 | Chen, H., Clark, A. H., Kyser, T. K., Ullrich, T. D., Baxter, R., Chen, Y., Moody, T. C. (2010) Evolution of the Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru. Economic Geology, 105 (1) 155-185 doi:10.2113/gsecongeo.105.1.155 | Journal (article/letter/editorial) | | Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru HUAYONG CHEN,1,†,* ALAN H...Grande Formation arc. Subsequent areally widespread, albite-marialite alteration (Na-Cl metasomatism) largely...where Middle Jurassic andesites experienced intense albite-actinolite alteration at ca. 157 Ma, i.e., contemporaneous...magnetite and copper-rich centers of the Marcona district record independent metallogenic episodes widely...China Geological Survey, 45 Fuwai Street, Xicheng District, Beijing, P.R. China, 100037. ‡‡Present address: |  | | Thesis/Dissertation | | of Non-Metallic Mineral Deposits in the La Paz Region, Bolivia Department of Civil, Environmental and...of Non-Metallic Mineral Deposits in the La Paz Region, Bolivia Ariana Zeballos Ore Geology Geological...of Non-Metallic Mineral Deposits in the La Paz Region, Bolivia Ariana Zeballos Luleå University of...megacrystalline granite with 5–10 cm long orthoclase, albite and oligoclase crystals that contain a considerable...recursos diatomíticos de las localidad de Charaña y Bella Vista (Departamentos de La Paz y Potosí) XX Congreso |  | | Journal (article/letter/editorial) | | that the Carlos Francisco Mine has beenopened. The name of one other mine needsto be borne in mind--the... . • Fro. x. Map of CentralPart of Casapalca District. C.M., CarmenMember; T.V., TablachacaVoltanits;...mm. long, of feldsparrangingin composition from albite througholigoclase to andesine.The feldsparis highlysericitized...Intrusive Rocks. _All the intrusive rocks of the district are similar chemically, but differ in texture...somewhat sericitized feldspar microlites (oligoclase-albite).with small grains and shreds of hornblendesparingly |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...carbonates (ankerite, calcite, dolomite, and siderite), albite, biotite, and chlorite among others (Berger, 1986)...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 |  | | Journal (article/letter/editorial) | | leaf gold, smoky quark, and turquoise specimens, New Mexico boasts an array of mineral species. RAMON...Albuquerque, New Mexico 87110 THE PURPOSE OF THIS INDEX is to provide a comprehensive listing of New Mexico...Particular attention was directed toward incorporating new information on discoveries and occurrences, although...made to compile all of the mineral occurrences in New Mexico-a venture of that magnitude is beyond the...classic Minerals of New Mexico is the basic reference for locations. Abstracts from the New Mexico mineral |  | Wülser, Pierre-Alain, Meisser, Nicolas, Brugger, Joël, Schenk, Kurt, Ansermet, Stefan, Bonin, Michel, Bussy, François (2006) Cleusonite, (Pb,Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38, a new mineral species of the crichtonite group from the western Swiss Alps. European Journal of Mineralogy, 17 (6) 933-942 doi:10.1127/0935-1221/2005/0017-0933 | Journal (article/letter/editorial) | | Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38, a new mineral species of the crichtonite group from the...U6+) (Fe2+,Zn)2 (Ti,Fe2+,Fe3+)18 (O,OH)38, is a new member of the crichtonite group. It was found at...Siviez-Mischabel Nappes in Valais, Switzerland (Cleuson and Bella Tolla summit), and named after the type locality...from Huanglongpu (China). Key-words: cleusonite, new mineral, Swiss Alps, crichtonite group, uranium oxidation...gramaccioliite-(Y) (Orlandi et al., 2004) and the new mineral cleusonite (Table 1). Crichtonites are characterised |  | | Journal (issue) | | in Brazil. Photo: Chip Clark. In this issue … Albite, a kind of plagioclase feldspar. The specimen shows...derived from Spalt, meaning a split in the rock.) Albite, a kind of plagioclase feldspar with the formula...EFMLS: Safety tip—Personal limits ........... p. 10 New AFMS president: Matt Charsky ......... p. 11 Story........... p. 19 above left (from Crete) shows, albite (like all feldspars) splits along clean planes...room before visiting the dealers in the ballroom. New Business The joint club Christmas party will be on |  | | Journal (issue) | | aggregati fascicolati curvi con violano ed alurgite, in albite e quarzo. Evidenziabili con acidatura non vanno...cubo molto sottile: è associata a piemontite ed albite ed a due minerali macroscopici non ancora identificati...grasso (analisi Prof. A. Barresi). Si trova con albite e più comunemente in rodonite. Specie tipiche Il...con terminazione vitrea rosa scuro, trovata su albite in associazione con violano, piemontite e criptomelano...giacitura. La prima volta fu descritto in vene di albite: in queste si può trovarlo raramente in cristalli |  | Conte, Aida Maria, Di Bella, Letizia, Ingrassia, Michela, Perinelli, Cristina, Martorelli, Eleonora (2020) Alteration and Mineralization Products of the Zannone Giant Pockmark (Zannone Hydrothermal Field, Central Tyrrhenian Sea) Minerals, 10 (7) 581 doi:10.3390/min10070581 | Journal (article/letter/editorial) | | Tyrrhenian Sea) Aida Maria Conte 1 , Letizia Di Bella 2 , Michela Ingrassia 1 , Cristina Perinelli 2,...Figure 2. 2. Modified Modified after after Di Di Bella Bella et et al. al. [15]. [15]. The main main depression...sericitized and quartz, several phenocrysts of authigenic albite, partial to completely replaced by hydrothermal...K-feldspar and quartz, several phenocrysts of authigenic albite, partial to completely replaced by phyllosilicates...and sulfur (Table S1), while phyllosilicates and albite are lacking This displays a quartz-K feldspar aggregate |  | | Journal (issue) | | of the Champion Mine. The mine was managed by Copper Range Company. The Champion Mine had six shafts at...still in operation in 1930. During the 1930s the mine was working the 48th level, 4,800 feet from the...Champion Mine was one of the largest and richest copper mines in the Lake Superior region. The mine produced...between 1899 and 1925. During this same period, the mine paid $29,070,261 in dividends. Figure 1: View of...around 1929. The mine operated for nearly 65 years before closing in 1967. The mine was one of the longest |  | | Journal (article/letter/editorial) | | jadeitite does not form through decomposition of albite, but by hydrothermal activity. Some strontium dominant...jadeitite deposits was described as the Itoigawa–Ohmi district. Following the merging of Ohmi Town into Itoigawa...in Japan is as old as that in Europe (Domínguez–Bella et al., 2016). These cultures are the oldest known...jadeitites, the equilibrium line of NaAlSi3O8 (albite) → NaAlSi2O6 ( jadeite) + SiO2 (quartz), has been...been studied by Birch and LeComte (1960). Albite decomposes into jadeitite and quartz under the high–pressure |  | | Report (issue) | | chalcopyrite, uraninite, quartz, chlorite, calcite, albite, microcline, tourmaline, fluorapatite, zircon,...crichtonite, monazite-(Ce), gold (Cleuson); quartz, albite, barite, chalcopyrite, uraninite, tennantite, pyrite...malachite (Bella Tolla summit). Distribution: From near Cleuson, upper Val de Nendaz, and near the Bella Tolla...Sr)(U4+,U6+)(Fe2+,Zn)2(Ti,Fe2+,Fe3+)18(O,OH)38, a new mineral species of the crichtonite group from the |  | | Book | | Originally published by Springer-Verlag Berlin Heidelberg New York in 1990 Softoover reprint of the hardcover 1st... First, it is primarily a report of facts, or a new interpretation of known facts. The coverage of the...above and, at the same time, it will help to define new research and exploration objectives. January 1990... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Deposits Huaripampa and Carahuacra in the Mining District of San Cristobal, Central Peru M. Dalheimer . |  | | Journal (article/letter/editorial) | | Washington, DC 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers...Fluorite with sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners...cleaved off. The pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center...after fluorite cubes from Trestia, Transylvania region, Maramures County, Romania, appears to be a complete...example, Dunn (1995) reported that some Franklin, New Jersey, fluorites fade when exposed to light. Other |  | | Journal (article/letter/editorial) | | Vera, La Bella and La Tinajita, of the lower three disconnected outcrops, namely, La Vera, La Bella and La...while the lowest contents were observed at the La Bella and La Tinajita occurrences, in which glauconite...the glauconite concentrates from La Vera and La Bella exposures showed a dark green to almost black color...roundness (0.77), while the concentrate from La Bella was characterized by smaller and more elongate grains...of quartz albite. Mineral abbreviations: Ab (albite); Ilm (ilmenite); Qz (quartz). and albite. Mineral |  | Li, Rucao, Chen, Huayong, Xia, Xiaoping, Yang, Qing, Li, Ling, Xu, Jian, Huang, Chao, Danyushevsky, Leonid V. (2017) Ore fluid evolution in the giant Marcona Fe-(Cu) deposit, Perú: Evidence from in-situ sulfur isotope and trace element geochemistry of sulfides. Ore Geology Reviews, 86. 624-638 doi:10.1016/j.oregeorev.2017.03.025 | Journal (article/letter/editorial) | | Chen et al., 2015a,b). In this study, we present new in-situ sulfur isotope and trace element data of...Marcona sulfides (of Stage IV, V and VII). With the new data, we discuss the source and ore-forming fluids...magmatism is also observed in the Marona-Mina Justa district. The oldest igneous event is represented by the...activity is recorded by the emplacement of the Bella Unión complex, dominantly consisting of hypabyssal...stratigraphic relation, the emplacement of the Bella Unión complex should be around 109 ± 4 Ma (Cobbing |  | | Book (volume) | | localitiJ. Cromo-diopside. Del diopside esiste una bella va rieta cromifera, di colore verde smeraldo intenso...) . Rodonite La rodonite (CaMn4Si5O 15) e una bella specie, di colore nettamente roseo, che diventa...Sempione (Valle di Binn). Nel Tirolo austriaco, della bella tremolite si trova alla Zillertal ( Greiner) e presso...Maggia ; Arvigo e Landarenca in Val Calanca) ; bella preh nite e nota anche i n Val d'Ala, o nell'I...essere scambiati dai << profani >> . T.uttavia le la mine di clorite sono poco elastiche, e cioe que ste |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 91, pages 1201–1209, 2006 New mineral names* T. SCOTT ERCIT,1,‡ PAULA C. PIILONEN...(2005) Allochalcoselite, Cu+Cu2+5 PbO2(SeO3)2Cl5—a new mineral from volcanic exhalations (Kamchatka, Russia)...134(3), 70–74 (in Russian, English abstract). The new mineral species allochalcoselite has been found among...the Great Tolbachik Fissure Eruption, Kamchatka Region, Russia that took place in 1975–1976. Associates...with an asterisk were approved by the Commission on New Minerals and Mineral Names, International Mineralogical |  | | Report (issue) | | scale to the north of Rossing Siding, Swakopmund District (Martin, 1965). The mineral has also been reported...Marmor Pforte 37, Swakopmund District. On Neuhof 100 in the Maltahohe District, amazonite is found in granitic...the homestead on the farm Donkerhuk 91, Karibib District (DeKock, 1935; Biirg, 1942). Forming the crest...due north of Rossing Siding in the Swakopmund District (Wagner, 1916; Reuning, 1923; Biirg, 1942; Martin...farm Riet 30 (Fig. 2). On Tsaobismund 85, Karibib District, about 10 to 15 kg of aquamarine of varying quality |  | | Journal (article/letter/editorial) | | important porphyry 124 copper deposits of this region are even preserved in the footwall of normal faults...Jurassic to Lower Cretaceous rocks 161 In the region of Suaqui Verde, the Paleozoic sediments are unconformably...magmatism, the 172 basement metamorphic rocks in the region of La Caridad were unconformably covered 173 ...crop out in the vicinity of La Caridad. In the region 179 of Suaqui Verde there are no remnant rocks...corresponds to a long period of erosion in this region associated with the 181 dismantlement of the |  | | Journal (article/letter/editorial) | | Sulfide Deposits of the Bully Hill Area, East Shasta District, California MICHAEL M. GUSTIN† Cambior Exploration...ranging from intense silicification to a quartz-albite-chlorite-epidote assemblage, are found within the...BASE metal sulfide deposits of the East Shasta district, northern California (Fig. 1), have been interpreted...for the cluster of deposits near the Afterthought mine (Fredericks, 1980; Eastoe and Nelson, 1988). In...near Bully Hill (Fig. 2) are presented, including new data on the stratigraphy, structure, alteration zonation |  | Syverson, Drew D., Etschmann, Barbara, Liu, Weihua, Ram, Rahul, Mei, Yuan, Lanzirotti, Tony, Mercadier, Julien, Brugger, Joël (2019) Oxidation state and coordination environment of Pb in U-bearing minerals. Geochimica et Cosmochimica Acta, 265. 109-131 doi:10.1016/j.gca.2019.08.039 | Journal (article/letter/editorial) | | Department of Geology and Geophysics, Yale University, New Haven, CT, USA School of Earth, Atmosphere and Environment...essential element (uraninite, coffinite, brannerite), new data on zircon and titanite were also collected to...of mineralization Regional geology Uraninite, Bella Tolla, Val d’Annivier, Switzerland Disseminated...quartz, albite and barite veins. Alpine – i.e. Oligocene-Miocene in age. Uraninite, Ike-Nixon mine, Utah...(quartzites and arkoses). The Lisbon Valley uranium district (Huber, 1981) is located in the east-central part |  | | Journal (issue) | | by R. W. Eveleth S tib n ites o f the Stayton district, H o llister, C a lif o r n ia .................field and are strongly motivated to find something new or different, rare or interesting, bigger or better...into exhibits offers the opportunity to attract new visitors, and to encourage previous visitors to return...mineralogist/collector particularly appreciates knowing what is new or being produced currently at given localities....references and figure captions. The first line of each new paragraph must be indented. 3. Word processors. Manuscripts |  | | Journal (issue) | | Ma morto io ci sarà pure un presidente valido! Bella scoperta... Il punto della situazione è che le diverse...e trattasi di una ricerca di pirite in regione Bella Costa (sopra Voragno). Considerando la denominazione...miniera di Vernetto inferiore. Minerali rinvenuti Albite massiva ed in cristalli, braunite massiva ed in...miniera di Vernetto intermedio. Minerali rinvenuti Albite massiva ed in cristalli, ardennite in spalmature...miniera di Vernetto superiore. Minerali rinvenuti Albite massiva ed in cristalli,braunite massiva, caryopilite |  | | Report (Issue volume) | | 3 Where to Look Quarries, mine workings (pits, trenches, etc.), and mine dumps arc usually good places...caution. Permission should be sought before entering a mine, quarry or other private property; in active mining...by Canadians or visitors in Canada. The rights of mine and property owners should be observed at all times...by G. F. Kunz (The Scientific Publishing Companv, New York, 1890 ). Gemstones of N. Amer.-Gemstones of...1957 . GSC, Ann. Rept. (New Ser.)-Geological Survey of Canada , Annual Report, New Series. GSC, Bull.-Geological |
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