 | | Book | | 703-648-6045 or phone 800-USA-MAPS Map 3. Arkansas’ Ouachita Mountains 7.5 Minute Quadrangal Map index...Location 1 Montgomery County quartz deposits................. Other Montgomery County quartz mines.........area................................ 2 Garland County quartz deposits......................... Miller...Saline County quartz deposits............................. 3 Jeffrey Sandstone Quarry, Pulaski County......Pulaski County..................... 5 Dug Hill wavellite, Garland County................... 6 County Pit |  | | Report (issue) | | occurrences ............................................ North Carolina and South Carolina .................................................................... Texas ........................................................................................ Eagle Mountains district .............................................................................. Drum Mountains (Detroit) district .................... Dugway................................................. North Tintic district ............................... |  | | Journal (issue) | | Foord Fluorite from the Pine Canyon deposit, Grant County, New Mexico .............................................................. 47 by R. M . North & R. S. DeMark Mina Tiro Estrella .......................Hanson Ilmenite expitaxial on bixbyite from Sierra County, New Mexico ...................................................................... 65 by R. M . North What's new in minerals? .........................COVER: FLUORITE from the Pine Canyon deposit, Grant County, New Mexico. (See the article on page 47.) The |  | Hammarstrom, J.M., Meier, A.L., Jackson, J.C., Barden, Ryan, Wormington, P.J., Wormington, J.D., Seal, R.R. (1999) Characterization of mine waste at the Elizabeth Copper Mine, Orange County, Vermont. Open-File Report Vol. 1999 (99-564) US Geological Survey doi:10.3133/ofr99564 | Report (issue) | | INTERIOR U.S. GEOLOGICAL SURVEY I 50 | Orange County, VT 50 Kilometers Characterization of Mine Waste...Waste at the Elizabeth Copper Mine, Orange County, Vermont by Jane M. Hammarstrom 1 , Alien L. Meier2...10 South pit area ............................................................... North pit area (Tailings...shown south of Copper Flat is at latitude 43°-50' north, longitude 72° 20' west. .........................of the south pit area. A, Flooded north end of the south pit and haulageway, looking north. B, Gypsum encrustation |  | | Journal (article/letter/editorial) | | Sciences, University of Nevada, Reno, NV 89557, USA Editorial responsibility: W. Schreyer L. C. Introduction...locality at Emigrant Canyon (Ferguson et al. 1951), north-central Nevada (Fig. 1). The Preble consists primarily...the bedded barite at the Little Britches Barite North Pit (Fig. 1). Cymrite occurs exclusivelyin thin-bedded...with dark brown goethite, whereas fine-grained pyrite is completely replaced by goethite and limonitic...showing location of the cymrite occurrence (at the north pit of the Little Britches Mine) Winnemucca 9 ~ eEik~ |  | | Journal (issue) | | the Bandora mine, South Mineral Creek, San Juan County, Colorado .......................................located in southwestern Colorado about 60 airline km north of Du rango. The nearest town, Silverton, is a...facilities. To reach the Bandora mine, one travels north out of Silverton on highway 550, the main all-weather...specimens for any locality. Goethite alpha-FeO(OH) Brown-orange deposits of goethite are present throughout...the Bandora vein, especially rich deposits of goethite, as li monite, have developed, providing the |  | | Journal (article/letter/editorial) | | capped by Eocene freshwater limestones and in the north by a siliceous horizon. The deposit is unusual in...the ‘Mg discontinuity’. Ni concentrations within goethite, the main ore mineral, reach a maximum of ~3 wt...southwestward escape of the Anatolian plate along the North and East Anatolian Faults as the Arabian, African...Çaldağ deposit is located on a horst block to the north of the Gediz Graben (Fig. 1), covers an area of...deposit is capped by carbonate material and in the north by a siliceous horizon. Extensional faulting is |  | | Journal (issue) | | Esmeralda County CALIFORNIA: burnt ore dump, Oceanic mine, San Luis Obispo County TEXAS: Chisos furnace...furnace, Terlingua district, Brewster County The Texan material was used in the initial X-ray analysis,...H ) 7 Status: valid Type Locality: Belmont, Nye County Further analysis of the type material showed it...(Laubanite?) Type Locality: near Manhattan, Nye County This species was never recognized by anyone except...Type Localities: NEVADA: Comstock Lode, Storey County U.S.S.R.: Smeinogorski (Schlangenberg), Altai INDONESIA: |  | Morishita, Yuichi, Hammond, Napoleon Q., Momii, Kazunori, Konagaya, Rimi, Sano, Yuji, Takahata, Naoto, Ueno, Hirotomo (2019) Invisible Gold in Pyrite from Epithermal, Banded-Iron-Formation-Hosted, and Sedimentary Gold Deposits: Evidence of Hydrothermal Influence. Minerals, 9 (7) 447 doi:10.3390/min9070447 | Journal (article/letter/editorial) | | deposit in the Hokusatsu district is about 90 km north of the Nansatsu-type Au deposits (Figure 1). Minerals...kaolinite, dickite, covelline, native sulfur, goethite [27,28] Epithermal high-sulfidation Nansatsu-type...pyrite, native gold, alunite, kaolinite, dickite, goethite [28] Epithermal high-sulfidation Nansatsu-type...sulfur, kaolinite, dickite, smectite, scorodite, goethite [28] Hishikari quartz, adularia, smectite, pyrite...were from the 150 mL bench of the Maruyama open pit. The Akeshi pyrite samples containing covelline and |  | | Report (issue) | | Osgood Mountains and Surrounding Areas, and a Stop at the Golconda Thrust Fault, Humboldt County, North-Central...Mountain Quartzite, Soldiers Pass, southern Osgood Mountains .......... Osgood Mountain Quartzite at barite...Formation, Hogshead and Felix Canyons, Osgood Mountains ............ Valmy Formation, east side of Hot...map showing mountain ranges in southern Humboldt County, Nevada. .................................. 2....Pass and at a barite mine in the southern Osgood Mountains, and Valmy Formation in the southeastern Hot Springs |  | Ayuso, R. A., Wooden, J. L., Foley, N. K., Seal, R. R., Sinha, A. K. (2005) U-Pb Zircon Ages and Pb Isotope Geochemistry of Gold Deposits in the Carolina Slate Belt of South Carolina. Economic Geology, 100 (2) 225-252 doi:10.2113/gsecongeo.100.2.225 | Journal (article/letter/editorial) | | from the argillic alteration zone in the Brewer pit and felsic ash-flow tuff from the quartz sericite...lithic rhyolitic ash-flow tuffs from the Champion pit), and from the Ridgeway deposit (felsic ash-flow...ash-flow tuff from the stratigraphic host of the North pit gold deposit). Generally, the zircons are fine grained...AL. Eastern USA Virginia Carolina Slate Belt Study area Brewer Ridgeway Haile North Carolina N...are distributed throughout portions of eastern North America northward to Maritime Canada (O’Brien et |  | | Report (chapter) | | 24, 2015 The hydrogeochemical dynamics of mine pit lakes R. J. B O W E L L S R K Consulting, Windsor...likely to fill with water and thus develop a mine pit lake (MPL). This body of water remains as a permanent...sulphate and depressed pH. The prediction of future pit lake water quality within a MPL is, therefore, essential...these in turn. Consequently, in order to predict pit lake water quality it is essential to understand...limnological processes that influence water quality. Open-pit mining has become a common place method for extraction |  | | Book | | OF THE PORPHYRY COPPER DEPOSITS Southwestern North America oe ‘ ” MohBy yy a i; ¢ ¢ ¢ GEOLOGY...OF THE PORPHYRY COPPER DEPOSITS Southwestern North America Edited by SINCE RoR EEL LEY. Department...In southern Yuma County he even discovered and named a whole new range of mountains during the course...specific mention are the mapping in southern Yuma County, studies on gold lode and placer deposits, work...Trends—Precambrian Northeast Structural Trends— North-South (Meridional) Structural Trends—Front Range |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Humboldt County and the crystalline quartz collecting area on Petersen Mountain in Washoe County, permission...underground mines are particularly hazardous, but open-pit mines and even small open trenches can be dangerous |  | Anand, R.R., Hough, R.M., Salama, W., Aspandiar, M.F., Butt, C.R.M., González-Álvarez, I., Metelka, V. (2019) Gold and pathfinder elements in ferricrete gold deposits of the Yilgarn Craton of Western Australia: A review with new concepts. Ore Geology Reviews, 104. 294-355 doi:10.1016/j.oregeorev.2018.11.003 | Journal (article/letter/editorial) | | The principal constituents of these units are goethite, hematite, maghemite, kaolinite and quartz. They...features in ferricrete in natural outcrops and mine pit walls 8 Mechanisms of formation of nodules and pisoliths...gravels and duricrust have been targeted by open pit mining, either as the sole resource or as a precursor...weathered regolith composed dominantly of hematite-, goethite- and kaolinite-rich pisoliths and nodules. They...rainfall 600–>1000 mm pa), to semi-arid in the north and east (mean rainfall <200 mm pa) (Figure 4C) |  | | Journal (issue) | | interconnection - Spain Water quality in pit lakes — gold deposits - Nevada, USA Imprint Environmental Geology...knowledge and experience. Major Secaucus, NJ 07094, USA Tel. (201) 348-4033, Telex 0023-125 994, Fax (201)...price: approx. US $103.65) including carriage North America. Recommend nservice und Druck GmbH &...Monitoring Road P. O. Box 1428 Sequim, WA 98382, USA e-mail: degrosbois@aol.com Ormond L. HuDsoN Applied...Soils Research USA 19103, USA James W. LAMoREAUX P. O. Box 2310 Tuscaloosa, AL 35403, USA GWENDOLYN Ziirich |  | | Show/Event (guide) | | Rossmanite and associated minerals from Newcomb, Essex County, NY by M. Lupulescu & J. Rakovan T h e minerals...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New York by M. R. Walter, S. C. Chamberlain, R...Road Wollastonite Deposit, Pitcairn, St. Lawrence County, New Y o r k by S. C. Chamberlain, M. R. Walter...River Beryl (variety emerald) Showing, Mackenzie Mountains, Northern Canadian Cordillera, NWT, Canada by...Pyrochlore-group minerals form the Wausau Complex, Marathon County, W I by T. W. Buchholz, A. U. Falster, and W. B | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hurnbo ldt County and the crystalline quartz collecting area on Petersen Mounta in in Washoe County, permission...underground mines are particularly hazardous, but open-pit mines and even small open trenches can be dangerous |  | | Report (issue) | | because of environmental problems resulting from open-pit mining activities that occurred from 1984 to 1992...acid mine waters at the Summitville mine site. Open-pit mining at the site exposed abundant sulfide-bearing...Consolidated Mining Company, Inc. (SCMCI) operated an open-pit gold mine at Summitville. The mining process exposed...include the South Pit (SP-1), the North Pit (NP1-S5) (both from within the open pit area), the top of...waste dump (CW2, CW3), the North Dexter vein (ND1, ND2, ND3-I, ND3-II), the North waste dump (NDP), the |  | | Journal (article/letter/editorial) | | Miarolitic Cavity Minerals of the GOVERNMENT PIT, ALBANY New Hampshire Downloaded by [University of...Libraries] at 13:18 27 March 2015 GENE T. BEARSS 33 North Avenue Sanford, Maine 04073 BOB JANULES 17 Woodward...(top): View of exposed ledges in a part of Government Pit of interest to mineral collectors. Photo by Ernie...its ledges are now buried under fill, Government Pit is regarded as one of New Hampshire’s premier mineral...given for them was Government Pit, with the town noted as Conway, North Conway, Bartlett, or Albany, New |  | | Journal (article/letter/editorial) | | predominantly granitoids, that are crossed by north-northwest-trending belts of greenstones. It has...of least soluble minerals (kaolinite, hematite, goethite, maghemite, gibbsite, anatase and boehmite) and...neoformation of several generations of hematite, goethite, kaolinite and gibbsite may occur. Poorly crystalline...operating in humid regions of the Darling Range, where goethite-rich ferricrete is forming on the edges of valley...duricrust continues by dissolution of gibbsite and goethite. In the Kalgoorlie region, ferruginous duricrust |  | | Journal (issue) | | Schmitt. 812 lmperialCourt, Hartland, Wisconsin 53029 USA. Tel: (0414)3673674 U.S. $7 .50 inc. p & p per issue...Motor Inn, 5700 Pacific Highway East, Tacoma.WA. USA. Tel. (206) 922-0080. TORRINGTONS FIRST GEM and...connellite, hematite, goethite and paratacamite. LOCATION Botallack Mine is situated north-west of St. Just...Just and one mile north-west of the village of Botallack. The engine houses on the Crowns Rock are situated... I CARNYORTH SECTION: I. Great Work!. Shaft 2. North Shaft 3. Rodd·s Shaft 4. Stock Shaft 5. Guide Shaft |  | | Journal (article/letter/editorial) | | Weathering-Related Magnetite-, Hematite-, and Goethite-rich Iron Ore THOMAS ANGERER† AND STEFFEN G. HAGEMANN...(mainly small-scale F1a and F1b folds, formed in a north-south to northwest-southeast compressional regime)...% Fe) magnetite-, martite-, specularite-, and goethite-bearing orebodies can be subdivided into four...of carbonate (and minor quartz), pseudomorphic goethite replacement of existing iron oxides and gangue...pseudomorphic replacement of gangue minerals with goethite (Morris et al., 1980). In hypogene models, hydrothermal |  | | Report (issue) | | General Geology of Santa Rita Quadrangle Grant County, New Mexico By WILLIAM R. JONES, ROBERT M. HERNON...Geologic map of the Santa Rita quadrangle, Grant County, N. Mex._____________________________ In pocket...Geologic sections of the Santa Rita quadrangle, Grant County, N. Mex___________________________ In pocket Geologic...Copper Flat area, Santa Rita quadrangle, Grant County, N. Mex____ In pocket Index map of New Mexico_... GENERAL GEOLOGY OF SANTA RITA QUADRANGLE GRANT COUNTY, NEW MEXICO By WILLIAM R. JONES, ROBERT M. HERNON |  | | Report (issue) | | Deposits. Central Arizona: Jerome Camp and Bradshaw Mountains March 21-23, 1986 Leader: P. O'Hara (Kaaterskill...DEPOSITS, CENTRAL ARIZONA: JEROME CAMP AND BRADSHAW MOUNTAINS Leaders: Coordinators: Patrick F. O'Hara (Kaaterskill...Proterozoic Greenstone Belts, Jerome Camp-Bradshaw Mountains (M~rch 21, 22 & 23) Reel: Name: Prot Gr 7. $130:...DEPOSITS, CENTRAL ARIZONA: JEROME CAMP AND BRADSHAW MOUNTAINS March 21-23, 1986 General Leaders: Patrick F...DEPOSITS, CENTRAL ARIZONA: JEROME CAMP AND BRADSHAW MOUNTAINS .ROAD LOG AND TRIP GUIDE Patrick F. O'Hara 1 |
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