 | | Journal (article/letter/editorial) | | developed outer zone bearing sphalerite-galena ± kaolinite. The carbonate-hosted replacement ores are controlled...other Bi minerals accompanied by APS minerals, kaolinite, and dickite, and an outer zone composed of Fe-poor... Oxygen and hydrogen isotope compositions on kaolinite from carbonate-replacement orebodies (δ18O = 5... 493 494 BAUMGARTNER ET AL. librium with kaolinite have δ18O values of 2.0 to 8.2 and δD values of...Cerro de Pasco Corporation. In the early 1970s, the mine was nationalized and was integrated into the state-owned |  | | Journal (article/letter/editorial) | | presence of neutral or slightly acid solutions kaolinite and halloysite are formed from plagioclase feldspar...materials and the formation of nontronite. fn the Excelsior district the study of cores obtained during a...weathering products of basaltic rocks with depth. At Excelsior, Colfax and Garfield, Washington, nontronite of...nontronites, which were collected from the veins at Excelsior, Colfax, and Garfield are shown in Table 1 along...Al'Oa FerOr FeO Meo CaO Na'O KrO HlOHzO* Tio, 1 Excelsior, Wash. 2 Colfar, Wash. 4 1 .6 3 8.69 25.99 |  | | Journal (article/letter/editorial) | | complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...Triassic-Jurassic Pucargor Paria Permian Mitu Lower Excelsior Paleozoic & Catalina Series Locally,and toward...and Copacabanaformationsare preservedbetweenthe Excelsior and the Mitu. Thicknessof individualformationsvary...shale limestone, shale Ambo sandstone,shale Excelsior shale, phyllite Belt. Subsid- iary basin in...40 FORMATIONEVENTS 2 400 • z m - - • • EXCELSIOR • • •z• •o 414 ULRICH PETERSEN Their total |  | | Report (volume) | | area__________________________________________ Excelsior clay pit and deposit_______________________________...4. Photomicrograph of vermicular crystals of kaolinite pseudomorphic after muscovite in pre-Tertiary...basalt saprolite with pillow structure at the Excelsior clay piL _ __ _ __ __ _ __ __ _ _ __ _ _ __ _...loss on ignition of clay-bearing units in the Excelsior clay pit and deposit_ Stratigraphic section, chemical...mineralogy of units of the Latah Formation: 9. Excelsior clay pit____________________________ 10. North |  | | Report (volume) | | clay deposits_________________________________ Excelsior high-alumina clay deposit__________________________...sections of the Bovill deposit. Geologic map of the Excelsior deposit. Geologic map of the Bovill deposit. Geologic...during an interval of weathering called the "Excelsior weathering period" that occurred between flows...thermal determinations on these clays show that kaolinite and halloysite (hydrated) are the principal clay...intrusive rocks contains both halloysite and kaolinite, and the transported clay is predominantly kaolinitic |  | | Journal (article/letter/editorial) | | long. 134 32'E). The Tarcoola Blocks mine, the most important mine in the district, lies in the southwest...1990) / 0 0.5 I I Kilometres l Govemment Mine; Nonconformity Fault(observed) Fault(inferred)...(sealed) Railway ~ Quartz vein ~ Facing Blocks Mine r~ Alluvium ~ TarcoolaFm Silcrete ~ Qtz-bt-plag-microcline...260,000 tonnes at 3.7 g/t near the Perserverance mine (Fig. 2). In April 1993, Grenfell Resources NL completed...on eight localities focussed on the Perserverance mine, with encouraging results including an intersection |  | | Report (chapter) | | va Ne Excelsior-Coaldale Block Camp Douglas Goldfield Goldfield Block Spotted Range/ Mine Mt. Block...siliceous masses consisting of quartz –alunite– kaolinite + pyrophyllite alteration. Owing to the coupling...through the Yellow Jacket Mine (Fig. 11a, below). North of the Yellow Jacket Mine along the lode (Fig. 11b)...granodiorite with no andesite. In the Hale & Norcross Mine, north–south shortening of the footwall fault suggests...contrast to along the footwall in the Yellow Jacket Mine. However, some rightlateral displacement and horizontal |  | | Journal (article/letter/editorial) | | mainly composed of Paleozoic phyllites of the Excelsior Group, Permo-Triassic volcaniclastic rocks of...sedimentary rocks and Miocene intrusions (Fig. 1). The Excelsior Group is the oldest rock unit exposed in the district...distinct angular unconformity exists between the Excelsior phyllites and the overlying Mitu volcaniclastic...consisting predominantly of quartz, sericite, kaolinite, illite, pyrite and alunite (Beuchat, 2003). The...and 2), the vein ore type is restricted to the Excelsior phyllites, Mitu volcanic rocks and Tertiary intrusions |  | | Journal (article/letter/editorial) | | monoclinicpyrrhotite on the deepest level of the mine below the bottom of Pb-Zn ore. On higher levels...tin andtungstendeposits of the easternAndesof Bolivia and thus servesas a metallogeniclink betweenthe...provinceof central Peru and the Sn-W-Ag-Bi provinceof Bolivia. The secondstageexhibitsmineralassemblages and...the environments that characterized later Excelsior Group of Devonian age (McLaughlin, 1924; Jenks...(Newell et al., 1953) unconformably overlie the Excelsior Group on both limbs of the anticline. The Mitu |  | | Journal (article/letter/editorial) | | formed by damming of streams by basalt flows. Kaolinite and halloysite are the principal clay minerals...contains both kaolinite and halloysite, and the transported clay is predominantly kaolinite. Both of these...local lull in the extrusion of the basalt, the Excelsior interval (Scheid, 1947), along the eastern margin...composed chiefly of halloysite with minor amounts of kaolinite and the non clay minerals ilmenite and quartz...groundmass, the major constituents of the basalt. The kaolinite occurs as crack fillings and is probably clay |  | Rottier, B., Kouzmanov, K., Casanova, V., Wälle, M., Fontboté, L. (2018) Cyclic Dilution of Magmatic Metal-Rich Hypersaline Fluids by Magmatic Low-Salinity Fluid: A Major Process Generating the Giant Epithermal Polymetallic Deposit of Cerro de Pasco, Peru. Economic Geology, 113 (4) 825-856 doi:10.5382/econgeo.2018.4573 | Journal (article/letter/editorial) | | pyrite-quartz (stage B2) with quartz-sericite ± kaolinite alteration, and (3) well-zoned Zn-Pb-(Bi-AgCu)...crosscuts weakly metamorphosed mid-Paleozoic slates (Excelsior Group) and conglomerates and sandstone of the...sandstones) Epithermal mineralization Devonian Excelsior Group (phyllites, shales, quartzites) Fault Stockpiles... are roughly oriented north-south; they have kaolinite-sericite-pyrite and sericite-pyrite alteration...a core zone consisting of famatinite, pyrite, kaolinite, and alunite; (2) an intermediate zone characterized |  | | Book (edition) | | Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey...argentite reaction rim (greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL...grey), carbonate matrix (dark grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge |  | | Journal (article/letter/editorial) | | tellurides, bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite, sericite, quartz);...(pyrite, quartz, bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); (3) bornite ± (pyrite...alunite, dickite, kaolinite, barite); (4) tennantite, barite ± (dickite, kaolinite, chalcopyrite, Bi-...quartz, dickite, kaolinite, barite); (6) sphalerite, galena, pyrite ± (hematite, kaolinite, siderite, magnetite...muscovite-enargite−bearing assemblages. The common kaolinite-dickite-enargite assemblage was related to a fluid |  | | Journal (article/letter/editorial) | | tellurides, bismuthinite, gold, alunite, zunyite, kaolinite, dickite, smectite, illite, sericite, quartz);...(pyrite, quartz, bismuthinite, alunite, dickite, kaolinite, smectite, illite, sericite); (3) bornite ± (pyrite...alunite, dickite, kaolinite, barite); (4) tennantite, barite ± (dickite, kaolinite, chalcopyrite, Bi-...quartz, dickite, kaolinite, barite); (6) sphalerite, galena, pyrite ± (hematite, kaolinite, siderite, magnetite...muscovite-enargite−bearing assemblages. The common kaolinite-dickite-enargite assemblage was related to a fluid |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...of deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...(Malcolm, 1912), galena was widely considered by mine operators to be correlated with better gold grades...was described in a carbonate quartz veinlet in one mine in the Mother Lode system (Knopf, 1929). Method |  | | Book | | Lower Paleozoic Sediments of the Cordillera Real, Bolivia H.-J. Schneider . . . . . . . . . . . . . . . ... 137 The Stratabound Kellhuani Tin Deposits, Bolivia B. Lehmann . . . . . . . . . . . . . . . . . .... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Stratabound Iron Ores in the Silurian of Argentina and Bolivia M.-A. Boso and C. R. Monaldi . . . . . . . . ..... . . . . . . . . . . . . . . . . 279 Machcan Mine: A Pb-Zn Ore Deposit in Pucara Sediments of the |  | Baumgartner, R., Fontbote, L., Spikings, R., Ovtcharova, M., Schaltegger, U., Schneider, J., Page, L., Gutjahr, M. (2009) Bracketing the Age of Magmatic-Hydrothermal Activity at the Cerro de Pasco Epithermal Polymetallic Deposit, Central Peru: A U-Pb and 40Ar/39Ar Study. Economic Geology, 104 (4) 479-504 doi:10.2113/gsecongeo.104.4.479 | Journal (article/letter/editorial) | | de Pasco N-8820000 (10°40' S) A A’ Chile Bolivia Yanamate MINERALIZATION TYPE Cu-Zn-Pb-(Ag-Au-Bi)...(Permian-Triasssic), sandstones Thrust and reverse faults Excelsior Group (Devonian), phyllites Fold axis D A' A...vein 12.39 ± 0.06 Ma (alu, cpr 351) 9600 8800 Excelsior vein NNW B SSW Present day topography Santa...Formation (polymictic conglomerate) Devonian Excelsior Group (phyllite, shale, quartzite) FIG. 2. Geologic... and quartzite, which belong to the Devonian Excelsior Group (Jenks, 1951). They are unconformably overlain |  | | Report (issue) | | . . . 21 Annie Laurie Mine .. . ..... .. . . . . . . . . .. . . 21 Sevier Mine . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . 29 Wedge Mine ... .... .. . . . . . . . . . . . . . ..... 29 Mt.... 31 Bully Boy Mine . . . . . . . . . . . . . . . . ... .... . 31 Iris (Deseret) Mine . . . . .' . ..... 35 Cascade Mine . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Shamrock Mine .. .. . . .. ...39 Glen Erie Mine .. '" . . . . . . . . . . . . . . . . . .. . .. 40 Great Western Mine . . . . . . |  | | Journal (article/letter/editorial) | | fluoride (6700 ppm) as highly crystalline geode kaolinite (125 ppm). The clay stratum immediately overlying...crystalline geode kaolinite from near Hamilton, IL, the well-crystallized Georgia kaolinite (Source Clay Minerals...Minerals Project), and the poorly crystalline kaolinite from Anna, IL. Another 20 kaolinites from various...low fluoride values it would appear that the kaolinite structure, once formed, does not permit significant...formation of the kaolinite structure.) This lack of fluoride exchange in kaolinite has been reported |  | | Journal (article/letter/editorial) | | member, xxx. BUT~R (F. H.), natural history of kaolinite, 63. - - breceiation of mineral-veins, 124. Bye-laws...steine (review), 8 0 6 . Eutropie series, 195. ' Excelsior ' diamond, 140. ]Zxchanges of publications, xx...Lundy Island, 299. FOBD (W. E.), Dana's Manual of Mine. r a l o ~ (review), 804. Fortschritte der Mineralogie...to members, xxxv. ' Jubilee ' diamond, 142. Kaolinite, origin of, 67. - - from Derbyshire, 70. - - from |  | | Journal (article/letter/editorial) | | waxy, green nontronite is found associated with kaolinite (Scheid, 1945). A high magnesium content which...Washington Manito, Washington Colfax, Washington Excelsior, Washington Coordination Al 0.05 0.50 Chemical...due to the presence of a small pereentage of kaolinite since sample is associated with kaolinized basalt...surface is related to the ion-exchange capacity of kaolinite with which some nontronites are associated (Carroll...Scheid, Vernon E., 1945, Preliminary report on Excelsior high·aluminum clay deposits, Spokane Co., Wash |  | | Report (volume) | | the Bodie Hill1, Anchorite Hills, and 10uthem Excelsior Mountain1; and wide alluviated valley1, such u...younser volcanic rocks. 'California Divifion of Mine~ and Oeolosy 2 AEROMAGNETIC STUDIES, BODIE HILLS...fine-grained clastic strata and, in the southern Excelsior Mountains, conglomeratic beds. The pre-Tertiary...and possibly Paleozoic rocks crop out in the Excelsior Mountains (Ross, 1961, p. 16, 20-21, pl. 2). Rocks...____ 10 ll ____ Adobe and Anchorite Hills and Excelsior Mountains Gilbert and others, 1968, p. 305). |  | | Report (issue) | | Wassuk Range, the Gabbs Valley Range, and the Excelsior Mountains. Modal data indicate that most of the...faults of variable trend. (6) The Mono Lake basin-Excelsior Mountains region contains a broad zone of northeastto...exhibits small surface ruptures produced in the 1934 Excelsior Mountains earthquake (Callaghan and Gianella,...minor argillic material. Alunite is common, and kaolinite and pyrophyllite may be locally abundant. Some...field. (2) Argillized rocks. These rocks have kaolinite and montmorillonite as the dominant minerals. |  | | Catalog/List | | Technical Uses. The Cabinet Collection. The Excelsior Collection. Physical Properties. Crystallography...mineral, "At were of large, prisms, of this mine have been obtained, more Note. - Galena offer...in the specimens Dundasite, bunches samples Mine, of occurs lode. beautiful white large more...originally Cornish mining ceeding by colour, Mine fractures of great the mineral often Mount ...extremely some rarely Anglesite. Embolite, back Mine. with minute of small of capping gossan the |  | | Journal (article/letter/editorial) | | carbon fixation in minerals from serpentine-rich mine tailings using the Rietveld method with X-ray powder...mercury and other metals in Gossan Creek: Murray Brook mine, New Brunswick, Canada— Tom A. Al, Matthew I. Leybourne...Mercury mobility in unsaturated gold mine tailings, Murray Brook mine, New Brunswick, Canada—Sean A. Shaw...freshwater sediment downstream of the Idrija Mercury Mine, Slovenia—Mark E. Hines, Jadran Faganeli, Isaac...trace elements in stream waters polluted by acid mine-drainage: the case of Peña del Hierro, southwestern |
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