 | Pollard, Peter J., Taylor, Roger G., Peters, Lisa, Matos, Fernando, Freitas, Cantidiano, Saboia, Lineu, Huhn, Sergio (2019) 40Ar-39Ar dating of Archean iron oxide Cu-Au and Paleoproterozoic granite-related Cu-Au deposits in the Carajás Mineral Province, Brazil: implications for genetic models. Mineralium Deposita, 54 (3) 329-346 doi:10.1007/s00126-018-0809-1 | Journal (article/letter/editorial) | | Cu-Au deposits in the Carajás Mineral Province, Brazil: implications for genetic models Peter J. Pollard...Industrial Simão da Cunha, Santa Luzia, MG 33.040-900, Brazil Miner Deposita Introduction Bi) deposits, including...Sequeirinho, Moreto et al. 2015a), 2.57 Ga (e.g., Salobo, Requia et al. 2003 and Igarapé Bahia, Tallarico...at the southeastern margin of the Amazon Craton, Brazil. Since discovery of the Carajás iron deposits in...in 1967 (Tolbert et al. 1971) and the Salobo copper-gold deposit in 1977 (Lindenmayer and Teixeira 1999) |  | Torresi, Ignacio, Xavier, Roberto Perez, Bortholoto, Diego F. A., Monteiro, Lena V. S. (2012) Hydrothermal alteration, fluid inclusions and stable isotope systematics of the Alvo 118 iron oxide–copper–gold deposit, Carajás Mineral Province (Brazil): Implications for ore genesis. Mineralium Deposita, 47 (3) 299-323 doi:10.1007/s00126-011-0373-4 | Journal (article/letter/editorial) | | oxide–copper–gold deposit, Carajás Mineral Province (Brazil): Implications for ore genesis Ignacio Torresi...scapolite); (2) potassic alteration (biotite or K-feldspar) accompanied by magnetite formation and silicification;...UNICAMP, P.O. Box 6152, 13083–970 Campinas, SP, Brazil e-mail: xavier@ige.unicamp.br salinity (<15 wt...oxide–copper–gold (IOCG) deposits, mainly represented by the Salobo (789 Mt at 0.96 wt.% Cu, 0.52 g/t Au, 55 g/t Ag;... intense hydrothermal alteration including major K– Fe alteration and ore-related, late stage chlorite |  | | Journal (article/letter/editorial) | | integrated model for the Neoarchean Carajás IOCG System, Brazil Maria Emilia Schutesky, Claudinei Gouveia de Oliveira...integrated model for the Neoarchean Carajás IOCG System, Brazil, Ore Geology Reviews (2020), doi: https://doi.org/10...integrated model for the Neoarchean Carajás IOCG System, Brazil Maria Emilia Schutesky & Claudinei Gouveia de Oliveira...Universidade de Brasília, Brazil The Carajás Mineral Province, located in northern Brazil, comprises the oldest...orthopyroxene(-marialite) in the Ni-rich GT-34 and Salobo deposits extend further the P-T boundaries to temperatures |  | Monteiro, Lena V. S., Xavier, Roberto P., de Carvalho, Emerson R., Hitzman, Murray W., Johnson, Craig A., de Souza Filho, Carlos Roberto, Torresi, Ignácio (2008) Spatial and temporal zoning of hydrothermal alteration and mineralization in the Sossego iron oxide–copper–gold deposit, Carajás Mineral Province, Brazil: paragenesis and stable isotope constraints. Mineralium Deposita, 43 (2) 129-159 doi:10.1007/s00126-006-0121-3 | Journal (article/letter/editorial) | | oxide–copper–gold deposit, Carajás Mineral Province, Brazil: paragenesis and stable isotope constraints Lena...0.28 g/t Au) in the Carajás Mineral Province of Brazil consists of two major groups of orebodies (Pis...Calógeras, 51, CEP 13083–970 Campinas, Sao Paulo, Brazil e-mail: lena@ige.unicamp.br M. W. Hitzman Department...restricted zones of potassic (biotite and potassium feldspar) alteration that grades outward to chlorite-rich...Mineral Province . Brazil Introduction The Sossego iron oxide–copper–gold (IOCG) mine, operated by the |  | Grainger, Christian J., Groves, David I., Tallarico, Fernando H.B., Fletcher, Ian R. (2008) Metallogenesis of the Carajás Mineral Province, Southern Amazon Craton, Brazil: Varying styles of Archean through Paleoproterozoic to Neoproterozoic base- and precious-metal mineralisation. Ore Geology Reviews, 33 (3) 451-489 doi:10.1016/j.oregeorev.2006.10.010 | Journal (article/letter/editorial) | | Carajás Mineral Province, Southern Amazon Craton, Brazil: Varying styles of Archean through Paleoproterozoic...124, Bairro Beira Rio, Parauapebas, PA 68515-000, Brazil Centre for Global Metallogeny and Centre for Exploration...Universidade Estadual de Campinas, Campinas, SP, Brazil Received 31 January 2006; accepted 8 October 2006...are classic Fe-oxide Cu–Au deposits that include Salobo, Igarapé Bahia–Alemão, Cristalino and Sossego....invariably present. Rhenium–Os dating of molybdenite at Salobo and SHRIMP Pb–Pb dating of hydrothermal monazite |  | Monteiro, Lena Virgínia Soares, Xavier, Roberto Perez, Hitzman, Murray W., Juliani, Caetano, de Souza Filho, Carlos Roberto, Carvalho, Emerson de R. (2008) Mineral chemistry of ore and hydrothermal alteration at the Sossego iron oxide–copper–gold deposit, Carajás Mineral Province, Brazil. Ore Geology Reviews, 34 (3) 317-336 doi:10.1016/j.oregeorev.2008.01.003 | Journal (article/letter/editorial) | | oxide–copper–gold deposit, Carajás Mineral Province, Brazil Lena Virgínia Soares Monteiro a,⁎, Roberto Perez...Pandiá Calógeras, 51, CEP 13083-970, Campinas, SP, Brazil Department of Geology and Geological Engineering...Rua do Lago, 562, CEP 05508-080, São Paulo, SP, Brazil A R T I C L E I N F O Article history: Received...oxide–copper–gold deposit Carajás Mineral Province Brazil Mineral chemistry Geothermobarometry A B S T R...the southeast part of the Amazon Craton in Pará State, Brazil, contains the world's largest known concentration |  | Garcia, Victor B., Emilia Schutesky, Maria, Oliveira, Claudinei G., Whitehouse, Martin J., Huhn, Sergio R.B., Augustin, Claudia T. (2020) The Neoarchean GT-34 Ni deposit, Carajás mineral Province, Brazil: An atypical IOCG-related Ni sulfide mineralization. Ore Geology Reviews, 127. 103773pp. doi:10.1016/j.oregeorev.2020.103773 | Journal (article/letter/editorial) | | Neoarchean GT-34 Ni deposit, Carajás Mineral Province, Brazil: an atyp‐ ical IOCG-related Ni sulfide mineralization...Neoarchean GT-34 Ni deposit, Carajás Mineral Province, Brazil: an atypical IOCG-related Ni sulfide mineralization...Neoarchean GT-34 Ni deposit, Carajás Mineral Province, Brazil: an atypical IOCG-related Ni sulfide mineralization... of Ottawa, Canada b University of Brasilia, Brazil c Department of Geosciences, Swedish Museum of...Ceará, Brazil Abstract The GT-34 deposit, located 12 km to the SW of the Sossego copper-gold mine in the |  | Moreto, Carolina Penteado Natividade, Monteiro, Lena V. S., Xavier, Roberto P., Amaral, Wagner S., dos Santos, Ticiano José S., Juliani, Caetano, de Souza Filho, Carlos Roberto (2011) Mesoarchean (3.0 and 2.86 Ga) host rocks of the iron oxide–Cu–Au Bacaba deposit, Carajás Mineral Province: U–Pb geochronology and metallogenetic implications. Mineralium Deposita, 46 (7) 789-811 doi:10.1007/s00126-011-0352-9 | Journal (article/letter/editorial) | | Calógeras, 51, CEP 13083-970 Campinas, São Paulo, Brazil e-mail: carolina.moreto@ige.unicamp.br C. Juliani...Lago, 562, CEP 05508-080 São Paulo, São Paulo, Brazil W. S. Amaral Geology Department, Federal University...of Ceará, UFC, CEP 60455-760 Fortaleza, Ceará, Brazil Introduction The Carajás Mineral Province (CMP)...located in the southern part of the Amazonian Craton (Brazil), represents one of the most well-endowed mineral...deposit. The main IOCG deposits of the CMP include Salobo (789 Mt @ 0.96% Cu, 0.52 g/t Au, 55 g/t Ag; Souza |  | | Journal (article/letter/editorial) | | 38500-000, Brazil 2 Instituto de Geociências, Universidade de São Paulo (São Paulo), SP 05508-080, Brazil Abstract...deposit, located at 3 km north of the Sossego IOCG Mine (355 Mt @ 1.5 % Cu and 0.28 g/t Au; Lancaster et...copper–(nickel) enrichment. It is close to the Sossego Mine, which records multiple hydrothermal events responsible..., 2015a), a host to the IOCG ore at the Sossego Mine, is interpreted as a part of this Mesoarchean greenstone...Huhn et al., 1999; Moreto et al., 2015b). The Old Salobo and Itaciaúnas granites (ca. 2.57 Ga; Machado et |  | Tallarico, F. H. B., Figueiredo, B. R., Groves, D. I., Kositcin, N., McNaughton, N. J., Fletcher, I. R., Rego, J. L. (2005) Geology and SHRIMP U-Pb Geochronology of the Igarape Bahia Deposit, Carajas Copper-Gold Belt, Brazil: An Archean (2.57 Ga) Example of Iron-Oxide Cu-Au-(U-REE) Mineralization. Economic Geology, 100 (1) 7-28 doi:10.2113/100.1.0007 | Journal (article/letter/editorial) | | Igarapé Bahia Deposit, Carajás Copper-Gold Belt, Brazil: An Archean (2.57 Ga) Example of Iron-Oxide Cu-Au-(U-REE)...Campinas, Caixa Postal 6152, 13.083-970, Campinas, SP, Brazil, and Centre for Global Metallogeny, School of Earth...Campinas, Caixa Postal 6152, 13.083-970, Campinas, SP, Brazil DAVID I. GROVES,† NATALIE KOSITCIN, NEAL J. MCNAUGHTON...Parauapebas, PA, Brazil Abstract A striking feature of the Carajás region, Brazil, is the clustering...Bahia volcano-sedimentary sequence and the Grão Pará volcanic rocks, which have published ages of ca |  | 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...(albite-scapolite; albite-actinolite-scapolite-epidote; K-feldspar-biotite; chlorite-actinolite-epidote-calcite...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 |  | Melo, Gustavo H.C. de, Monteiro, Lena V.S., Xavier, Roberto P., Moreto, Carolina P.N., Arquaz, Raul M., Silva, Marco Antonio Delinardo (2019) Evolution of the Igarapé Bahia Cu-Au deposit, Carajás Province (Brazil): Early syngenetic chalcopyrite overprinted by IOCG mineralization. Ore Geology Reviews, 111. 102993 doi:10.1016/j.oregeorev.2019.102993 | Journal (article/letter/editorial) | | Igarapé Bahia Cu-Au deposit, Carajás Province (Brazil): early syngenetic chalcopyrite overprinted by...Igarapé Bahia Cu-Au deposit, Carajás Province (Brazil): early syngenetic chalcopyrite overprinted by...Igarapé Bahia Cu-Au deposit, Carajás Province (Brazil): early syngenetic chalcopyrite overprinted by...Pandiá Calógeras, 51, 13083-870 Campinas (SP), Brazil 2 Institute of Geosciences, University of São...(USP), Rua do Lago, 562, 05508-080 São Paulo (SP), Brazil *corresponding author Abstract The Igarapé Bahia |  | Dreher, Ana M., Xavier, Roberto P., Taylor, Bruce E., Martini, Sérgio L. (2008) New geologic, fluid inclusion and stable isotope studies on the controversial Igarapé Bahia Cu–Au deposit, Carajás Province, Brazil. Mineralium Deposita, 43 (2) 161-184 doi:10.1007/s00126-007-0150-6 | Journal (article/letter/editorial) | | Igarapé Bahia Cu–Au deposit, Carajás Province, Brazil Ana M. Dreher & Roberto P. Xavier & Bruce E. Taylor...Igarapé Bahia Cu–Au deposit in the Carajás Province, Brazil, is hosted by steeply dipping metavolcanosedimentary...Geological Survey of Brazil, Av. Pasteur 404, 22290-240 Rio de Janeiro, RJ, Brazil e-mail: amdreher@rj...UNICAMP, Caixa Postal 6152, 13083-970 Campinas, SP, Brazil e-mail: xavier@ige.unicmap.br B. E. Taylor Geological...de Almeida 15/201, 22291-000 Rio de Janeiro, RJ, Brazil e-mail: martini.s@uol.com.br Mineralization is |  | | Journal (article/letter/editorial) | | magnetite from Igarapé Bahia, Alemao, Sossego, Salobo, and Candelaria iron oxide copper-gold (IOCG) and...type 1 CDR process, minor and trace elements Si, K, Ca, Mg, Al, and Mn in magnetite are excluded, and...which is characterized by increased contents of Si, K, Ca, Mg, Al, and Mn. Type 1 CDR process is possibly...the Igarapé Bahia, Alemao, Sossego, and Salobo deposits in Brazil and the Candelaria deposit in Chile, whereas...distributed in the Carajás mineral province of Brazil and in the Chilean iron belt. The detailed geology |  | Berni, G. V., Heinrich, C. A., Lobato, L. M., Wall, V. J., Rosiere, C. A., Freitas, M. A. (2014) The Serra Pelada Au-Pd-Pt Deposit, Carajas, Brazil: Geochemistry, Mineralogy, and Zoning of Hydrothermal Alteration. Economic Geology, 109 (7) 1883-1899 doi:10.2113/econgeo.109.7.1883 | Journal (article/letter/editorial) | | 1883–1899 The Serra Pelada Au-Pd-Pt Deposit, Carajás, Brazil: Geochemistry, Mineralogy, and Zoning of Hydrothermal...Gerais, Av. Antônio Carlos, 6627, Belo Horizonte, Brazil 4 Colossus Minerals Inc., The Exchange Tower,...oxide-hosted copper-gold deposits of the Amazon craton in Brazil. The unusual low-temperature hydrothermal mineralization...hydrothermal alteration include C and Mg addition, K depletion, localized silica loss, and silicification...and near the eastern edge of the Amazon craton in Brazil. The Itacaiúnas belt comprises an Archean granitegneiss |  | 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...million tonnes) Fe-oxide Cu-Au-(U-REE) deposits (e.g. Salobo, Igarapé Bahia, Cristalino and Sossego), whose |  | | Journal (article/letter/editorial) | | Australia (Ernest Henry), the Carajás district, Brazil (Salobo, Cristalino, Sossego, Alemão) and the Coastal...possibly linked to mineralization Estrela and Old Salobo granites Eureka Supersuite Coastal Batholith...Copiapó pluconic complex Eureka Supersuite Old Salobo granite Composition range Tonalite to monzongranite...granite) Monzogranite (Old Salobo granite) Oxidation state Magnetite series (Old Salobo granite) Magnetite series...Age 2,573±2 Ma (Old Salobo granite) 2,763±7 Ma (Estrela granite) Major deposits Salobo, Sossego, Alemão |  | Marangoanha, Bhrenno, Oliveira, Davis Carvalho de, Oliveira, Vinícius Eduardo Silva de, Galarza, Marco Antonio, Lamarão, Cláudio Nery (2019) Neoarchean A-type granitoids from Carajás province (Brazil): New insights from geochemistry, geochronology and microstructural analysis. Precambrian Research, 324. 86-108 doi:10.1016/j.precamres.2019.01.010 | Journal (article/letter/editorial) | | Neoarchean A-type granitoids from Carajás province (Brazil): New insights from geochemistry, geochronology...Neoarchean A-type granitoids from Carajás province (Brazil): New insights from geochemistry, geochronology... Neoarchean A-type granitoids from Carajás province (Brazil): New insights from geochemistry, geochronology...Universidade Federal do Pará (UFPA), Rua Augusto Corrêa, 01, CEP 66075-110, Belém, Pará, Brazil b Programa de...Belém, Pará, Brazil c Laboratório de Geologia Isotópica (Pará-Iso), IG-UFPA, Belém, Pará, Brazil d Laboratório |  | | Report (chapter) | | less advanced than, for example, From: Gessner, K., Blenkinsop, T. G. & Sorjonen-Ward, P. (eds) Characterization...Chile (Marschik & Fontboté 2001) and Carajàs, Brazil (Ronzê et al. 2000; Grainger et al. 2008) – reveals...diorite are present in the albite – hematite –K-feldspar –biotite –altered discordant breccia (Fig. 6g–...(Fig. 7a), pre-ore magnetite – apatite –biotite– K-feldspar (Fig. 7b) and ore-stage Downloaded from http://sp...of all other rock types. Hem, hematite; Ksp, K-feldspar; Mag, magnetite; Bt, biotite; Carb, carbonate; |  | Martins, Pedro Luiz Gomes, Toledo, Catarina Labouré Bemfica, Silva, Adalene Moreira, Chemale Jr, Farid, Santos, João Orestes Schneider, Assis, Luciano Mozer (2017) Neoarchean magmatism in the southeastern Amazonian Craton, Brazil: Petrography, geochemistry and tectonic significance of basalts from the Carajás Basin. Precambrian Research, 302. 340-357 doi:10.1016/j.precamres.2017.10.013 | Journal (article/letter/editorial) | | Magmatism in the Southeastern Amazonia Craton, Brazil: Petrography, Geochemistry and Tectonic Significance...Magmatism in the Southeastern Amazonia Craton, Brazil: Petrography, Geochemistry and Tectonic Significance...MAGMATISM IN THE SOUTHEASTERN AMAZONIA CRATON, BRAZIL: PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SIGNIFICANCE...Instituto de Geociências, 70910-900 Brasília, DF, Brazil. b Universidade do Vale do Rio dos Sinos, Departamento...Departamento de Geologia, 93022-000 São Leopoldo, RS, Brazil. c Centre for Exploration Targeting, University |  | Huang, Xiao-Wen, Boutroy, Émilie, Makvandi, Sheida, Beaudoin, Georges, Corriveau, Louise, De Toni, Anthony Franco (2019) Trace element composition of iron oxides from IOCG and IOA deposits: relationship to hydrothermal alteration and deposit subtypes. Mineralium Deposita, 54 (4) 525-552 doi:10.1007/s00126-018-0825-1 | Journal (article/letter/editorial) | | incremental development of high-temperature Ca–Fe and K–Fe alteration. Iron oxides from the high-temperature...low-temperature K–Fe alteration by higher Mg and V contents. Iron oxides from low-temperature K–Fe alteration...be discriminated from those from high-temperature K–Fe alteration by higher Si, Ca, Zr, W, Nb, and Mo...high-temperature Ca–Fe, high-temperature K–Fe, and low-temperature K–Fe and Ca–Mg alteration types (Corriveau...Alemao, Sossego, Alvo 118, and Salobo from the Carajas district in Brazil, Olympic Dam and Ernest Henry | | Huang, Xiao-Wen, Boutroy, Émilie, Makvandi, Sheida, Beaudoin, Georges, Corriveau, Louise, De Toni, Anthony Franco (2019) Trace element composition of iron oxides from IOCG and IOA deposits: relationship to hydrothermal alteration and deposit subtypes. Mineralium Deposita, 54 (4) 525-552 doi:10.1007/s00126-018-0825-1 | Journal (article/letter/editorial) | | incremental development of high-temperature Ca–Fe and K–Fe alteration. Iron oxides from the high-temperature...low-temperature K–Fe alteration by higher Mg and V contents. Iron oxides from low-temperature K–Fe alteration...be discriminated from those from high-temperature K–Fe alteration by higher Si, Ca, Zr, W, Nb, and Mo...high-temperature Ca–Fe, high-temperature K–Fe, and low-temperature K–Fe and Ca–Mg alteration types (Corriveau...Alemao, Sossego, Alvo 118, and Salobo from the Carajas district in Brazil, Olympic Dam and Ernest Henry |  | Craveiro, Gustavo Souza, Villas, Raimundo Netuno Nobre, Xavier, Roberto Perez (2020) A fluid inclusion and stable isotope (O, H, S and C) study of the Archean IOCG Cristalino deposit, Carajás mineral Province, Brazil: Implications to ore genesis. Ore Geology Reviews, 127. 103822pp. doi:10.1016/j.oregeorev.2020.103822 | Journal (article/letter/editorial) | | Cristalino deposit, Carajás mineral Province, Brazil: Implications to ore genesis Gustavo Souza Craveiro...01 Guamá, P.O. Box 1611, 66075-110 Belém, PA, Brazil Instituto de Geociências, Universidade Estadual...Pandiá Calógeras, 51, CEP 13083-970, Campinas, SP, Brazil b A R T I C L E I N F O A B S T R A C T Keywords:...region, away about 40 km to the east of the Sossego mine (245 Mt @ 1.1% Cu, 0.28 g/t Au; Lancaster-Oliveira...Supergroup encompasses from bottom to top the Igarapé Salobo, Grão Pará, Igarapé Bahia and Igarapé Pojuca |  | | Journal (article/letter/editorial) | | Sericite-chlorite Epidote K K K K K K Potassic K K K K K K K K K K K K K K K K K K K K K K K K K K K K K ? ? 900...alteration zones, epidotized andesite is replaced by K-feldspar veinlets. Hornblende is the most dominant phenocryst...plagioclase (~50 vol.%), quartz (~25 vol.%), K-feldspar (~15 vol.%), and biotite (~10 vol.%), with sizes...Tabular and/or anhedral K-feldspar also replaces plagioclase (Figure 5g), and K-feldspar shows a OYUNJARGAL...precipitation of alteration minerals such as epidote and K-feldspar was accompanied by iron oxides, while sericite |  | Goad, Robin E., Mumin, A. Hamid, Duke, Norman A., Neale, Kathryn L., Mulligan, Derek L., Camier, W. John (1999) The NICO and Sue-Dianne Proterozoic, Iron oxide hosted, Polymetallic Deposits, Northwest Territories: Application of the Olympic Dam Model in Exploration, Fortune Minerals Limited. | Corporate Document | | in Australia, Kiruna-Aitik in Sweden, and Salobo in Brazil. Their considerable size, up to 2 billion...which are unconformably overlain by potassium feldspar- (± hematite ± magnetite) altered rhyolite of...Ernest Henry, Kiruna-Aitik, and Salobo located in Australia, Sweden, and Brazil, respectively. The large size...coeval rapakivi-granite stocks and associated feldspar porphyritic plugs. Diabase dikes are the youngest...deposits, such as the Carajas and Kiruna districts of Brazil and Sweden, respectively, providing proximal basement |
|
