 | | Journal (article/letter/editorial) | | Brasília, Instituto de Geociências, Brasilia, DF, Brazil of Western Australia, School of Earth Science,... Cidade Universitária, São Paulo, SP 05508080, Brazil Preface The discovery history of Carajás is briefly...CEP 24365-020 Bairro São Francisco Niterói – RJ Brazil 1. The early Pioneer times The region between...located in the southeastern part of the state of Pará, is known today as Carajás (Fig. 1). Besides plant...the past Geological and Mineralogical Service of Brazil. He explored in the vicinity of São Félix do Xingu |  | Figueiredo e Silva, Rosaline C., Lobato, Lydia M., Zucchetti, Marcia, Hagemann, Steffen, Vennemann, Torsten (2020) Geotectonic signature and hydrothermal alteration of metabasalts under- and overlying the giant Serra Norte iron deposits, Carajás mineral Province. Ore Geology Reviews, 120. 103407 doi:10.1016/j.oregeorev.2020.103407 | Journal (article/letter/editorial) | | Campus Pampulha, Belo Horizonte, MG, 31270.901, Brazil 2 Geologist, Rua Santa Clara, 175/303, Copacabana...Copacabana, Rio de Janeiro, RJ, 30140.002, Brazil 3 Centre for Exploration Targeting, School of Earth and...iron deposits in the Carajás Mineral Province, Brazil. They experienced seafloor hydrothermal alteration;...volcanogenic sequence, arc-type sedimentation of the Grão Pará Group indicated by hyaloclastic tufts, breccias...expressed by enrichment in Th, suggest that the Grão Pará basalts overflowed on the continental crust in a |  | | Journal (article/letter/editorial) | | These consist either of spessartine + quartz + ilmenite, or of spessartine + quartz + Mn amphiboles __+...rhodonite __+ hyalophane __+ Mn stilpnomelane -t- ilmenite. The Mn amphiboles are identified as manganoan...successions. The rocks contain minor amounts of ilmenite, pseudorutile or futile, amphibole and sulphides...silicate gels? Mn carbonates? Mn oxides? 'Clay' Ilmenite ~ Pseudorutile (Psrt)* Pyrophanite Rutile Apatite...optical inhomogeneity: inclusion-rich, darker cores (ilmenite, mille, sulphides, probably also submicroscopic |  | | Journal (article/letter/editorial) | | sphalerite barometry, K feldspar-plagioclase, magnetite-ilmenite and calcite-dolomite thermometry and the presence...II from Buritirama, Brazil: Peters et al. 1977 Rhod Anal. B5-10-80.2 II from Buritirama, Brazil: Peters...Burifirama, Brazil: Peters et aI. 1977 R h o d Anal. B5-10-97.8 IV from Buritirama, Brazil: Peters et...pairs are reported from a manganese deposit in Brazil by Peters et al. (1977) who assign a temperature...Broken Hill Lode, in the New Broken Hill Consolidated Mine, Australia: Part II: Mineralogy. J Geol Soc Aust |  | | Journal (article/letter/editorial) | | 0.001 2.085 6 700 680 682 772 942 Buritirama, Brazil Peters et al. (1977) B-5-22-64-6 0.020 0...Mn-rich bulk compositions (Karnataka, Garbham, Buritirama, Tatehira and Ruby Range) where X~ t varies between...Raumer J (1977) The manganese deposits of Buritirama (Para, Brazil). Schwei Mineral Petrogr Mitt 57:313-327...ASC (1987) Fe-Mn partitioning between garnet and ilmenite: experimental calibration and applications. Contrib |  | da Costa Silva, Antonia Railine, Villas, Raimundo Netuno Nobre, Lafon, Jean-Michel, Craveiro, Gustavo Souza, Ferreira, Valderez Pinto (2015) Stable isotope systematics and fluid inclusion studies in the Cu–Au Visconde deposit, Carajás Mineral Province, Brazil: implications for fluid source generation. Mineralium Deposita, 50 (5) 547-569 doi:10.1007/s00126-014-0558-8 | Journal (article/letter/editorial) | | Cu–Au Visconde deposit, Carajás Mineral Province, Brazil: implications for fluid source generation Antonia...in the Carajás Mineral Province (CMP), northern Brazil, near the contact between the ca. 2.76 Ga metavolcano-sedimentary...Geological Survey of Brazil, Av. André Araújo, 2160, 69060-000 Manaus, AM, Brazil e-mail: railinegeo@gmail...University of Pará-UFPA, Rua Augusto Corrêa, 01, Guamá, P.O. Box 1611, 66075-110 Belém, PA, Brazil R. N. N...Geology (PARÁ-ISO), Geosciences Institute, Federal University of Pará-UFPA, Belém, PA, Brazil V. P. Ferreira |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225 Version...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey, Denver |  | Dasgupta, Somnath, Banerjee, H., Fukuoka, M., Bhattacharya, P.K., Roy, Supriya (1990) Petrogenesis of metemorphosed manganese deposits and the nature of the precursor sediments. Ore Geology Reviews, 5 (4) 359-384 doi:10.1016/0169-1368(90)90039-p | Journal (article/letter/editorial) | | (1964) and Haggerty (1981) for titanomagnetite-ilmenite pairs (Dasgupta et al., 1987b). Hausmannite (ii)...(Huebner, 1967), Alps (Peters et al., 1973, 1978) and Brazil (Peters et al., 1977). The problem on the stabilities...studied partitioning of Fe and Mn between garnet and ilmenite in the P - T range of 600-900 oC, 2-5 kb and for/o~...several natural occurrences (Balmat, USA; Buritirama, Brazil; Labrador, Canada; Tatehira, Japan), but...carbonate- 382 silicate protores (queluzites) from Brazil and their weathering products. Abstr. Symp. 104 |  | | Report (issue) | | Average composition from various types of ore, Thierry mine, Ont. ACANTHITE. Sakharova and Bryzgalov, Mineral...87M/2325 (1987) Analyses (not in abs.) from'Koryu mine, Hokkaido, Japan AIKINITE. Boldyreva (Zap. Vses...Programs with Abstr. 8, 21 (1983). New occurrences, Brazil and Bikita, Zimbabwe, a 4.473, b 11.308, c 4.775A... 281-294) (1986) (Eng) Analyses (3) from Buritirama, Brazil - Phase relations in system CaO-MnO-MgO-K20-Al...(1984). Indigo-blue fluorapatite from King Lithia Mine, S. Dak. Microprobe analyses (4). APATITE. Worner |  | | Journal (article/letter/editorial) | | hematite spessartine piemontite a: Hematite ilmenite rutile quartz albite aegirine riebeckite...pyrophanite. 11 and 12 hematite. 13: rutile. 14: ilmenite. aMn2O3 and MnO recalculated from the structural...Ni)], and Mn2 Mntotal Mn3 . Pyrophanite, ilmenite and hematite structural formula adjusted to 2...and pyrophanite are located at the rim areas and ilmenite or rutile in the core. Exsolution textures as...of the braunite nodules described in the Buckeye Mine (California) by Huebner and Flohr (1990) and Mn |  | | Journal (article/letter/editorial) | | portion of the Amazon craton, known as the Central Brazil shield (Figs. 1 and 2). To the east, the province...CarajaÂs region being a subprovince of the Central Brazil shield. The other hypothesis holds that the post-Archean...implies a complex collisional history of northern Brazil prior to 1.8 Ga. According to this model, the... Parazonia tonalite AÂguas Claras Formation Buritirama, Igarape Bahia, GraÄo ParaÂ, Igarape Pojuca...Igarape Pojuca, Igarape Bahia, GraÄo Para and Buritirama Groups, are greenstone-like sequences collectively |  | | Report (issue) | | analyses of 5 hornblendes, 2 cummingtonites from Frood mine, Sudbury, Ont. Distribution of Al between IV and...Cienc. bU, 197-202 (1978). Analyses from Parana Brazil. AMPHIBOLE. Glassley and Sorensen, J. Petrol. 21...(1977)(English). Probe analyses (4) from Buritirama, Brazil, of series MnC03 - CaC03 - MgC03 (MnO 5.83...Abstr. 30, 168 (1979). Occurrence at Carl in gold mine, Nev., spectrographic analysis, G 8.9. AWARUITE...barbosalite (av. of 2) (H20 by difference) from Brazil. BARBOSALITE. Gevorkyan and Povarrenykh, Konst |  | Santos, Felipe Holanda dos, Amaral, Wagner da Silva, Konhauser, Kurt, Martins, Douglas Teixeira, Castro, Marco Paulo de, Queiroga, Glaucia Nascimento, Chi Fru, Ernest, Andersen, Morten B. (2021) Unraveling sedimentary precursors and metal enrichment of high-grade metamorphosed manganese-rich rocks from the Borborema Province, northeastern Brazil. Ore Geology Reviews, 137. 104283pp. doi:10.1016/j.oregeorev.2021.104283 | Journal (article/letter/editorial) | | rocks from the Borborema Province, northeastern Brazil Felipe Holanda dos Santos a, b, *, Wagner da Silva...Universidade Federal do Oeste do Pará, Santarém, PA, Brazil Departamento de Geologia e Recursos Naturais, Instituto...Universidade Estadual de Campinas, Campinas, SP, Brazil c Department of Earth & Atmospheric Sciences, University...Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil e Centre for Geobiology and Geochemistry, School...Simplified map of the Borborema Province (northeastern Brazil) and Birimian succession from West Africa for the |  | Fletcher, Ian R., Figueiredo, Bernardino Ribeiro, Carvalho, J�ssica Beatriz, Rego, Jos� Luzimar, Nunes, Alfredo Rossetto, Tallarico, Fernando Henrique Bucco, McNaughton, Neal Jesse, Groves, David Ian (2004) Geological and SHRIMP II U-Pb constraints on the age and origin of the Breves Cu-Au-(W-Bi-Sn) deposit, Caraj�s, Brazil. Mineralium Deposita, 39 (1) 68-86 doi:10.1007/s00126-003-0383-y | Journal (article/letter/editorial) | | of the Breves Cu-Au-(W-Bi-Sn) deposit, Carajás, Brazil Received: 24 January 2002 / Accepted: 27 July 2003...Breves deposit in the Carajás CopperGold Belt, Brazil, a member of the Cu-Au-(W-Bi-Sn) group of deposits...Campinas, Cx. Postal 6152, 13.083-970 Campinas, Brazil E-mail: fernando.tallarico@norfalco.com.br F. H...Carajás, Cx. Postal 51, 68.516-000 Parauapebas, Brazil for two phases, and a combined age of 1,879±6...granite Cristalino diorite Itacaiúnas Supergroup Buritirama Group Igarapé Pojuca Group Igarapé Bahia Group |  | | Report (issue) | | holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | deposits of such minerals in adjacent areas of Brazil and Venezuela suggest that eastern Colombia may...deposits, based on analogy with adjacent areas in Brazil and Venezuela. An initial reconnaissance should...is continental or transitional Skarn Cu (2.6) Mine Vlejs Los Guayabas (Tollma) Cranates (Hulla) Also...Cty, CA Santa Helena, Antioquia, Colombia Co to Mine, Luzan, P.I. References Wells, F. G. et al 1946...chromitite, PGE in anorthosite-gabbro and magnetite ilmenite in intrusive complex. PGE placers. Metal Concentrations |  | | Report (volume) | | shoreline placer Ti deposits 272 Ti02 grades from ilmenite in shoreline placer Ti deposits 272 Ti02 grades...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...PGE DEPOSIT DESCRIPTION Mineralogy Chromite ± ilmenite ± magnetite ± pyrrhotite ± pentlandite ± chalcopyrite |  | | Journal (article/letter/editorial) | | lumped together with the output of a larger local mine. The locality registered in the literature is thus...of an orebody (or orebodies). At the old Crimora Mine in Virginia (Eilertsen and Feiss, 1946), "about...credited with 1045 Mn mines. This amounts to one mine per 362 km 2. Canada, on the other hand, has only...occurrences contain more than 100 t Mn (i.e., one Mn mine per 551,000 km2). Some small mineralized belts,...Pt metals in the Bushveld Complex; Nb in Araxa, Brazil; rare earths in Bayan Obo, China), and is approximately |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Book (edition) | | noted that many 'metallic ores', such as bauxite, ilmenite, chromite and manganese minerals, are also important...communities to be plunged into unemployment because a mine or mines have become unprofitable, a need to earn...for, and hence the price of, the mine product, well in advance of mine development. A useful recent discussion...market in the 1980s from a non-member of the Council-Brazil. Brazilian production rose from 6000 t in 1981...producers have spent vast sums of money on exploration, mine development and production but have paid too little |  | | Book | | base of the Complex (Vermaak, 1976). At the Atok mine, platinoid minerals tend to occur at the boundaries...kimberlites. Morphologically, titaniferous magnetite and ilmenite deposits are broadly analogous with chromite de¬...irregular massive layers) of mo¬ saic-textured ilmenite-hematite are commonly part of plutonic anorthositic...(Hammond, 1952; Gross, 1968). The resemblance of the ilmenite-hema¬ tite pods to podiform chromite in alpine-type...that the ilmenite pods are also recrys¬ tallized cumulates. It is not clear whether the ilmenite-hematite |  | | Book (volume) | | quartz-hematite-anthophyllite schist, Smallwood mine, Upper Wabush Iron Formation, S. W. Labrador (Klein...cummingtonite, garnet, plagioclase, quartz, biotite, ilmenite and tutile. Post Pond Volcanics, Vermont, USA...quartz + cordierite + biotite + orthopyroxene + ilmenite + gedrite or garnet. They concluded from textural...Ca-rich with hornblende and the most Ti-rich with ilmenite or rutile. The metamorphic rocks of the aureole...plotted on diagram projected from plagioclase, ilmenite and magnetite on the plane A ( hAl,O3 —CaO - ¢/2Na |  | | Book (volume) | | Fe-Mn minerals (in addition to magnetite also ilmenite, jacobsite, ulvöspinel, or others). A formation...heavy minerat fraction are magnetite, chromite, ilmenite, sulfides, native Pb, Pb-Sb alloys, native Cu...with ~9% Mn coexisting with alabandite of the Sätra mine, see p. 69; and with 5.6% Mn coexisting with niningerite...as components of the Pb-Zn ores of the Huanzala mine, 250 km north of Lima, Peru, where Fe-Mn sphalerite...distribution for both sphalerite types within the mine [36]. Mn-containing sphalerite (with 19.8 to 1.8 |  | | Report (issue) | | «2. of the eccisemene of the Misima Gold-Silver Mine, Papua New Guinea ........ .G. I. Wilson and R....C. Barwick eae ie Discovery. The McLaughlin Gold Mine, Napa, Yolo, and Lake Counties, California Fre...is arbitrary, because concepts have changed in mine was in production until the 1970s. Some indi- cations...with new discoveries, augmented geologic the Los mine (Cronstedt, 1754). The alloy was called knowledge...and and Nixon, 1985). The opening of the Espedalen mine mineralogy of the Norwegian sulfide Ni-Cu deposits |  | | Report (issue) | | EJEMPLOS High Plateau, Del Norte County, USCA Goto Mine, Luzon, PLPN (Wells y otroa, 1946) (LeBlano y Violette...Nombre Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue...etc Buttercup Chrome Camden Mine Campbell Camptonville area Castro Mine Cattle Springs Cavyell Horse...Cleopatra Clover Leaf Codd Prospect Coggins Collard Mine Commander Coon Mt. Nos. 1-3 Copper Creek (Low Divide)...Fourth of July French Hill Friday Gallagher Gardner Mine Gas Canyon Geach Gibaonville Gill (Gill Ranch) Gillan |
|
