 | Ulrich, Stanislav, Hageman, Steffen, Marques, Juliana Charão, Figueiredo, Frederico Lana A. R., Ramires, João E. F., Frantz, José Carlos, Petersen, Klaus (2021) The Orogenic Crixás Gold Deposit, Goiás, Brazil: A Review and New Constraints on the Structural Control of Ore Bodies. Minerals, 11 (10) 1050 doi:10.3390/min11101050 | Journal (article/letter/editorial) | | Archean-Paleoproterozoic Crixás-Goiás Terrane in the Tocantins Province. From [4] after [8,9]. (b) Subdivisions of the...Partial resetting of detrital zircons in Córrego Geral Formation Stage 2 Folding, NE-verging thrust, Gold...located in the central portion of the Tocantins Province and was assembled during the Neoproterozoic Brasiliano...siliciclastic sequence (metagraywackes) of the Córrego Geral Formation [3]. In the deposit area, the stratigraphic...Formation, at the transitional contact to the Córrego Geral Formation, the amount of siliciclastic rocks interbedded |  | | Journal (issue) | | tours for collectors are permitted by the friendly mine management, and visitors have even been allowed...the area and purchased the rights to the Verchniy mine. Operations to extract copper, lead and zinc began...altered to datolite. All the sulfide deposits in the district formed during the second period of skam formation...observed that mineral formation at the Verchniy mine involved four phases: (1) the pre-ore skam phase...local usage. Because in the Russian language the mine name used must agree with the noun following it |  | | Journal (article/letter/editorial) | | S~o feitas algumas considera~6es quer Geologia Geral da firea quer A petrografia das amostras estudadas...Angolan rocks of this age should be included in the Mozambique Belt, where similar ages occur. In view of the...of the Angolan rocks from the main zone of the Mozambique orogeny, it would be preferable to use the term...which includes both the Damaran episode and the Mozambique Belt. 176 J. R. TORQUATO and H. L. ALLSOPP...with that of maximum orogenic activity in Serra Geral, Brazil (MELFI, 1967, & AMARALet al., 1967). Acknowledgments |  | | Report (issue) | | Geology and Ore Deposits of the Alegria District, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL...State Geology and Ore Deposits of the Alegria District, Minas Gerais, Brazil By CHARLES H. MAXWELL GEOLOGY..._________ Geomorphological map of the Alegria district and environs.__________________________________________...---------------37. Geologic map of the Pitangui mine area__-____-________-___----_-__--_----_---_-___-_---------38..._______________ 11. Shipped ore, Conta Hist6ria mine. _________________________________________________________ |  | | Report (issue) | | deposits- _________---___. Andrade mine area_ ______________--_-_Tanque mine area___. ___________------. Morro...and prospects _____________ Agua Limpa manganese mine- ____-___-. Manganese prospects. _ _________-_-___-..._____--_-_-__--. P6 de Serra pegmatite mine. ____________ Talho Aberto pegmatite mine ___________ Jacui quarry _...quadrangles. Geologic maps and sections of the 4. Andrade mine, Monlevade quadrangle. 5. Morro Agudo iron deposit...depo3itrRi<>rPiracicaba quadrangle. 7. Agua Limpa manganese mine, Rio Piracicaba quadrangle. in IV CONTENTS Page |  | | Report (issue) | | by their g·iving to a no·n -luminous flame a ca1~mine-red colour, whicl1 is visible as violet when seen...importa.nce. It is a minor co11stitl1ent of 1nany muscovite-granites and has also been found in very small...per litr-e . A number of mine waters, especially some in the Redruth district of Cornwall , have been...compounds, that of Wheal Cli:ffo1'district containing 372 milligrams of lithium per litre...ccurs in large plates. It is disting·uished from muscovite, with which it is closely- associated, and whicl1 |  | Ferro De Oliveira Fortes, Paulo De Tarso, Cheilletz, Alain, Giuliani, Gaston, Féraud, Gilbert (1997) A Brasiliano Age (500 ± 5 Ma) for the Mina III Gold Deposit, Crixás Greenstone Belt, Central Brazil. International Geology Review, 39 (5) 449-460 doi:10.1080/00206819709465283 | Journal (article/letter/editorial) | | Gilbert Féraud d a Departamento de Geologia Geral e Aplicada (GEO), instituto de Geociéncias (IG)...FERRO DE OLIVEIRA FORTES, Departamento de Geologia Geral e Aplicada (GEO), instituto de Geociências (IG)...III gold deposit is exploited in the underground mine of Mineração Serra Grande Ltda., which is a joint...It is a gold-only deposit and is the largest gold mine in the state of Goiás, central Brazil, with reserves...amphibole schists and quartz-chlorite-carbonate-muscovite schists, Fe-dolomitic marbles, carbonaceous schists |  | | Journal (article/letter/editorial) | | silicate minerals are also substituted by hematite. Muscovite, tourmaline, talc, chlorite, apatite and kaolinite...of formation. INTRODUCTION of the Congonhas District were hydrothermal replacements governed by breccia...Fernandinho, Galinheiro, Mina do Pico e Sapecado (MBR mine properties). Apart from the initially estimated...a coarse-grained quartzite grading to quartz muscovite schists in the middle part, which transitions... actinolite and tremolite, aegirine, albite, muscovite, biotite, stilpnomelane, and microcline are present |  | | Book | | RELATIONSHIP OF THE MALAWI CARBONATITEALKALINE PROVINCE AND THE LUPATA-LEBOMBO VOLCANICS 237 A, R. Woolley...Gass 14 THE EVOLUTION OF THE TIBESTI VOLCANIC PROVINCE, EASTERN SAHARA P. M., Vincent : 15 THE STRUCTURAL...concentrations. Such was the study of the Nuanetsi Igneous Province in Rhodesia. The ring complexes there appeared...200. The parent magma of the British Tertiary Province. Summ. Progr. geol. Surv. G.B., Pt. 2 (for 1930)...and structure of the Moine Schists in the Morar district, western Inverness-shire. Abstract. Proc. geol |  | | Report (issue) | | rocks_ ___________________________________ Serra Geral basaltic lavas-_______________ General features..."Pseudotrachyte" near Aregua and Luque_ Analyses of Serra Geral lava and related rocks_ _ ______________________________...iron industry_________________________ Apichapa mine _____________________________ Del Puerto deposi...Yta-cue mine_______-_----____-___________ Aguirr6-cue mine.__________________________ Deposit near Roque Gonzalez...---_---_--------------Typical terrain on Serra Geral lavas___________________________-_____---___--- |  | Isaacs, Andrew, Peacor, Donald R., Kelly, William C. (1979) Thadeuite, Mg(Ca,Mn) (Mg,Fe,Mn)2(PO4)2(OH,F)2, a new mineral from Panasqueira, Portugal. American Mineralogist, 64 (3-4) 359-361 | Journal (article/letter/editorial) | | hydrothermaltin-tungstenveins of the Panasqueiramining district in centralPortugalcontain a variety of rare p...phosphatemineralsthat occur locally in topaz- and muscovite-richselvages along the borders of the veins. The...performed on vein specimensgatheredthroughoutthe mine, these theseinclusionsper se, but extensiveinclusiondata...Thadeu for his efforts in collecting p?2, quattz, muscovite, sphalerite, chalcopyrite, and sending to us samples...Fo.rn). In severalspecimens, 19-25,1971,Direcgdo-Geral de Minas e Serv.Geol., Lisboa. of Panasqueira, including |  | | Report (volume) | | --_-_-4. Trenches and surface workings, Serrote mine-___-_ Page C2 7 12 12 TABLES TABLE 1. Composition...plateau, but generally are too small and iriegular to mine. Recommendations are included for trenching and...Mineral, is gratefully acknowledged. Resk Frayha, district engineer for the DNPM at POC.OS de Caldas, kindly...60. 95. 96. Caldasite from vein in the Serrote mine. Composite sample of zirconium ore, shipping grade...material. An eluvial mantle that is economical to mine for zirconium ore ranges in thickness from 5 to |  | | Journal (article/letter/editorial) | | Min., Bol. 8, Rio de Janeiro 1934. - - : Geologia Geral. - - Serv. Fore. Prod, Min., Bol. 19, Rio de ]aneiro...another, and composed of well sorted elastics (muscovite quartzite). Another quartzite, locally developed...intercalations of clastic sediments. The s&eelite province of the area is generally connected with the QuixabaFormation...common quartz-albite-veins. The famous pegrnatite-province (Ta, Nb, Li, Be) cannot be considered as a product...product of the statical recrystallization of the muscovite-rich Equador quartzite, by addition of thermal |  | Origlia, Francesca, Gliozzo, Elisabetta, Meccheri, Marco, Spangenberg, Jorge E., Memmi, Isabella Turbanti, Papi, Emanuele (2011) Mineralogical, petrographic and geochemical characterisation of white and coloured Iberian marbles in the context of the provenancing of some artefacts from Thamusida (Kenitra, Morocco) European Journal of Mineralogy, 23 (6) 857-869 doi:10.1127/0935-1221/2011/0023-2145 | Journal (article/letter/editorial) | | especially those of Mijas and Coin in the Malaga province were used for local building, epigraphy and sculptural...headquarters of the Mauritania Tingitana Roman province. The results obtained on Volubilis site represent...employment of Estremoz marbles in an African Roman province. In the context of an ongoing archaeometric research...headquarters of the Mauretania Tingitana Roman province, the geographical limestone (Origlia et al., 2009a)...al, 2000) can be considered as an independent district as it forms a group of several quarries located |  | | Book | | (IPB) which is considered the main metallogenic province of the European Union, where occurrences of polymetallic...framework of the public mission of the Direcção-Geral de Energia e Geologia of promoting corporate investment...Pyrite Belt, the most important metallogenetic province in Portugal in which the Lousal, Aljustrel, Neves...extracted; and in Aljustrel (southwest of Beja), mine shafts reached a depth of 120 metres. Then followed...discoveries was the Neves Corvo deposit: since the mine came into operation, Portugal has become one of |  | Pinna, P., Jourde, G., Calvez, J.Y., Mroz, J.M., Marques, J.M. (1993) The Mozambique Belt in northern Mozambique: Neoproterozoic (1100–850 Ma) crustal growth and tectogenesis, and superimposed Pan-African (800–550 Ma) tectonism. Precambrian Research, 62 (1) 1-59 doi:10.1016/0301-9268(93)90093-h | Journal (article/letter/editorial) | | Publishers B.V., Amsterdam The Mozambique Belt in northern Mozambique: Neoproterozoic ( 1100-850 Ma)...(Instituto Na¢ional de Geologia), CP. 217, Maputo, Mozambique (Received January 9, 1991; accepted after revision...P. and Marques, J.M., 1993. The Mozambique Belt in northern Mozambique: Neoproterozoic ( ! 100-850 Ma)...62: 1-59. The Precambrian basement of northern Mozambique is composed mainly of high-grade gneiss, granulite...These new data allow a reassessment of the entire Mozambique Belt, until now regarded as a Pan-African mobile |  | | Journal (article/letter/editorial) | | High-Precision 4øAr/39r Age SpectrumTechniqueson Muscovite LAWRENCEW. SNEE,* Departmentof Geology,OregonStateUniversity...volumediffusion. Thus,4øAr/39ragespectrum datingof muscovite can be usedto evaluatethermalconditionscontro...unaltered materials, questions the Beira Baxia province of central Portugal, apconcerningthe actual length...Panasqueira(Kelly and Rye, 1979). The generalgeologyof the district (Fig. 2) is definedby Thadeu(1951) andis summarizedin...muscoviteand quartz. The the postmagmatictin-tungsten district of Panas- mostintensegreisenizationoccursnear |  | Dragone, Gabriel Negrucci, Ussami, Naomi, Gimenez, Mario Ernesto, Lince Klinger, Federico Gustavo, Chaves, Carlos Alberto Moreno (2017) Western Paraná suture/shear zone and the limits of Rio Apa, Rio Tebicuary and Rio de la Plata cratons from gravity data. Precambrian Research, 291. 162-177 doi:10.1016/j.precamres.2017.01.029 | Journal (article/letter/editorial) | | with basalt isopachs (Fig. 5(b)) from the Serra Geral formation compiled by Melfi et al. (1988). The information...determined by Marques et al. (1984) for the Serra Geral Formation. The density of 2670 kg/m³ is the average...emplacement of denser material during the Serra Geral volcanism. Mariani et al. (2013) modelled this accretion...mafic dykes intruding the crust during the Serra Geral flood basalt volcanism, affecting the Paraná basin...modelling, except in areas intruded by the Serra Geral basalts. S-wave seismic velocity models also show |  | | Journal (article/letter/editorial) | | orogen. Coarse-grained porphyritic biotite and muscovite-biotite granite constitute the predominant intrusive...wolframite mineralization with minor cassiterite. The mine is famous for its fine mineral specimens of wolframite...MINES I PLACERS ALLUVIUM FAULT TOURMALINE MUSCOVITE GRANITE PORPHYRITIC BIOTITEGRANITES [ ~ FINE-GRAINED...DR + OH V + I QUARTZ- CAP [~ (BIOTITE) - MUSCOVITE GRANITE GREISEN + DOLERITE + + 4- IF FAULT...thinner, unexploitable veins. Minuscule quartz or muscovite veinlets 1 mm thick or thinner frequently occur |  | | Journal (article/letter/editorial) | | feldspars; (d) the Pedras Pintas Mine; (e) the biotite granodiorite G5 near the mine; (f) the biotite granodiorite...include plagioclase, potash feldspar, biotite, muscovite, garnet, epidote, titanite, apatite, ilmenite...oligoclase to albite + orthoclase + microcline + muscovite. Accessory minerals include biotite, garnet, zircon...magnetite; Mc, microcline; Mnz, monazite; Ms, muscovite; Or, orthoclase; Pl, plagioclase; Prp, pyrope;...(s.l.) (Fig. 5b). The chemical composition of muscovite from the different dikes and from the different |  | | Journal (article/letter/editorial) | | The Bauru Group overlies the basalts of the Serra Geral Formation, above an erosive discordance 2-5, and...the gibbsite stability field and others in the muscovite stability field; these are more alkaline water... 1987. 158f. Dissertação (Mestrado em Geologia Geral e de Aplicação) – Instituto de Geociências, Universidade |  | | Journal (article/letter/editorial) | | two-mica granite and also the pre-Ordovician biotite-muscovite-andalusite schist with sillimanite. At 1-0.5 m...porphyritic muscovite-biotite granite, while adjacent to the vein, up to 0.5 m, it is a muscovite granite...biotite-muscovite-brunsvigite schist at 2 m from the vein and into a mica schist enriched in muscovite and...situated in northern Portugal, in the Vila Real district, 13 km SE of Vila Pouca de Aguiar and ~ 100 km...km from Oporto (Fig. la). At the Jales mine, the Campo de Jales gold quartz vein mainly cuts peraluminous |  | | Report (issue) | | asymmetrically folded Caue Itabirite. To the right, iron-ore mine of Mannesmann Company. The primary bedding-layering...DNPM-USGS team, and similar to those of the Nova Lima District, are interlayered in the local succession. See...60.0 Alluvial flat. 62.5 Road to Minas Serra Geral (iron ore). 72.0 Town of Cachoeira do Campo, built...intricate contact zone in which Nova Lima 10 Capanema mine. schists are penetrated or invaded by numerous...specular hematite rock. The "white" rock is a quartz-muscovite schist. Si (schistosity): N. 70° E., 55° SE. Crenulations: |  | Costa, Mariana, Moura, Helena, Pinto de Jesus, Ary, Suárez-Ruiz, Isabel, Flores, Deolinda (2022) Effects of Magmatic Fluids in Coals of São Pedro da Cova Coalfield, Douro Carboniferous Basin, Portugal: Insights from Inorganic Geochemistry. Minerals, 12 (2) 275 doi:10.3390/min12020275 | Journal (article/letter/editorial) | | elements have affinities with sulfides. Illite and muscovite are the main phyllosilicates occurring in these...phyllosilicates, namely illite, but epigenetic muscovite was also identified from 3.99% to 14.90%. The...also observed. namely illite, but epigenetic muscovite was also identified (Figure 9). The Fe content...spectrum of the mineral phases in the coals: muscovite and fluorapatite fluorapatite(sample (sample215/218...illite (Figures 8 and12) 12)and andmuscovite muscovite (Figure inin these samples. The K and and Rb Rb |  | Marques dos Santos, Caio Augusto, Batezelli, Alessandro, Nakasuga, Wagner Massayuki, Resende, Rosana Silveira, Tello Saenz, Carlos Alberto, Nunes, João Osvaldo Rodrigues (2020) Sedimentary provenance of the Marília Formation (Bauru Basin), Southeast Brazil. Geological Journal, 55 (4). 2834-2850 doi:10.1002/gj.3576 | Journal (article/letter/editorial) | | ISOPLOT software (Ludwig, 2003). tor composed of a muscovite plate, which allowed to determine the density... Its basement consists of basalts of the Serra Geral Formation related to the external detector (0.684...world, resulting in the Paraná–Etendeka Volcanic Province. In the of Gondwana of the Emiliano–Givetian...Emiliano–Givetian (407–385 Ma; Milani & region of the province, where the volcanic rocks are thicker, the Ramos, 1998)...north‐eastern borders (Alto Paranaíba Uplift and Alkaline Province MARQUES DOS SANTOS TABLE 2 9 ET AL. Zircon |
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