 | | Report (issue) | | Geology and Ore Deposits of the La Plata District Colorado By EDWIN B. ECKEL with sections by J. S. WILLIAMS...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund UNITED STATES...along the Animas River. _ _ _ Lithology in La Plata district _ _______ Permian system____________________________...along the Animas River._____ Localities in the La Plata quadrangle __ Collections from the Rico formation_____...its tributaries..__________ Localities in the La Plata quadrangle __ Interpretation of the Rico collections |  | | Journal (article/letter/editorial) | | Ora y Plata meaning “gold and silver,” and the state seal with its representation of mining tools clearly...clearly proclaim Montana’s mining origins. Montana’s production of copper, coal, gold, lead, manganese...published describing the occurrence, collecting, mining, and cutting of the two state gemstones. Figure...2. Granville Stuart established Montana’s first mining camp at Gold Creek in 1860. Geologic Provinces...MICHAEL J. GOBLA 19055 East Bethany Place Aurora, Colorado 80013 gobla@copper.net Unless otherwise noted |  | | Journal (issue) | | Liar's conlest New Year's eve, in Borrego Valley, California. Jan. 1—Annual presentation of "The Messiah"...sponsored by Women's Ten Thousand club, El Centro, California. Jan. 13-14 — Annual downhill ski championship...heart of the Little San Bernardino Mountains, California. Dry camp in Box Canyon. Jan. 21—Phoenix Don's...of the Colorado desert. Overnight camp at Cottonwood Springs, 25 miles east of Indio, California. Jan....Southwest Museum, Highland Park, Los Angeles, California. JANUARY, 1951 Volume 14 COVER CALENDAR POETRY |  | | Report (issue) | | INDEX OF MINING PROPERTIES IN COCHISE COUNTY., ARIZONA by Stanton B. Keith Geologist Bulletin 187...research and provide information about exploration. mining. and metallurgical processes that are needed in...Technology Branch J. Brent Hiskey Assistant Director Mining and Mineral Resources Researchlns~tute Orlo E...Affirmative Action Employer. INDEX OF MINING PROPERTIES IN COCHISE COUNTY, ARIZONA by Stanton B. Keith Geologist...produce copper. The Warren (Bisbee) mining district, which includes this mine, yielded 167,242,000 tons of ore |  | | Journal (issue) | | Mandarino Famous mineral localities: the Ichinokawa mine, Japan ............. 229 ': Rotors w^c; ; 'v Tampa...Mineralogy of the Bandora mine, South Mineral Creek, San Juan County, Colorado .......................... Calcium arsenate minerals new to the Getchell mine, Nevada ..........................................Friends of Mineralogy 622 Gardenia Court, Golden, Colorado 80401, 303-279-7796 The Mineralogical Record...Peter Bancroft 3538 Oak Cliff Dr. Fallbrook, California 92028 normous stibnite crystals, universally |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...SPECIMENS from the collection of the Geology Museum, Colorado School of Mines. See page 242 for a full description... All rights reserved. notes fromthej EDITOR COLORADO-III Here we are with our third special issue devoted...devoted to the mines and minerals of Colorado. As most long-time subscribers know, the first in the series...about $200 on the out-of-print market. The second Colorado issue was vol. 10, number 6 (1979), and we still |  | | Book (volume) | | dikes ranking with those in Maine and Southern California for their production of gems and minerals. The...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 |  | Lynch, J.V.G, Longstaffe, F.J, Nesbitt, B.E (1990) Stable isotopic and fluid inclusion indications of large-scale hydrothermal paleoflow, boiling, and fluid mixing in the Keno Hill Ag-Pb-Zn district, Yukon Territory, Canada. Geochimica et Cosmochimica Acta, 54 (4) 1045-1059 doi:10.1016/0016-7037(90)90438-q | Journal (article/letter/editorial) | | Copyright (c: 1990 Pergamon Press plc. Pruned in USA + .oo Stable isotopic and fluid inclusion indications...boiling, and fluid mixing in the Keno Hill Ag-Pb-Zn district, Yukon Territory, Canada J. V. G. LYNCH,’ F. J...During mineralization, the quartzite acted as a district-scale aquifer. Subsequent erosion has exposed...boiling on isotopic signatures in the Keno Hill district are investigated. In general there is widespread...the use HISTORICALLY THE KENO HILL Ag-Pb-Zn mining district has been a significant producer of Ag, Pb, |  | | Book | | Kerby Jackson All Rights Are Reserved JACKSON COUNTY LIBRARY SERVICES MEOi-ORO OREGON 97501 SIDVASS...North West Oregon's Lost Mining Districts The Mining Law and You The Mining Law of 1866 When Chrome...Strike At Rich Gulch Mining in Jackson County in 1870 Mining in Josephine County in 1870 Galice Gold Enos...of Gus Lindholm Photo Credits Cover: Hydraulic Mining in Oregon, Commons Wikimedia.org, Rear Cover: Sumpter...Kerbyville, Author collection, Page 92: Bunker Hill Mine Crew, Sharon Crawford Browntown and Hogtown Today |  | | Report (issue) | | 1035 A view of the main ore zone at the Carlin mine, Nevada. Popovich Hill is on the left and is underlain...geophysical exploration techniques, deposit and district studies, and laboratory research, the program...Paradise Peak gold-silver-mercury deposit, Nye County, Nevada-by David A. John, Robert E. Thomason, Charles...veins and breccias in the Mesquite district, southeastern California-by G.F. Willis, R.M. Tosdal, and S...mineralization in the northern Basin and Range province, California, Nevada, Oregon, and Idaho-by James J. Rytuba |  | | Report (issue) | | · as a joint program of the Manhattan Engineer District and its successor, the U. S. Atomic Energy Commission...Donald G. Wyant Howard D. Zeller Harrison Brown (California Institute of Technology) L. W. Carithers N. J...Robert K. Pitman Byron J. Sharp Leon T. Silver (California Institute of Technology) Hobart E. Stocking Ernest...the Central City district and adjoining areas, Gilpin and Clear Creek Counties, ·Colorado, by Paul K. Sims...deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard, J |  | | Report (volume) | | University Dr. • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg. 3, Rm. 3128, 345...Generalized geologic map of the Golden Sunlight mine area..............................................Photomicrograph of mineralized rhyolite, Golden Sunlight mine................................................... 5 6 Sample locality map of the Golden Sunlight mine area..............................................of rhyolite and tonalite from the Golden Sunlight mine area........................ 11 Chondrite-normalized |  | | Report (issue) | | oxyhornblende (6 percent), clinopyroxene (1 percent), and sadie andesine (An Tram _ ) (more than 1 percent). Thickness... of oscillatory-normal zoned calcic oligoclase-sadie andesine (An _ ) 28 35 (7-10 percent), embayed...groundmass. Sill is localized at the base of the Percha Shale. Maximum thickness 200 ft (61 m) Tkn KNEELING...medium-grained rock containing orthoclase (0.5 percent), sadie _ ) (65 percent), quartz ~1 percent), hornblende...Porphyritic with about 20 percent phenocrysts of sadie andesine (An a pilotaxitic groundmass. _ ) and |  | | Journal (issue) | | .............. 383 OPALIZED WOOD OF MESA COUNTY, COLORADO. BJ' UV. C. l\1inor ........................Zo:!ac .............. IMPORTANT FOSSIL FINDS IN COLORADO ................................ 381 386 388...vicinity of Thomsonite Beach near Grand M arais, Cook County. (See inset key map) Thanks to the recent relocating...preexisting openings or spaces, such a-; bubble holes in la,·a flows or along joint, in these and other rocks...brown beds of loosely consolidated sandstone and shale. Ri pple marks, mud cracks, and other evidence of |  | | Book (edition) | | - Temecula, CA 92589 (909) 699-4749 - 1994 Mining Guide TABLE OF CONTENTS INrRoDUCI'ION ••••••••........................................ AR 1-3 California .................................................................................... CAl 119 Colorado .............................. ...................... . 1994 Mining Guide INTRODUCTION IMPORTANT - PLEAsE READ! The 1994 GPM Mining Guide is designed...(normally listed from north to south), directions and mining commen ts; gold-producing areas, general prospecting |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Report (issue) | | AURIFEROUS GRAVELS OF THE TRINITY RIVER BASIN, CALIFORNIA. By J. S. DILLER. INTRODUCTION. The Trinity...Trinity River region, in northwestern California, has long been worthily noted for its mines, especially the...regularity ever since. Besides the La Grange mine, the largest hydraulic mine now in active operation, it contains...mines, particularly in the northern portion of the county. Large bodies of gravel of lower grade yet remain... Murphy, of the Union Hill mine; Mr. Pierre Bouery, of the La Grange mine; Mr. W. D. Ayers, of Poker |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |  | | Journal (issue) | | 29—Annual Fall Roundup, Hi Vista, Lancaster, California. Oct. 31 — Hallowe'en Mardi Gras, sponsored by...Spanish villages. Nov. 4-5 — Sierra Club, Southern California chapter, will hike to Last Chance Canyon, near... New Mexico. Photo b y J. E. Byron, Boulder,. Colorado. CALENDAR November events on the desert 3 ...WEIGHT 4 HISTORY FICTION PERSONALITY Nov. 11-12—Colorado River Roundup, Parker, Arizona. ARCHEOLOGY Nov...Sequoia. Mineral society, Fresno district fairgrounds, Fresno, California. Nov. 23—Desert Sun Ranchers Rodeo |  | | 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 |  | | Report (volume) | | 4, 5, 8; Museum Paper, nos. 5, 6; County Report, no. 1 (Clay County). Montgomery, Ala. Alberta, Scientific...vols. 3-12. Tulsa, Okla. American Institute of Mining Engineers: Bulletin, nos. 145-156; Technical Publication...1-157; Transactions, vols. 60-76. New York. See also Mining and Metallurgy. American Journal of Science, 4th...Paleontology, nos. 31, 33-53. Ithaca, New York. California Academy of Sciences: Proceedings, 4th ser., vols...vols. 9-17. San Francisco, Calif. California State Mining Bureau: Bulletins 79, 85-101. San Francisco |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...Upper Cretaceous ______________________ _ Benton shale ______________________ _ 7 8 8 12 15 19 19 19...Cretaceous-Continued Niobrara formation ________________ _ Pierre shale _____________ '~ _________ _ Fox Hills sandstone |  | | Report (volume) | | M.E., Mining Geology GeopJiysics ·v. Ann. Mtg., Abs. Tech. PapersAmerican Institute of Mining a d Metallurgical...Metallurgical Engi:peers, :Mining Geology Geophysics Division Ann I Meeting, Abstracts of Techpical Papers...Mines Bull.; Mineral Inf. Service; Special Rept. -California Department of Natural Resources, Division of...Geology-California Journal of Mines and Geology. San Francisco, Calif. Calif. Oil Fields-California Oil Fields...Francisco, Calif. Calif. Univ. Pubs. Geol. Sci.-California University Publications in Geological Sciences |  | | Report (volume) | | "Names and Definitions of the Geological Units of California," Bulletin 826, by M. Grace Wilmarth. This work...reference for geologists who worked exclusively in California. The first exhaustive con1pilation, M. Grace...25). Bluish- to yellowish-gray clayey and sandy shale containing a persistent coal bed (Nodaway), ranging...feet in thickness, and a pers-istent black fissile shale in many outcrops. Thickness ranges from about 2...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone |  | | Report (issue) | | of Ore Deposition in the Creede District San Juan Mountains Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER...487 Prepared in cooperation with the Colorado State Metal Mining Fund Board Geology and Structural Control...of Ore Deposition in the Creede District San Juan Mountains Colorado , By THOMAS A. STEVEN and JAMES...487 ·Prepared in cooperation with the Colorado State Metal Mining Fund Board UNITED STATES GOVERNMENT...Geologic formations ________________________________ _ La Garita Quartz Latite ________________________ _ Rhyolite |
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