 | | Journal (article/letter/editorial) | | Springer-Verlag1986 Origin of granite at Cabo de Santo Agostinho, Northeast Brazil Leon E. Long 1, Alcides N. Sial...Department, Federal University of Pernambuco, Recife 50.000, PE, Brazil 3 Department of Geosciences, Pennsylvania...on the Atlantic coast at Cabo de Santo Agostinho, 30 km south of Recife, Brazil has been extensively studied...Twenty-three major-element analyses indicate that the Cabo granite ranges from peralkaline to peraluminous;...analyses confirm the presence of arfvedsonite (biotite absent), and nearly total absence of plagioclase |  | | Report (chapter) | | Rio de Janeiro (DGRG/UERJ), Rio de Janeiro, Brazil 2 Programa de PosgraduacĢ§aĢo, Faculdade de Geologia...UERJ, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil *Corresponding author (e-mail: mauro...However, rocks ascribed to the Cabo Granite (104 Ma) are observed in NE Brazil. In West Africa, sparse AptianāAlbian...alkaline magmatic trend is observed from PocĢ§os de Caldas to Cabo Frio, comprising igneous intrusions dated...trending NW also occur in the region extending from the Cabo Frio Province towards the Central Brazilian Craton |  | | Journal (article/letter/editorial) | | which causes the product of incongruent melting of biotite to be a prominent component of the derived magmas;... which causes a residual liquid to be rich in biotite component. Limited evidence indicates that granites...quartz, K feldspar, sodic plagioclase, and minor biotite. Rogers and Greenber9 (1990) placed low-an granites...less-silicic magmas; (2) postorogenic suites in which biotite granite is commonly the only magmatic rock (PO...that could be produced by incongruent melting of biotite under the effects of elevated CO2 fugacities. For |  | | Journal (article/letter/editorial) | | ). The Cabeza de Araya batholith, Central Iberia (Corretg6 et al., 1985). The Caldas de Reyes batholith...Belt, Australia (Collins et al., 1982 ); Cabo de Santo Agostinho, Brasil (Long et al., 1986); Corsica (Bonin...higher P205. For example, at SiO2 = 70 wt.% the Caldas de Reyes granites (.g ASI = 1.08) have P205 = 0.15,...05. Most specimens are 46 F. BEA ET AL. Caldas de Reye$ batholith Ophiolitic Plagiogranites :t 06... o 2!6 peraluminous rocks ~03 o2 1'9 Cabeza de Araya batholi~h 06 504~ ~I~~.Ooo I:O~ C~c 112 |  | | Journal (article/letter/editorial) | | the Narraburra Granite, an alternating series of biotite-hornblende granites and fayalite-arfvedsoniteaegirine...SILURIAN [ ] Basaltic andesite []Sediments ]Biotite,hornblende granite [ ~ Aegirine, arfvedsonlte...Calcic pyroxene Zircon Magnetite Fayalite Annite Biotite Fluorite Apatite Sphene Rutile 40 42 167 565985...Research 24, 55-81. BARRON L. M. 1983. Mineralized biotite granites and soda granites from Mt Adrah. New South... 1986. Origin o f granite at Cabo de Santo Agostinho, northeast Brazil. Contributions to Mineralogy and |  | | Report (chapter) | | silicic melts form. These minerals--muscovite, biotite, and hornblende--are thus the only ones that commonly...greywackes contain biotite + plagioclase and no aluminosilicate; marie pelites contain biotite + aluminosilicate...which may also contain plagioclase and subordinate biotite. The most obvious differences are those between...MgO + TiO 2 relative to biotite-derived melts (Fig. l a and b). Among biotite-derived melts, those derived...derived from metagreywackes (sources that contain biotite + plagioclase but no aluminosilicate) are richer |  | Simon, I., Jung, S., Romer, R.L., Garbe-Schƶnberg, D., Berndt, J. (2017) Geochemical and Nd-Sr-Pb isotope characteristics of synorogenic lower crust-derived granodiorites (Central Damara orogen, Namibia) Lithos, 274. 397-411 doi:10.1016/j.lithos.2016.12.033 | Journal (article/letter/editorial) | | brown biotite and ca. 10% hornblende. Rare chlorite and muscovite are also present. Biotite shows pleochroic...ca. 20-30% quartz, ca. 1-3% green biotite and rare muscovite. Biotite is commonly altered to CE P chlorite...fractionating mineral assemblage consists of hornblende, biotite, possibly titanite and apatite. Fractionation of...including major rock forming minerals (hornblende, biotite) and accessory minerals (monazite, apatite). Depletion...increasing MA SiO2 are compatible with removal of biotite, plagioclase, apatite, and zircon during fractionation |  | Bergemann, C., Jung, S., Berndt, J., Stracke, A., Hauff, F. (2014) Generation of magnesian, high-K alkali-calcic granites and granodiorites from amphibolitic continental crust in the Damara orogen, Namibia. Lithos, 198. 217-233 doi:10.1016/j.lithos.2014.03.033 | Journal (article/letter/editorial) | | diorites present (Jung et al., 2002, 2009, 2014; van de Flierdt et al., 2003). The Central Zone is deļ¬ned...megacrysts and may show a weak foliation deļ¬ned by biotite and phenocryst alignment. Rare maļ¬c microgranular...maļ¬c mineral in all granites and granodiorites is biotite. Accessory minerals include apatite, zircon, titanite...Kfeldspar - plagioclase - cordierite - muscovite - biotite. 3.2. Geochronology BSE images and the results...interpreted to reļ¬ect fractionation of plagioclase, biotite, zircon, apatite, titanite and possibly magnetite |  | JUNG, S., BERNDT, J., STRACKE, A., HAUFF, F., KASTEK, N. (2014) ANATEXIS OF JUVENILE MAFIC TO INTERMEDIATE CRUST -CONSTRAINTS FROM MAJOR AND TRACE ELEMENT AND SR, ND, PB ISOTOPES OF DIORITES TO GRANITES (DAMARA OROGEN, NAMBIA) South African Journal of Geology, 117 (1) 149-171 doi:10.2113/gssajg.117.1.149 | Journal (article/letter/editorial) | | southern and central Damara orogen. Isograds: (1) biotite-in; (2) garnet-in; (3) staurolite-in; (4) kyanite-in;...K-feldspar+cordierite-in; (10) partial melting due to biotite + K-feldspar + plagioclase + quartz + cordierite...other occurrences elsewhere in the Damara orogen (van de Flierdt et al., 2003; Jung et al., 2002; 2009) an...euhedral to subhedral brownish-green hornblende and biotite. Plagioclase shows no, or only cryptic, zoning...mainly of plagioclase, quartz, K-feldspar and biotite. Some samples also include hornblende. Titanite |  | Fan, Xingzhu, Sun, Fengyue, Xu, Chenghan, Wu, Dongqian, Yu, Lu, Wang, Li, Yan, Cheng, Bakht, Shahzad (2022) Volcanic rocks of the Elashan Formation in the Dulan-Xiangride Basin, East Kunlun Orogenic Belt, NW China: Petrogenesis and implications for Late Triassic geodynamic evolution. International Geology Review, 64 (9) 1270-1293 doi:10.1080/00206814.2021.1923074 | Journal (article/letter/editorial) | | (10ā15 vol%), plagioclase (5ā10 vol%), and minor biotite. The groundmass consists of fine-grained plagioclase...(10ā15 vol%) contain quartz, plagioclase, and biotite (occasionally partly resorbed) (Figure 4(c,d))...plagioclase (10ā15 vol%), quartz (10ā15 vol%), and minor biotite as phenocrysts together with fine-grained plagioclase...and (l) basaltic andesite. Amp = amphibole; Bt = biotite; Chl = chlorite; Cpx = clinopyroxene; Ol = olivine;...Grevenitz et al. 2003). Quartz, plagioclase, and minor biotite are identified in the crystalline tuff, which suggest |  | | Journal (article/letter/editorial) | | Late Silurian Sidaozhangpeng For- 1ā2 mm; and biotite (~5%) with a grain size of 1ā1.5 mm (Figure 2c...quartz schist in Jiefangyingzi area. Q: quartz; Bi: biotite; Pl: plagioclase; Mc: microcline (All micrographs...analytical of 0.2ā1.0 mm and a small quantity of biotite and muscovite (< 10%) uncertainties are 1ā5% for...Zircons from sample of Erfendi mediumāgrained biotite granite (i.e., C11ā19) are mostly idiomorphic and...magnetiteāseries, rapakiviā type granites of CarajĆ s, Brazil: Implications for classification and petrogenesis |  | Milani, Lorenzo, Lehmann, JĆ©rĆ©mie, Naydenov, Kalin V., Saalmann, Kerstin, Kinnaird, Judith A., Daly, J. Stephen, Frei, Dirk, Lobo-Guerrero Sanz, Alberto (2015) A-type magmatism in a syn-collisional setting: The case of the Pan-African Hook Batholith in Central Zambia. Lithos, 216. 48-72 doi:10.1016/j.lithos.2014.11.029 | Journal (article/letter/editorial) | | triple junction between the Congo, Kalahari and Rio de la Plata Cratons. To the east, in Zambia, the orogen...the Palaeoproterozoic Bangweulu Block (Fig. 1B) (De Waele and Fitzsimons, 2007; Hanson, 2003; Key et...sinistral strike-slip feature (Coward and Daly, 1984; de Swardt et al., 1965; Unrug, 1983), this lineament...Supergroup (Roan Group) of the Luļ¬lian Arc (Binda, 1994; de Swardt and Drysdall, 1964; Johnson et al., 2007 and...argillaceous succession of the Upper Kundelungu (de Swardt and Drysdall, 1964), comprising shales, slates |  | Chen, Guochao, Pei, Xianzhi, Li, Ruibao, Li, Zuochen, Chen, Youxin, Liu, Chengjun, Pei, Lei (2022) Multiple Sources of Indosinian Granites and Constraints on the Tectonic Evolution of the Paleo-Tethys Ocean in East Kunlun Orogen. Minerals, 12 (12) 1604 doi:10.3390/min12121604 | Journal (article/letter/editorial) | | (average 749 ā¦ C) are lower than those of the biotite and amphibole partial melting experiment. In the...attributed to dehydration partial melting of muscovite, biotite, or amphibole. In the late Indosinian (230ā200...fractional crystallization of plagioclase, biotite, and biotite, apatite increases (Figure 4), which indicates...melting 8ā16 ofkbar and tempera (e.g., muscovite, biotite, and amphibole). Studies have shown that the dehydration...the dehydration partial melting temperature of biotite and hornblende in temperatures of 825ā950 Ā°C [51] |  | Das, Susmita, Goswami, Bapi, Basak, Ankita, Bhattacharyya, Chitta (2020) A Grenvillian magmatic almandine garnet-bearing ferroan granite intrusion in the Chhotanagpur Gneissic complex, Eastern India: Petrology, petrochemistry, petrogenesis and geodynamic implications. Lithos, 376. 105749pp. doi:10.1016/j.lithos.2020.105749 | Journal (article/letter/editorial) | | lenticular quartz. (d) Haphazard orientation of biotite laths. Note garnet is replaced by plagioclase....Intimate association of hornblende and garnet with biotite. Garnets are resorbed by plagioclases in various...feldspars of various sizes and shapes and hornblendes, biotite together with symplectitic intergrowth of hornblende-opaque...of garnet with hornblendes while thin laths of biotite replace hornblende. (h) Symplectitic intergrowth...SD5 Quartz K-feldspar Plagioclase Hornblende Biotite Apatite Zircon Garnet Ilmenite Allanite Total |  | | Journal (article/letter/editorial) | | There is a small amount (b1%) of euhedral zircon, biotite and clinopyroxene as well. 292 J.G. Shellnutt...inclusions within the feldspars. The hornblende and biotite are the primary mafic minerals and represent a...blocky or rounded in shape and altered to chlorite. Biotite is typically forms euhedral tabular crystals and..., 1986. Origin of granite at Cabo de Santo Agostinho, northeast Brazil. Contributions to Mineralogy and |  | | Journal (article/letter/editorial) | | K-feldspar; Amp = amphibole; Ms = muscovite; Bt = biotite; Cpx = clinopyroxene; Opx = orthopyroxene; Zr =...transition in aluminous greywackes from the Sierra de Comechingones, CĆ³rdoba, Argentina. J. Metamorph....Borba, G.S. Origin of granite at Cabo de santo Agostinho, Northeast Brazil. Contrib. Mineral. Petrol. 1986 |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the.../11tematio11nl Sy111posi11111 011 Cnr/Jo11 atitt?s, Pocos de Cnlrlas: 123-33. H EINRICH, E.W. 1966. The geology |  | | Book | | BARTORELLI ::ā¢ . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA Ā©...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 (volume) | | and individuals. Approved file to instructions de- ence will be made to the Manual when additional...canal; Renal artery; Toes; is in the categories are de- The if it table of pattern headings is LCSH...Ferdinand, d. 1521 rather than Magalhaes, Fernao de, d. 1521; Solidarity (Polish labor organization)...Ejdrcito Popular de la 15th International Reptiblica. Brigade Spain. Ej6rcito Popular de la Abraham Lincoln...Lincoln Repdblica. Brigade Spain. Ejdrcito Popular de la Brigada Internacional, Reptiblica. XV ā |
|
