 | | Report (issue) | | of the Baird Mountains quadrangle, northwestern Alaska by S. M. Karl , U. R. Thompson , and J. M. Schmidt...standards and strati graphic nomenclature. Anchorage, Alaska 1985 Introduction The Baird Mountains 1:250...resource potential at the turn of the century. The area was initially mined for coal and placer gold deposits...(table 1). The subject index includes topical, area specific and regional categories. References designated...Geological Survey bibliographies, and State of Alaska bibliographies. References include state and federal |  | | Journal (article/letter/editorial) | | SulfurIsotopesof the Ruby Creek CopperProspect,Bornite,Alaska DONALD D. RUNNELLS Abstract The Ruby Creek copperprospectis...Brooks Range, 300 miles northwest of Fairbanks, Alaska. The dominantstructureof the districtis a large...of the KogoluktukRiver, about7 miles east of Ruby Creek. The depositis stratiform. The sulfidemineralization...vertically aboveand below central channelways. Cymrite (BaA12Si208'H20) appearsto be a characteristic...copper prospect nowbeingexplored Geo#raphy.--TheRuby Creek deposit(the camp by BearCreekMiningCompany of Kennecott |  | | Journal (article/letter/editorial) | | 1592-1618 Geologyand Mineralization of the Ambler District, NorthwesternAlaska MURRAY W. HITZMAN, ChevronResourcesCompany...Hunt, Ware and Proffett,P.O. Box 111253, Anchorage,Alaska 99511 JEANINEM. SCHMIDT,* Departmentof Applied...Abstract The Ambler district is located along the southernmargin of the BrooksRange, Alaska. Mineral explorationsincethe...explorationsincethe late 1950s in this remote area hasled to the discoveryof a numberof volcanogenic mass...maficvolcanicrocks. Introduction District locationand history River, or foot. Explorationin the area beganin the late |  | | Journal (article/letter/editorial) | | 1964 N,{INERALOGICALNOTES CYMRITE IN A COPPERDEPOSIT,BROOKSRANGE, ALASKA DoNar,n D. RuNxnr-ts, Department...from a copper prospect at Ruby Creek, in the Cosmos Hills, Brooks Range, Alaska, *-ray and optical examination...examination shows the presence of cymrite, a rare hydrous barium aluminum silicate(2BaO.2+ Al2q.5 SiOr.3...thespecimens.The cymrite occurs from near the surface to depths of several hundred feet. The Ruby Creek prospectis...longitude, about 300 miles northwest of Fairbanks, Alaska. The Cosmos Hills comprise one of the many outlying |  | | Report (issue) | | BaAl2 Si2 (O; OH)8 ² H2 O Cymrite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic...¯ = 90± X-ray Powder Pattern: Brooks Range, Alaska, USA. 2.96 (100), 3.96 (90), 2.67 (70), 7.71 (50)...Benallt mine, Wales. (2) Pacheco Pass, California, USA; by electron microprobe, theoretical H2 O added....copper-bearing deposit in dolostones and siderites (Ruby Creek, Alaska, USA); in jadeite graywacke near the contact...Franciscan Formation (San Benito Co., California, USA); a product of high-pressure metamorphism of manganese-rich |  | | Journal (article/letter/editorial) | | 1644-1674 Geologyof the Ruby Creek Copper Deposit, SouthwesternBrooksRange,Alaska MURRAY W. HITZMAN* Departmentof...Stanford,California 94305 Abstract At RubyCreek,Alaska,a 1-km-diameter bodyof hydrothermal dolostone cutsthroughover...complexalterationsequenceis recognizedin the Ruby Creek body which showsdistinct variationswith depth...Circle (Fig. 1). Mineralizationsimilarto that at Ruby Creek is foundalongthe entire northernflankof the ...THERubyCreek(Bornite)copperdepositis located in theAmblerdistrict,Alaska,approximately 350 km CosmosHills (Fig. 2) whic |  | Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, Donald, Robinson, M.S., Smith, T.E., Yeend, W.E. (1988) Metallogeny and major mineral deposits of Alaska. Open-File Report Vol. 1988 (88-73) US Geological Survey doi:10.3133/ofr8873 | Report (issue) | | SURVEY Metallogeny and Major Mineral Deposits of Alaska by 1 Thomas K. BundtzenS 7 Henry C. Berg 0"3 ,...endorsement by the U.S.G.S. ' U.S. Geological Survey ^ Alaska Division of Geological and Geophysical Surveys...unpublished data on metalliferous mineral deposits of Alaska, and on recent and older published articles and... universities, the U.S. Geological Survey, the Alaska Division of Geological and Geophysical Surveys... Andersen, Resource Associates of Alaska, Inc., Fairbanks, Alaska Roger P. Ashley, U.S. Geological Survey |  | | Report (issue) | | Ambler River Quadrangle, Alaska Prepared in cooperation with the State of Alaska Department of Natural...Mineral Resource Maps of the Ambler River Quadrangle, Alaska By C. F. Mayfield, I. L. Tailleur, N. R. D. Albert...SURVEY Prepared in cooperation with the State of Alaska Department of Natural Resources, Division of Geological...Ambler River quadrangle FIGURE 1. Index map of Alaska showing location of the Ambler River quadrangle...Mineral Resource Maps of the Ambler River Quadrangle, Alaska By C. F. Mayfield, I. L. Tailleur, N. R. D. Albert |  | Sorokhtina, N. V., Chukanov, N. V., Voloshin, A. V., Pakhomovsky, Ya. A., Bogdanova, A. N., Moiseev, M. M. (2008) Cymrite as an indicator of high barium activity in the formation of hydrothermal rocks related to carbonatites of the Kola Peninsula. Geology of Ore Deposits, 50 (7) 620-628 doi:10.1134/s1075701508070131 | Journal (article/letter/editorial) | | 102–108. MINERALS AND PARAGENESES OF MINERALS Cymrite As an Indicator of High Barium Activity in the...bInstitute Received November 29, 2006 Abstract—Cymrite, BaAl2Si2O8 · nH2O, is a rare mineral formed during...dynamothermal metamorphism (T = 250–300°C, P = 1–3 kbar). Cymrite has been described from many metasedimentary ores...carbonatites, it has been found for the first time. Cymrite has been identified in the Kovdor and Seblyavr...pyroxenite–melilitite–ijolite complex at the Phlogopite deposit; cymrite is associated with thomsonite, calcite, and stivensite |  | | Journal (article/letter/editorial) | | 52, NOVEMBER_DECEMBER, 1967 AN OCCURRENCEOF CYMRITE IN THE FRANCISCANFORMATION,CAUFORNIA E. J. EssoNn...heretoforefound only in Wales The mineral cymrite, BaAl2Si2O3.H2O, and Alaska,2was discoveredby the wdter with...calcite,albite, lawsonite, and more rarely cymrite veins. The cymrite is seenin hand specimen as coarseplatelets...of larnrsoniteand cymrite, and albitized jadeite relicts remain. Veinlets of cymrite-lawsonitemay be found...lawsonite, albite and cymrite show no signs of reaction. Optical properties of the cymrite closely match those |  | | Journal (article/letter/editorial) | | would also like to expresshis thanks to Bear Creek Mining Company for permissionto publish this paper...Metasedimentary rocks in the south-central Brooks Range, Alaska. U. S. Geol,.Suroey Prof . Paper 4O0-8,351-352...Copper deposits of the Ruby Creek area, Ambler River ConJ., College, Quadrangle, Alaska. Paper presented....Hrnnnm, Gonnot (1961) Geology and ore deposits of Alaska. Min. Eng 13, 1316-1325. Ker,lrn, W. D , J. H.... D. (1963) The copper deposits of Ruby Creek, Cosmos Hills, Alaska. Ph.D. thesis, Harvard University |  | | Journal (article/letter/editorial) | | 52, NOVEMBER_DECEMBER, 1967 AN OCCURRENCEOF CYMRITE IN THE FRANCISCANFORMATION,CAUFORNIA E. J. EssoNn...heretoforefound only in Wales The mineral cymrite, BaAl2Si2O3.H2O, and Alaska,2was discoveredby the wdter with...calcite,albite, lawsonite, and more rarely cymrite veins. The cymrite is seenin hand specimen as coarseplatelets...of larnrsoniteand cymrite, and albitized jadeite relicts remain. Veinlets of cymrite-lawsonitemay be found...lawsonite, albite and cymrite show no signs of reaction. Optical properties of the cymrite closely match those |  | | Journal (article/letter/editorial) | | SulfideMineralogy of the Number One Orebody, Ruby Creek Copper Deposit, Alaska LAWRENCE R. BERNSTEIN* AND DENNIS...least200,000 tonscontaining8.4 wt % Cu) at the Ruby Creek copperdeposit,in the southwesternBrooks Rangeof...copperdeposit,in the southwestern BrooksRange of Alaska,consistsof sulfide-richdolostone breccia zones...min- Locationand Descriptionof Workings The Ruby Creek depositis locatedabout 24 km The depositwasinvestigatedby...miner- north of Kobuk villagein the CosmosHills, Alaska alogical,and sulfurisotopestudies.More recently |  | | Book (volume) | | THE GEOLOGY OF ALASKA The Geology of North America 'll L *• / ^ X, ^x /yj 5*? ^^vrA. j /X XxT &...Geology of North America Volume G-l The Geology of Alaska Edited by George Plafker U.S. Geological Survey...Congress Cataloging-in-Publication Data The Geology of Alaska / edited by George Plafker and Henry C. Berg, p...educational advancement. 1. Geology—Alaska. 2. Mines and mineral resources—Alaska. I. Plafker, George, 1929. II...north from over the Chaix Hills along the Gulf of Alaska. Bedded marine Tertiary rocks of the Yakutat terrane |  | | Report (issue) | | mines, prospects and mineral occurrences throughout Alaska. 159' 156' B1 AR060. AR051 AR050 1 AR048 \...River l:250,000-scale quadrangle, north central Alaska This and related reports are accessible through...the author(s) of this compilation: Steven Nelson Alaska U.S. Geological Survey 4200 University Dr. Anchorage...786-7448 e-mail: fwilson@usgs.gov Location of map area in Alaska This report is preliminary and has not been...REPORT 97-856 science for a changing " * world Alaska Resource Data File Page 1 Site: Kobuk River Type: |  | Gorelova, Liudmila A., Vereshchagin, Oleg S., Bocharov, Vladimir N., Pankin, Dmitrii V., Đorđević, Tamara (2022) Temperature-Induced Phase Transition in a Feldspar-Related Compound BaZn2As2O8∙H2O. Minerals, 12 (10) 1262 doi:10.3390/min12101262 | Journal (article/letter/editorial) | | two contain H2O groups, namely cymrite BaAl2Si2O8·H2O [16] and ‘K-cymrite’ KAlSi3O8·H2O, the latter of...Although the anthropogenic activities, such as the mining and smelting of sulfide ores, can increase As concentration...of the twinned structure of cymrite from the Ruby Creek deposit (Alaska). Crystallogr. Rep. 2010, 55...thermodynamic properties, and stability relations of K-cymrite, K[AlSi3 O8 ]·H2 O. Phys. Chem. Miner. 1997, 24...Y.G.; Iizuka, Y.; Yang, J.S. First record of K-cymrite in North Qaidam UHP eclogite, Western China. Am |  | | Report (volume) | | AMERICAN GEOLOGY, 1966 Alaska Div. Mines pnd Minerals Geochem. Rept. - State of Alaska Department of Natural...Report. Juneau, Alaska. Alaska Div. Mines and Minerals Geol. Rept.- State of Alaska Department of Natural...Geologic Report. Juneau, Alaska. Alaska Div. Mines and Minerals Rept. - State of Alaska Department of Natural...Minerals Report. Juneau, Alaska. Alaska Univ. Anthropol. Papers- University of Alaska, Department of Anthropology...Geography, Anthropological Papers. College, Alaska. Alaska Univ. Geophys. lost. [Rept. Ser.] - Geophysical |  | | Book | | must consult the mineralogical literature of the area he is interested in. Treatment. In most cases the...few materials of organic origin, such as jet and amber, are listed for their aesthetic appeal. Wherever...states of Guanajuato and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association...Cananea, Mexico. In the USA copper is found in abundance in the Keweenaw area of north Michigan; at the...Australia. In the USA gold is often obtained by individual prospectors by placer mining. It is found along |  | | Book (edition) | | only about distance from a better known town in the area but also about the administrative regional units...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...St-Hilaire. Quebec. CM 32. 843-854, Georgetown, Clear Creek co., and at Rice, Dolores co., both Colorado, at...Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31, ~ = 104°36' |  | | Report (issue) | | c1d e100 ehalatetetetalaiete a\s cisiera uel os YUKON STRERRETORY 2 create Keno. Greenland e ersibre...eecoeeceoeeeoeoeceee 302 se ee 305 Freeland-Chicago Creek ....see. e@eoeoceeee 307 Reina Ta ease eial(cilake...MEXICO-ARIZONA) ... 323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona...Utah—Arizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...J ■ I p r e s e n t l i m i t of 1 underground mining ■ ■ 1 1 •H CO CO cd •H cd \ i 4-1 •H c ...bodies seldom cropping over more than 0.001% of an area surface, so the "vein association" is of little...term for a plutonic rock body and its underlying area. Small stocks and plugs are also common and largely |  | | Book | | made with a field-ion microscope, shows a tiny area of the crystal's surface magnified five million...two of its coloured varieties are the gemstones ruby and sapphire. The very important ore minerals hematite...sul¬ phides that you will meet frequently outside mining areas are those of iron, namely pyrite, FeS2, and...an electron beam, which may be focused to hit an area of the polished target mineral no more than 10,000...diameter. Secondary x-rays are emitted from the impact area. The two remaining major physical methods of analysis |  | | Journal (article/letter/editorial) | | on this net (Table 7). Hexacelsian (Fig. 36a), cymrite (Fig. 36a), dmisteinbergite (Fig. 36b) and burckhardtite...distortion relative to the sheets in hexacelsian and cymrite. This double-layer sheet is not restricted to silicate...coordinated by O2–12 anions. The interstitial complex in cymrite consists of four Ba2+ ions [11]-coordinated by...investigation that falls within the recently developed area of mineral ecology (e.g. Hazen et al., 2015a,b;...of the twinned structure of cymrite from the Ruby Creek Deposit (Alaska). Crystallography Reports, 55 | | | Book | | made with a field-ion microscope, shows a tiny area of the crystal’s surface magnified five million...two of its coloured varieties are the gemstones ruby and sapphire. The very important ore minerals hematite...metal and sulphur in a variety frequently phides mining that of structures, covalent than will you...an electron beam, which may be focused to hit an area of the polished target mineral no more than 10,000...diameter. Secondary x-rays are emitted from the impact area. The two remaining major physical methods of analysis |  | | Book | | Netherlands. Special regulations for readers in the USA — This publication has been registered w i t h the...made in the USA. A l l other copyright questions, including photocopying outside of the USA, should be...u n d e r g r o u n d 1 of QJ · · u , Ό mining 1 1 IL··I _ l ~ U C > cd rH cd 3 1 "1...bodies seldom cropping over more than 0.001% of an area surface, so the "vein association" is of little...term for a plutonic rock body and its underlying area. Small stocks and plugs are also common and largely |
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