 | Scanlan, Emma J., Scott, James M., Wilson, Victoria J., Stirling, Claudine H., Reid, Malcolm R., Le Roux, Petrus J. (2018) In Situ 87Sr/86Sr of Scheelite and Calcite Reveals Proximal and Distal Fluid-Rock Interaction During Orogenic W-Au Mineralization, Otago Schist, New Zealand. Economic Geology, 113 (7) 1571-1586 doi:10.5382/econgeo.2018.4603 | Journal (article/letter/editorial) | | During Orogenic W-Au Mineralization, Otago Schist, New Zealand Emma J. Scanlan,1,†,* James M. Scott,1...of Otago, Dunedin 9054, New Zealand of Chemistry, University of Otago, Dunedin 9054, New Zealand for...Trace Element Analysis, University of Otago, Dunedin 9054, New Zealand 4Department of Geological Sciences...W-Au mineralization occurring in the Otago Schist in New Zealand. Scheelite Sr isotope populations, regardless...the Hyde-Macraes shear zone and the Barewood and Bendigo deposits overlap with the age-corrected 87Sr/86Sr |  | | Journal (article/letter/editorial) | | uplift of the Otago and Alpine Schist, New Zealand D. Craw Geology Department. University Qf Otago, P.O. Box...Box 56. Dunedin, New Zealand (Received August 22, 1990; revised and accepted January 12, 1992 ) ABSTRACT...uplift of the Otago and Alpine Schist, New Zealand. Chem. Geol., 98:221-236. The Otago and Alpine Schist...transition and in the lower parts of the brittle region were deposited by water with < 1 mole% COz and...t m e n t , University of Otago, P.O. Box 56, D u n e d i n , New Zealand. uplift history. Major vein |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...the ore. Sulfides likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger,...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent...in gold-quartz mines in the Meguma Group, that pyrite is the most abundant sulfide in mines California... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills |  | | Journal (article/letter/editorial) | | from different streams in the La Carolina gold district was carried out. We performed 502 analyses on...pépites d’or prélevées de divers cours d’eau du district aurifère de La Carolina. Nous avons effectué 502...placer gold. GEOLOGICAL SETTING The La Carolina district is located in the Departamento Pringles, Provincia...formal description of the geological units, and new geochronological data was made by Sims et al. (1997...follow their general descriptions. The La Carolina district (Fig. 1) consists of elongate NNE–SSW-faulted |  | Massonne, H.-J., Hervé, F., Medenbach, O., Muñoz, V., Willner, A. P. (1998) Zussmanite in ferruginous metasediments from Southern Central Chile. Mineralogical Magazine, 62 (6) 869-876 doi:10.1180/002646198548098 | Journal (article/letter/editorial) | | Zussmanite in ferruginous metasediments from Southern Central Chile H.-J. MASSONNE1, F. HERVI~2, O. MEDENBACH3...Laytonville, California (Agrell et al., 1965). A new occurrence is reported here from Punta Nihue north...Californian occurrence. Additionally, we present new IR data. In type (2) bands of fine-grained crystals...of the metasedimentary sequence of the Otago schists, New Zealand. 9 1998 The Mineralogical Society According...1988). The low-grade Western Series in the coastal region between 38 ~ and 39~ is interpreted as part of |  | | Report (issue) | | nfederated Malay States • • . I .. Australia ••• New Zealand .• • • FOREIGN CO{lNTRIES : France • • • •••...Northern 'l'erritory of Australia, Tasmania, New . Zealand and Peru, while Germany, Austria, a11d other... 18 . Scheelite Bismuth ore and Wolfratn New Zealand ••• Austria ••• • •• - . 425 511 779 1...galena, bismuth, molybdenite, · tourmaline and pyrite. The veins are said to beco1ne narrower a,n d less...Kuils River in tl1e Cape Province. In the Good Hope Mine, the amount of wolfra·m in the conc.entrates is |  | | Journal (article/letter/editorial) | | Alteration and Mineralization in the Comstock District, Nevada DONALD M. HUDSON† 1540 Van Petten Street...metal deposits of the world-renowned Comstock district of western Nevada constitute one of several superimposed...superimposed Miocene hydrothermal systems. In the district, Mesozoic metasedimentary and igneous rocks are...kaolinite alteration exposed at the periphery of the district may be linked to preore alteration near the paleowater...elsewhere in the district. Pliocene to Holocene reactivation of faults has disrupted the district, redistributing |  | | Journal (article/letter/editorial) | | and Astronomy, The University of Calgary, Calgary, Alta., T2N 1N4 Canada Received 7 February 1997; accepted...July 1997 Abstract The B.M.&S. No. #12 deposit in New Brunswick, Canada, and the Woodlawn deposit in N...sulfur isotope data for massive sulfides in the New Brunswick and Woodlawn deposits suggest attainment...No. #12 deposit in New Brunswick, Canada, and the Silurian Woodlawn deposit in New South Wales, Australia...associated with gold formation in the Otago schists of New Zealand. Some features of the B.M.&S. and Woodlawn |  | Santos, João Orestes Schneider, Groves, David Ian, Hartmann, Léo Afraneo, Moura, Márcia Abrahão, McNaughton, Neal Jesse (2001) Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós–Parima orogenic belt, Amazon Craton, Brazil. Mineralium Deposita, 36 (3) 278-299 doi:10.1007/s001260100172 | Journal (article/letter/editorial) | | Jesse McNaughton Gold deposits of the TapajoÂs and Alta Floresta Domains, TapajoÂs±Parima orogenic belt...2001 Ó Springer-Verlag 2001 Abstract The TapajoÂs region is one domain of a major Paleoproterozoic orogenic...limited to the east by the cratonic rocks of the Central Amazon Province. The evolution and timing of the...orogenic, turbidite-hosted: disseminated and quartz±pyrite veinlet deposits, hosted by metaturbidites (lower...Crawley, Western Australia 6009, Australia nated and pyrite±quartz±carbonate vein deposits, hosted by metamorphic |  | | Report (issue) | | -----Geology -----------------------------------Alta Formation ------------------------Kate Peak Formation...location of Virginia City quadrangle, Comstock Lode district, and limit:;' of the Cornwall and Washington Hill...WHITEBREAD and DONALD B. HOOVER The Comstock Lode district is one of the world's greatest precious-metal... and geophysical studies in the Comstock Lode district and adjoining parts of the Virginia Range near...bonanza silver-gold deposits of the Comstock Lode district, in an area of intensely altered rock and alluvial |  | Ashley, Roger P., Goetz, A.F.H., Rowan, L.C., Abrams, M.J. (1979) Detection and mapping of hydrothermally altered rocks in the vicinity of the Comstock Lode, Virginia Range, Nevada, using enhanced Landsat images. Open-File Report Vol. 1979 (79-960) US Geological Survey doi:10.3133/ofr79960 | Report (issue) | | three types typically contain pyrite, and some propylitic rocks contain pyrite as well. Supergene oxidation...this spectral region. Thus spectral information for selected bands in the 1.1-2.5 ym region may allow discrimination...Scanner (MSS) images for a test area in south-central Nevada. Rowan and others (1974) made gray-tone...rapidly with increasing wavelength in the visible region (0.4-0.7 jam), giving low 4/5 (intense blue) and...different vegetation and slope conditions. In south-central Nevada Rowan and others (1974) readily separated |  | | Report (issue) | | RECONNAISSANCE OF THE COTTONWOOD-AMERICAN FORK MINING REGION, UTAH. By B. S. BUTLER and G. F. LOUGHLIN. INTRODUCTION...account of the region herein described. Owing to the unusual interest now being shown in the region, however...though expressing the general features of the district, lack the detail desirable for the laying out...very careful mapping. A portion of the Park City district, mapped by Boutwell, Irving, and Woolsey, is shown...relation of the region discussed to that district. The map of the Park City district as a whole is published |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...I . I SOUTH PACIFIC /ocEAN I I Chalmer,: OTAGO PENINSULA NEDIN ---- :aitangata Clvtho River...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~. |  | | Book (volume) | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...I . I SOUTH PACIFIC /ocEAN I I Chalmer,: OTAGO PENINSULA NEDIN ---- :aitangata Clvtho River...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~. |  | | Report (issue) | | Arrington Mine Carolina Slate 'Belt 25 27 2 Gold Hill Mine 28 Placer ~lXlsits 2 Howie Mine 29 !me...me Del"'sits 2 Reed Mine 31 S<>urces and Prtxluction 5 Silver Hill Mine 31 World Sources and...Production 5 Phoenix Mine 33 United States Sources and Production 5 Hoover Hill Mine 33 Mineralogy and...Gardner Hill Mine 33 Uses 7 Fentress Mine 34 Prices 8 Mining Methc:xis 9 Rudisil Mine 34 OJ:>en-Pit...OJ:>en-Pit Mining 9 St. Catherine Mine 35 Underground Mining 9 Capps Mine 35 9 Kings Mountain Belt |  | | Journal (article/letter/editorial) | | PLUTONISM ORES RELATED TO POSSIBLE LARAMIDE NEAR ALTA, SALT LAKE COUNTY, UTAH LAURENCEP. JAMES Mining...Cottonwood(Alta) district, which centers Binghamporphyrycopperand the Park City silver- on the Alta granodioritestock(Fig...with Mississippian Eocene. The Argenta area, near Alta, is slightly limestones,thick bodiesof magnetitelocally...City silver-lead-zinc-copperdistricts lie in the central Wasatch Mountains, midway along the chain of exposedigneousrocks...exposedigneousrocks.Ore depositgeologyin the central WasatchMountainsis describedby Calkins andButler(1943) |  | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...geological, tectonic and metallogenetic data, including new data, and propose a regional model for the gold (and...or sericite. Chalcopyrite, sphalerite, galena, pyrite, digenite, and manganiferous calcite are related...gold-rich zones occur in muscovite/sericite–quartz–pyrite alteration. The Paleoproterozoic epithermal and |  | | Report (volume) | | uthern section______________________________ -_ Alta Mines, Inc______________ __________ _______ Suggestions...valley. 22. Geologic map of eighth and fifth levels, Alta and St. Louis mines. FIGURE 24. Index map of Silverton...Suffolk mine and Staatsburg Basin_-_-__------__------26. Map showing property boundaries and mine workings...workings, Alta Mines, Inc_____,_________________-_-___-____._ Page 211 267 289 CONTRIBUTIONS TO ECONOMIC...studied as part of the resurvey of the mineralized region of the San Juan Mountains. The youthful topography |  | | Report (issue) | | Petrographic details_______________ Granodiorite (Alta stock)________________ General character and occurrence-____...---54 General features.______________-_---_--54 Alta thrust zone.__--___________-----__55 Columbus o...____ Big Cottonwood district.________________________ Little Cottonwood district.______________________..._________________________________ American Fork district._________________________ Ore deposits, by B....Butler and F. C. Calkins..-.__ Big Cottonwood district.-.._________________ Maxfield___________.-______ |  | | Report (issue) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Pnces...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distnbutton. Bldg 810, Federal Center • FAIRBANKS, Alaska--New Federal Bldg, 101 Twelfth Ave Chapter H Epithermal...Epithermal Gold Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P...Precious-metal District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Republic Gold District, Ferry |  | | Report (issue) | | ............................................ 12 Alta Formation ....... _...............................of laumontite and calcite in altered andesites of Alta Formation ................................... _................. 22 Main pit of Celatom diatomite mine ............ .... .................... ...........owned by the Curtiss-Wright Corp. of WoodRidge, New Jersey. Later Dr. Rose restudied a portion of the...transitional between a region of volcanic outpourings to the west, and the region to the east in which |  | Alfonso, Pura, Ccolqque, Elsa, Garcia-Valles, Maite, Martínez, Arnau, Yubero, Maria Teresa, Anticoi, Hernan, Sidki-Rius, Nor (2023) Mineralogy and Mineral Chemistry of the Au-Ag-Te-(Bi-Se) San Luis Alta Deposit, Mid-South Peru. Minerals, 13 (4) 568 doi:10.3390/min13040568 | Journal (article/letter/editorial) | | Mineral Chemistry of the Au-Ag-Te-(Bi-Se) San Luis Alta Deposit, Mid-South Peru Pura Alfonso 1, * , Elsa...Mineral Chemistry of the Au-Ag-Te-(Bi-Se) San Luis Alta Deposit, Mid-South Peru. Minerals 2023, 13, 568...chemistry study was carried out in the San Luis Alta telluriderich gold deposit, mid-south Peru, to contribute...contain abundant iron oxides. Sulfides are mainly pyrite with minor chalcopyrite and galena. Native gold...than 10 µm. Gold appears as grains encapsulated in pyrite, Fe oxides, quartz and filling fractures. The first |  | | Journal (article/letter/editorial) | | RECENT Mineral Collecting in Utah Downloaded by [New York University] at 19:26 09 May 2015 PHILIP D....years that has led to the development of numerous new collecting sites and the rediscovery of old locations...the discovery of as many as eight new minerals and many more species new to Utah. Here we present a list...article does not give permis- Lincoln district: The Creole mine, located at the south end of the Mineral...68, NovernberlDecember1993 381 Downloaded by [New York University] at 19:26 09 May 2015 large dumps |  | | Report (issue) | | Quartz-tourmaline asse iblage ,v ............. 1 Pyrite-quarti aaaembl«,;e ' 27 29 Contents Page Galena-sphalerite............ 32 .................*. 3$ Quartz-pyrite-chalcopyrite assemblage Older classifications .............. Quartz zoning . ..... Zoning or pyrite and carbonate Area! serlclte boundary. .. .......«... . pocket 5. Geology of the Bunker Hill mine .............. pocket 6* Extent of alteration, W...using the grain size of quartz (or pyrite vs. carbonate in one district) as well as features of the altered |  | | Journal (article/letter/editorial) | | RegionalDistribution of Fluid Inclusions in Intrusions of the Central Wasatch Mountains, Utah DAVID A. JOHN U.S. GeologicalSurvey...1 km on the east. These data indicate that the central Wasatch Mountains havebeentilteddownto theeastabout20ø...the Alta andClaytonPeakstocksin the centerof the belt but are absentin the deeperparts of the Alta an...Cottonwoodstockon the westsideof the belt. In the Alta andClaytonPeakstocks,nearlyplanarhigh-paleosalinity...fluidinclusionpopulations in igneousandvein quartzin the Alta andClaytonPeakstocksindicates that high-salinit |
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