report (issue) | | Geology and Ore Deposits of the Boulder County Tungsten District Colorado GEOLOGICAL SURVEY PROFESSIONAL... Geology and Ore Deposits of the Boulder County Tungsten District Colorado By T. S. LOVERING and OGDEN TWETO...State of Colorado through the Colorado Geological Survey Board and the Colorado Metal Mining Fund UNITED...__________________________ Principal rocks of the district.________________________ Pre-Cambrian rocks__..._____ Age_ __________________________________ Boulder Creek granite and related rocks. ____ Distribution |  | | Book | | all left a legacy of buried treasure. Although mining as an industry has never been as productive in...the epic of mining in the United States began in New Mexico. The oldest known surface mine, as well as...indelibly on their minds: 1) Do not enter any old mine unless you are properly equipped and know how to...ahead with your search—and good luck! Bernalillo County—In 1840, San Jose was a little village about five...chest Felipe kept his considerable accumulation of gold. Felipe’s housekeeper was an Indian woman named |  | | Journal (issue) | | M. Moran, master's cand., PSU Quartzville Mining District: S. Munts, master's cand., UofO Columbia River...Formations: A. Niem, prof., OSU North Santiam Mining District: J.P. Olson, master's cand., OSU Columbia River...Blue River Mining District: S.G. (Power) Starch, master's cand., OSU Blue Creek District - massive sulfides:...cand., U of 0 Land use geology of western Curry County: J.D. Beaulieu, DOGAMI, Portland 38 4. 5. 6....27. 28. 29. Land use geology of central Jackson County: J.D. Beaulieu, DOGAMI, Portland Talent quadrangle |  | | Journal (issue) | | 101st STREET LOS ANGELES 44, CALIF. SAN JUAN and COLORADO RIVER EXPEDITIONS Enjoy exploralion, safe adventure...4—Palm Springs Desert Museum Field Trip to Dolomite Mine off Palms to Pines Highway, Palm Springs, California...near Raton. N.M. Dec. 19—Dons Travelcade to Vulture Mine. Wickenburg. From Phoenix, Arizona. D ec . 24 —...NEWS 27 From Here and There on the Desert 29 MINING Current news of desert mines 33 LAPIDARY Amateur...surprised a rosy finch pecking away at a pitted snow patch. Not many birds venture to an altitude of 12,000 |  | | Journal (issue) | | • • DESERT WIND By ETHELYN M. KINCHER Meeker, Colorado The desert wind is a lonely wind As it drifts...cedar tree Is the wind song of the sand. • • • LOST GOLD By BESSIE BERG Rio Linda, California Lost in the...thorn. Our soul cries out at last for water, not for gold! With parching lips, the bitter springs along the...II Cambridge, Massachusetts Such beauty as is mine, is strange to man Who thinks of beauty as a thing...sense of dominion deep within. Which the ore from a mine could never buy. By TANYA SOUTH The bars arc down |  | Melchiorre, Erik, Orwin, Paul, Reith, Frank, Rea, Maria, Yahn, Jeff, Allison, Robert (2018) Biological and Geochemical Development of Placer Gold Deposits at Rich Hill, Arizona, USA. Minerals, 8 (2) 56 doi:10.3390/min8020056 | Journal (article/letter/editorial) | | Geochemical Development of Placer Gold Deposits at Rich Hill, Arizona, USA Erik B. Melchiorre 1,2, * ID ...5500 University Parkway, San Bernardino, CA 92407, USA Department of Earth Sciences, University of California...Riverside, 900 University Avenue, Riverside, CA 92521, USA Department of Biology, California State University...5500 University Parkway, San Bernardino, CA 92407, USA; porwin@csusb.edu Department of Molecular and Cellular...Australia J.W. Mining, Wickenburg, AZ 85390, USA Rob’s Detectors, Surprise, AZ 85374, USA Correspondence: |
|
