 | Milton, Jack E., Hickey, Kenneth A., Gleeson, Sarah A., Falck, Hendrik, Allaz, Julien (2017) In Situ Monazite Dating of Sediment-Hosted Stratiform Copper Mineralization in the Redstone Copper Belt, Northwest Territories, Canada: Cupriferous Fluid Flow Late in the Evolution of a Neoproterozoic Sedimentary Basin. Economic Geology, 112 (7) 1773-1806 doi:10.5382/econgeo.2017.4529 | Journal (article/letter/editorial) | | Massachusetts, Amherst, Massachusetts 01003–9297, USA Abstract The 300-km-long Redstone copper belt in...mineral association with dolomite, K-feldspar, albite, quartz, monazite, apatite, and pyrite that partially...chalcopyrite), calcite, dolomite, quartz, K-feldspar, and albite were also deposited in rare bedding-parallel veins...University of Colorado, Boulder, Colorado 80309–0399, USA. doi: 10.5382/econgeo.2017.4529 0361-0128/17/1773-34...One of the best-dated SSC deposits is Spar Lake, Montana, where xenotime rims on detrital zircons have a |  | | Report (volume) | | geology of an area of about 750 square miles in Jefferson, Wasco, Crook, and Wheeler Counties, Oregon. About...this report covers about 750 square miles of Jefferson, Wasco, Crook, and Wheeler Counties in north-central...Wells of the U.S. Geological Survey and Richard L. Hay of the University of California made many helpful...underlie the Eocene Clarno Formation southeast of Hay Creek Ranch (pi. 1). The rocks dip mostly 15° to 30°...fine sand capping flat-topped hill north of Trout Creek. 0-50 Pliocene or Pleistocene Basalt Flows of |  | | Report (volume) | | ....................................... 102 District of Columbia ......................................... 139 144 146 153 158 163 169 . 172 174 Montana..................................................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 (volume) | | Morrison Formation, and Inyan Kara Group 36 Skull Creek Shale, Newcastle Sandstone, and Mowry Shale 36 Belle...Mineral resources locatable commodities 50 History of mining and exploration 50 Metals 51 Industrial minerals...is endowed with a wealth of mineral resources. Mining and exploration in the Forest have played a central...production began in 1874 when gold was found in creek beds near Custer. The search for more gold led prospectors...category of locatable commodities by the General Mining Law of 1872. The principal types of deposits considered |  | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below)...cut near Pinehurst, Adams County; Lanny Ream specimen and photo. Ada County Lucky Peak Dam, on east side |  | | Report (issue) | | orthoclase or microcline, though a plagioclase, albite, or oligoclase is present in some pegmatites, and...irregular in shape and are very difficult to follow in mining. Some pegmatite bodies lie conformable with the...5| miles southwest of Ouster, between Hay Creek and Fourmile Creek. The mine is in a small prominent hogback-like...knob is nearly 200 feet higher than the level of Hay Creek on the southeast, and about 100 feet higher than...the gentle slope from its base to the valley of Hay Creek. The earlier work at the New York mine consisted |  | | Journal (issue) | | . 103 An exposure of limestone at Gray Bune, Jefferson COUnlY, Oregon...... .. . . . . . ... 107 Chemical... An exposure of limestone at Gray Butte, Jefferson County, Oregon by Melvin Ash will. retired public...Butte is a 5,IOS-ft promontory in southern Jefferson County, Oregon (Figure I). The area, mapped as Oligocene-Miocene...showing location of Gray Butte limestone, Jefferson County, Oregon. SEC. 22 ,-'-- "v\ " ". ... _...Oregon Bookstore. ]47 p. Brogan, P. F" 1957, Jefferson County reminiscences: Ponland, Oreg .. Binford and |  | | Report (issue) | | Boise Basin pAB, Pascoe Basin HH, Horse Heaven mining district PB, Paulina Basin J, John Day and John Day...ACKNOWLEDGMENTS papers are those by Waters and others (1951), Hay Preparation of this series of volumes on the geology...Waters and others (1951) for the Horse Heaven mining district of Oregon, where the total thickness is about...described posite thickness of about 820 m near Mitchell (Hay, 1963) sequences of rocks. and 760 m near Picture...of (basalt of) neville chemical type o Dinner Creek Welded Tu 15 M, ~ Ash-now turn-IBM Flows, breccias |  | | Report (volume) | | Coast region................................. 61 District of Columbia.................................................................................. Montana............................................................................................... Montana .......................................................................................... 302 District of Columbia......................................:.........'........................... 303 Montana............................................... |  | | Book (edition) | | Chapters on the Coeur d'Alene Mining District, the Blackbird Mining District, and the Sawtooth Mountains...Chapters on the Coeur d'Alene Mining District and the Blackbird Mining District, and to Ben Sheppard for reviewing...reviewing the chapter on the Blackbird Mining District. Those who contributed photographs, or specimens...are with mine names and occasional1y mining district names. Mining districts, generally are not now formally...the Coeur d'Alene District is the name presently used for the entire silver district that runs from Kellogg |  | | Book (volume) | | California and Maine, the sparkling sapphires of Montana, and the jades of Alaska, British Columbia,...Kansas, Alabama, Ohio, Oklahoma, Arkansas, Wyoming, Montana and Illinois. Detailed information on the State...Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...Inc., formerly of Helena, Montana, supplied data on the production of Montana alluvial sapphires. Oregon...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...Miners' Association Cal St :M Bur California State Mining Bureau Can G S Canada, Geological Survey Can :M...Adams (F D), 18 Federal Government, relation to the mining industry: Hayes, 06 Fossil insects: Cockerell,...to geology: Davis ( W M), 12a Geologic bases of mining law: De Kalb, 10 Geologic basis for artesian prediction:...relations: Branner, 90a; relations to successful mining: Winslow, 9lc Geological work in the Southwest: |  | | Book (edition) | | ALASKA Stewart's Jewel Jade Claims, located at Dahl Creek. Stewart's Photo Shop, 531 4th Ave., Anchorage,...CALIFORNIA A. Wilson, Box 281, Baker. CA 92309. "Sheep-Creek Camp." No fees. Near several good sites. Ron Everett...25^ each additional poundManhattan Mine. One Shot Mining Co-, General Delivery, Lower Lake, CA 95457* Fee:...cabinsMrs. Leza Junnila, Jade International, Clear Creek Road, Palcines, CA 95043* Open all year. Free camping...Devil*s Hole Mine. The Tezak Brothers, Texas Creek Cafe, Texas Creek. CO. Fee: $2.00. Obtain permit at cafe |  | | Report (issue) | | of the Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...of the Precambrian Crystalline Rocks, Park and Jefferson Counties, Colorado By C. C. HAWLEY and R. A. WOBUS...DEPOSITS OF THE SOUTHERN TARRYALL REGION, PARK AND JEFFERSON COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...of the Precambrian crystalline rocks, Park and Jefferson Counties. (Geology and ore deposits of the southern...southern Tarryall region, Park and Jefferson Counties, Colorado) (Geological Survey Professional Paper |  | | Report (volume) | | viii-ix. The physical geology of the Grand Canon district, by Clarence E. Button, pp. 47-166, pis. x-xxxvi...Abstract of report on geology and mining industry of Leadville, Lake County, Colorado, by S. F. Emmons, pp...of'the geology of the Comstock lode and the Wash oe district, by George F. Becker, pp. 291-330, pis. xlvi-xlvii...xviii-xxiii. Abstract of report on'geology of the Eureka district, Nevada, by Arnold Hague, pp. 237-290, pis. xxiv-xxv...ii-xxx. Abstract of a report on the mining geology of the Eureka district, Nevada, by Joseph Story Curtis |  | | Report (issue) | | Report 21, 10 p. Aase, J.H., 1977, South Dakota, in Mining and mineral operations in the north-central states;...Ackerman, Walter, 1953, Louis Beryl Pegmatite, Custer County, South Dakota: Rapid City, South Dakota School...1952, Peerless Pegmatite, Keystone, Pennington County, South Dakota: Rapid City, South Dakota School...map and sections, Burnt [Burt?] Mica Mine, Custer County, South Dakota: U.S. Geological Survey Open-File... Adams, J.W., 1953a, Aladin Mica Mine (Custer district), in Page, L.R., Norton, JJ., Stoll, W.C., Hanley |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...gem minerals. A sharp sliver of agate, such as Montana moss agate, is also useful to test minerals near...the sapphires in the Missouri River near Helena, Montana, and the star garnets of Idaho. Distribution in...fundamental clue to gem locations. Since hardrock mining is too expensive for amateurs, the hobbyist will...which to search. Some locations long abandoned as mining sites have been included because of renewed interest |  | | Journal (issue) | | Champagne-yellow, 1O.25-carat gemstone from Lake County is owned by the Columbia-Willamette Faceters Guild... Stratigraphy of the Standard Kirkpatrick No.1, Gilliam County, Oregon: New insight into Tertiary tectonism of...and Vigrass, 1965), or the undated rocks near Hay Creek and Muddy Ranch (Peck, 1964). The lack ofpreservation...in weight percent. Q=quartz; Or=orthoclase; Ab=albite; An=anorthite; Di=diopside; Hy=hypersthene; Il=ilmenite...unusual; these two elements are highly mobile. In fact, Hay (1963) \_---- • • . • • OREGON GEOLOGY, VOL |  | | Report (volume) | | Underlies Church limestone member; overlies Bachelor Creek limestone member. M. R. Mudge, C. P. Walters, and...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Precambrian. Well exposed at many places along Aaron's Creek, Person and Granville Counties, N.C. Abbott Formation...Babylon sandstone, Manley coal, Tarter coal, Pope Creek coal, and Bernadotte sandstone. Report presents |  | | Report (volume) | | General features____________________________ Coosa County _________ ____________________ Randolph County...region_________________________ Texas Creek region _________________ _ _ Jefferson County_____________________________...Cherokee County_____________________________ 72 Elbert County _____________________________ 75 Hall County__...County_______________________________ 76 Hart County. ___ __ __________________ 77, Lumpkin and Union counti...___________ S3 Pickens County _______-______________________ 83 Rabun County-_____________________________ |  | | Report (issue) | | 11 . 12. 13. 14. 15. 16. Custer on French Creek The Holy Terror and Keystone Mines, Keystone The...Burke's Quarry near Odell, looking northwest Elm Creek Quarry in Jurassic Sandstone. b. G3r psum Layers...visit representative mines and quarries in every district, and to interpret carefully the information Attention... Introductory. The quarter century of active mining operations in the Black Hills has little more than...prosperous towns and productive ranches prevail, and mining facilities are in many ways unsurpassed. Gold found |  | | Report (volume) | | 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...Mills PUMPS, COMPRESSORS, OIL AND GAS ENGINES, MINING AND SMELTING MACHINERY CTON m "The Paramount...books cover practically all dead as well as live mining shares. Made in the following sizes: \QUAUTY |  | | Journal (issue) | | prism faces, particularly those from the famed Elk Creek locality in South Dakota. Another common form consists...uncommon for A specimen from El Portal, Mariposa County, California. Size, 2½"x1¾#x¾". 14 - JUNE 1981...minerals, particularly calcite, celestite, gypsum , albite, danburite, cerussite. anglesite, and chisel-shaped...one from the M inerva Mine, Cave In Rock , Hardin County, 1llinols. Size, 2"x1 ½ "x¾". The Many Forms..."x1 ¾". 0) From the Sherman mine; Leadville, Lake County, Colorado; 2"x2"x¼ " . E) "Rose" from near Norman |  | | Report (volume) | | Cleburne County. Absaroka Supergroup/Volcanic Supergroup U ABRK03 1. Eocene 2. Wyoming (NW), Montana 3. Smedes...m 8. Washburn Group, Sunlight Group, Thorofare Creek Group g. Unconformably underlies Junction Butte...volcanic field, Yellowstone National Park, Park County, Wyo. Academy Church Shale Member (Springer Formation)...W1/2NW1/4NE1/4SE1/4 sec. 1, T. 3 s., R. 2 E., Carter County. Adams Formation ADMS01 1. Holocene 2. Alaska (SE)...Quadrangle, lat 45° N., long 70°50'-55' W., Oxford County. Adamstown Member (Frederick Limestone) U ADMS06 |  | | Report (issue) | | Geologic map and sections, Fourmile quadrangle, Custer County, South Dakota. 22. Geologic map and sections of...ABSTRACT k., is on The Fourrnile quadrangle, Ouster County, S. Dak., the southwest side of the Black Hills...side of the low-temperature part of 1 he quartz-albite-orthoclase-water system, whereas the composi tion...good secondary roads cross the area. Logging and mining trails are so numerous that, during the summer...and Lightning Creeks join to form Pleasant Valley Creek, which empties into the Cheyenne River west of Hot |
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