 | | Journal (article/letter/editorial) | | JUNE-JULY, ORES FROM x924. KEY WEST No. 4 MINE, NEVADA. WALDEMAR LINDGREN AND W. MYRON DAVY...statedto represent average nickel ore of the Key West Mine, in Southern Nevada, was transmittedto us by Dr...contained and their relations. The Key West Mine, in Clark County, in Southern Nevada, was briefly describedby...describedby Bancroft in z9o9.• The district lies abouttwenty-fourmileseastsoutheast of Moapaon the Salt Lake...of Bancroft'svisit the workings of the Key West Mine amountedto 3,ooolinear feet, the deepest shaft being |  | Auclair, Marie, Gauthier, Michel, Trottier, Jacques, Jebrak, Michel, Chartrand, Francis (1993) Mineralogy, geochemistry, and paragenesis of the Eastern Metals serpentinite-associated Ni-Cu-Zn deposit, Quebec Appalachians. Economic Geology, 88 (1) 123-138 doi:10.2113/gsecongeo.88.1.123 | Journal (article/letter/editorial) | | in the North zone,comprisingpyrite, violarite-polydymite, and millerite, is compatiblewith maximumtemperaturesof...fiyschsequence allurgicalproblemscausedby the presenceof talc lien, 1987). Volcanicrocksnear the EasternMetals...serpentinitesliceassociated with the Eastern Regional-and mine-scalegeologicstudieswere carriedout by B•land (1957)...severaldiscontinuous lensesseparated from oneanotherby talc zones. Alteration Sequence Serpentiniteat the EasternMetals...EasternMetals depositis sequentially transformedinto talc-carbonateschist, ST. DANIEL MELANGE CALDWELL GROUP |  | | Journal (article/letter/editorial) | | (Sverige) Aln6 lsland, titanomagnetite, 265 Brattfors mine, Nordmarks Odalffalt, Viirmland, manganhumite, katoptrite...Gutter, Brook, Hampshire, glauconite, 373 Mill Close mine, Darley Dale, Derbyshire, corundophilite, I7I Seathwaite... 373 Turf Pits mine, Grassington, Yorkshire, spencerite, I76 Cornwall Botallack mine, digenite, I72 Carn...pseudomorphous after analcime, 245 INDEX Geevor mine, neotocite, 279 and M26 Luxulyan, luxullianite (in...apatite, hornblende, diopside, 427 South Terras mine, St. Stephen-in-Brannell, francevillite, I72 Stamps |  | | Journal (article/letter/editorial) | | serpentine-group mineral, less frequently calcite, quartz and talc. Accessory minerals of the listvenite include Cr–Ni-rich...(pyrite, pyrrhotite, pentlandite, millerite, polydymite, violarite, siegenite, gersdorffite, cobaltite...magnesite. They overgrew aggregates of magnesite I and talc (Fig. 2d). Chemical composition of the serpentine...01–0.03 apfu) and Ni (∼0.1 wt. % NiO; ∼0.005 apfu). Talc forms irregular aggregates (up to 0.1 mm) in association...serpentine-group minerals (Fig. 2d). Composition of talc (Tab. 2) shows slightly increased content of Fe |  | | Report (volume) | | __ __________________ __ _________ Linnaeite, polydymite, siegenite, and violarite_____________ Other...---------------------------------- Lynn Lake district----------------------------------------Thompson-~oak...-----Alexo Nickel mine ____________________________________ - ___ Kenora district ______ ----- _____...___ ------------------------------------U nga va district ______________________________ - _- ---------UI...----------------------------------------Saline CountY--------------------------------------------Cal |  | | Journal (article/letter/editorial) | | Modificationof Iron-NickelSulfidesDuring Serpentinization and Talc-CarbonateAlteration at Black Swan, Western Australia...unrecordedassemblagepyrite-vaesite-"violarite"occurring in some talc-carbonate rocks. Although interstitial sulfide textures...recrystallizedand more sulfur-rich assemblages were generatedin talc-carbonaterocks, the final productsof carbonation...structures,including to processesof serpentinizationand talc-carbonation pillows, amygdales,and ocelli, are generallywell...Disseminated mineralization • TALC CARBONATE ROCK SE•ENTINITE {MINE•LIZED) CROSS SECTION i•00N BLACK |  | | Report (issue) | | Millerite, nickeline, annabergite, gersdorffite, polydymite, heazlewoodite, magnesite, spinel, dolomite (Gaspe...chrysotile, antigorite, magnetite, millerite, polydymite (Otway prospect, Western Australia); glaukosphaerite...Otway nickel prospect, near Spinnaway, Nullagine district; in the Otter Shoot gossan, Kambalda, 56 km south...near Agnew; from the 132 North nickel mine, Widgiemooltha district. Found at Shinshiro, Aichi Prefecture...the Scotia Talc mine, Bon Accord, Barberton district, Transvaal. In the San Benedetto mine, Iglesias district |  | | Journal (article/letter/editorial) | | Effects of Magmatic Processes, Serpentinization, and Talc-Carbonate Alteration on Sulfide Mineralogy and Ore...carbonated serpentinite core of a zoned serpentinite–talc-carbonate ultramafic cumulate body of komatiitic...serpentinites, and S-rich millerite-bearing assemblages in talc carbonates. The Black Swan disseminated ores in...dominated by millerite-pyrite–(polydymite) assemblages in both serpentinites and talc carbonates, with no evident...expansion during initial sea-floor serpentinization. Talc is almost completely absent from serpentinites, |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...crystal, 10.5 cm, with quartz, from the Yaogangxian mine, Hunan, China. Private collection; Jeff Scovil photo...well before the moisture and dust of an operating mine had had time to exert their destructive influences...the Karnasurt mine. On the following day, Nickolay Pavlov, chief geologist of the mine, and geologist...e zone is seen to extend into the bottom of the mine workings (i.e. its thickness is more than 1.5 meters) |  | | Report (volume) | | ....................................... 11 Polydymite....-......-._.........--'......................----...-...-_.-.--....-..-.-..-................. Talc.---......----.-----.....-........---.-----.------...ARSENIDES. BISMUTHINITB. From the Rosario Mining District, Sinaloa, Mexico. W. I-I. Melville. Described...Bulletin 61. COVELLITE. From the East Greyrock mine, Butte, Mont. Collected by G. W. Tower. Analysis...220. POLYDYMITE. A massive ore from the mine of the Canadian Copper Company, Sudbury, district of Algoma |  | | Report (issue) | | ------------3. Nickel deposits in the Sudbury district, Ontario, Canada-----------------------4. Nickel...------------------9. Proportions of total world mine production of nickel accounted for by countries...-------------------------------------10. Nickel mine production in countries having major deposits and...----------------Estimated cumulative and annual mine production of nickel, contained in ore, concentrate...each country having a major nickel deposit or district ---------------------4. By economic class of |  | | Journal (article/letter/editorial) | | location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular...hematite, quartz (Broadhead 1873b, 1877). Audrain County Mexico, in fire clay pits and spoil piles: PYRITE...University Library] at 19:58 29 October 2014 Barton County McKarrow’s coal bank (37-37N 94-28W), 2.5 miles...PICKERINGITE, pyrite, siderite (Broadhead 1873b). Bates County Panther Creek, northwest of Rockville in coal deposits: |  | | Journal (article/letter/editorial) | | millerite (Keele and Nickel, 1974), and with polydymite, chalcopyrite, pyrite and secondary violarite...reacted with the ultrama c wall rock to produce a talc-magnesite assemblage proximal to these 314 conduits...geological cross-section through the MKD5 orebody (Mine grid 31760N) showing locations of hypogene violarite-bearing...and the Madziwa mine, Zimbabwe (Riley, 1980). As can be seen, MKD5 and Madziwa mine hypogene thiospinels...‘violarites’ are mainly polydymite; however in the case of both Black Swan and Madziwa mine samples, similar |  | | Journal (article/letter/editorial) | | types of alteration, namely, serpentinizationand talc-carbonatealteration. An analysis of nickeliferousopaquemineral...Ultramafic body •-• Completely serpentinized •\\•\?\• Talc carbonate alteration Zones ofdisseminated magmatic...of the body. ! Finally,'thereis a marginalzoneof talc-carbonate ! alteration present locally. This zonal...= millerite, mpo= monoclinic pyrrhotite, pm = polydymite, pn •- pentlandite, py = pyrite, tr = troilite...following simplifications have been made: godlevskite,polydymite,bravoite, vaesite, marcasite, smythite, and mackinawite |  | | Journal (article/letter/editorial) | | bluish-green,monoclinic crystals in the Arakawa mine, Japan. Named from the locality. Differs from Veszelyite...mineral with the composition Cu4AgS, from the Cocinera mine, Ramos, San Luis Potosi, )Iexico. ~Abstr., v. 181...occurring as compact, dark yellowish-white pebbles (' f~vas ') in the Brazilian diamond deposits. Named after...Beckenkamp, 1921. J. Beckcnkamp, 1921. See Talc-spinel. ~ e Talc-spinel. Ferrosilite. 'lddings and Washington... Ital. Set. Nat., vol. 57, p. 154. A variety of talc from the Gava valley, near Voltri, Genoa, Italy |  | | Journal (article/letter/editorial) | | microscopy, 453; -and ZUSSMAN (J.), The unit cell of talc, IO7 Alabandine, I.R. spectrum, 277 and MI7 ALABASTER(C...St. Just aureole, Cornwall, 427 Alice Mary copper mine, W. Australia, lavendulan, 369 Alkali feldspar,...breakdown product of staurolite from Donegal, 237 Auburn mine, Michigan, stilpnomelane, 36I and M37 Augite, Turkey...anal., opt., sp. gr., X-ray, I79 Bali Low copper mine, Capricorn Range, W. Australia, lavendulan, 369... Larne, Co. Antrim, tobermorite, 229 Bambollita mine, Moctezuma, Sonora, Mexico, tlapallite, 183 Ban |  | | Journal (article/letter/editorial) | | silicates into a chlorite – serpentine – carbonate – talc assemblage. Alteration did not substantially modify...chlorite-rich assemblages were replaced by magnesite, talc, dolomite, calcite and quartz, and the rare Cr-bearing...Sometimes, talc is replaced by magnesite that in turn can be resilicified to form late-generation talc, as a...correlation of major chromitite layers across four mine sections at the investigated localities (modified...With the exception of samples from the Pedrinhas mine which contain serpentine as the major interstitial |  | González-Jiménez, José M., Barra, Fernando, Garrido, Leonardo N.F., Reich, Martin, Satsukawa, Takako, Romero, Rurik, Salazar, Eduardo, Colás, Vanessa, Orellana, Felipe, Rabbia, Osvaldo, Plissart, Gaëlle, Morata, Diego (2016) A secondary precious and base metal mineralization in chromitites linked to the development of a Paleozoic accretionary complex in Central Chile. Ore Geology Reviews, 78. 14-40 doi:10.1016/j.oregeorev.2016.02.017 | Journal (article/letter/editorial) | | fluids through shear zones filled with antigorite (± talc) developed in partly serpentinized peridotites (i...studied rocks include sulphides [millerite (NiS), polydymite (Ni3S4), violarite (FeNi2S4), galena (PbS), sphalerite...schistose serpentinite that comprises antigorite ± talc ± tremolite ± magnetite (Fig. 3a). These shear zones...Vacas, and it is associated with an antigorite (± talc) shear zone. It is a small body (b1 m long and 50...are almost completely composed of antigorite (± talc) with accessory chlorite and disseminated chromite |  | | Book (chapter) | | 5)O11]2(OH)2, MM 53, 106 (1989). Na-Al-talc = Na-Al-rich talc, AM 91, 1063 (2006). (Na,Al)-tourmaline...sylvan = tellurium, Egleston 340 (1892). native talc earth = magnesite, Egleston 198 (1892). native ultramarine...montmorillonite, Dana 5th III, 84 (1882). nefretita = talc, de Fourestier 242 (1999). nefrita de fibras paralelas...Maus 145 (1974). neutraler kieselsaurer Hydrotalc = talc + quartz, Egleston 337 (1892). neutrales Fluocerium...Clark 492 (1993). nichellinneite = Co-bearing polydymite, MM 19, 345 (1922). Ni-Chlorit = nimite, Strunz |  | | Journal (issue) | | M. Pryce and J. Chester The Amity Area, Orange County, New Y o rk ............................... 85...Geological Survey Uralolite from the Dunton Gem Mine, Newry, Maine: A Second O c c u rre n ce ..................................................... Polydymite, Vaesite, and Siegenite from Missouri by Pete...length, collected in the Mindola open pit, Rokana mine, Zambia, by S. P. Korowski. The Mineralogical Record...miner at the 115-year-old Oriental mine in Alleghany, Sierra County, California. In August, about five |  | | Book (chapter) | | = heated quartz, Bukanov 132 (2007). Wargasit = talc pseudomorph after pyroxene ?, Dana 6th, 364 (1892)...quartz-mogánite mixed-layer + water, AM 12, 389 (1927). water talc = brucite, Bukanov 259 (2006). wathlingenite = kieserite...fluorellestadite, AM 67, 90 (1982); MM 46, 514 (1982). Wilkes County Jewels = violet Fe-rich quartz, MR 36, 479 (2005)...Egleston 317 (1892). Wismuthkobaltnickelkies = polydymite + bismuthinite ± chalcopyrite, Hintze I.1, 965...ullmannite, Dana 6th, 1039 (1892). Wismuthnickelkies = polydymite ± bismuthinite ± chalcopyrite, Dana 6th, 75 (1892) |  | | Journal (article/letter/editorial) | | C o - N i - F e thiospinel from the Kalgoorlie district, Western Australia DURING an examination of sulphide-mineralized...greenschist-level metamorphic rocks in the Kalgoorlie district, Western Australia, the writer noted the presence...20-I00 /~m in size, in a talc-carbonated serpentinite in the area of the Scotia mine to the north of Kalgoorlie...thiospinel (M3S4) minerals from the Kalgoorlie district Co S Ni Fe Co Z Type K[42 K[36 K[27 Ni...solid solutions (KIz 7, K136) from the Kalgoorlie district. FIG. 2 (right). Compositions of cobaltian violarite |  | | Report (volume) | | chrysolite, to which, in nature, some varieties of talc offer the nearest approximation. The third and fourth...in his mineral, which came from a talc mine, a small admixture of talc, the residue agrees with the theoretical...species with which this agrees is Laspeyres's polydymite, of which the Sudbury mineral is evi dently...other sulphides, like the polydymite, may perhaps occur also. The polydymite which was selected for the..."A" representing the large mass in which the polydymite was determined : Per cent. A, 2.55 ounces Pt |  | | Journal (article/letter/editorial) | | SULFIDE PARAGENESIS IN THE EASTERN METALS MONTMAGNY COUNTY, QUEBEC DEPOSIT, D. W. POLLOCK ABSTRACT The...studyinga suiteof specimens from the Eastern Metals mine in the Eastern Townships of the Provinceof Quebec...possibleorigin of the deposit. Location.---The Eastern Metals mine is situated in Rolette township, Montmagnycounty...carbonatizedzone adjacentto the peridotite. Local zonesof talc schistare frequentlyencountered in the silica-carbonate...observed on both the first and third levels of the mine. On the first level it is associatedwith pyrite |  | | Journal (article/letter/editorial) | | operations, butsurveys madein 1710show"MinePit" and"Mine 28 WILLIAM H. DENNEN. Pit Hill," andit is quitepossible...depositwasworkedas early as the Sturbridge,Massachusetts mine openedin 1640. Accountsdiffer, but it seemsprobablethat...re deflectedby the pyrrhotite,abundanton Nickel Mine Hill. It is said that in 1726 a shallowshaft was...eskerwas seena few hundredyards southeastof Nickel Mine Mill. NickelMine Hill is a notableexception to the...Merrimackquartzite. Suchinclusionsare especiallynumerouson Nickel Mine Hill and are found within a few feet of the site |
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