 | | Book | | MINERAL RESOURCES OF PORTUGAL Text prepared by Luís Plácido Martins CONTENTS 5 7 11 19 20 21...MINING BACKGROUND HISTORICAL OVERVIEW OF MINING IN PORTUGAL PRECIOUS METALS Galicia - Trás-os-Montes Zone...Business in Portugal KEY REFERENCES 3 PREAMBLE A complex and diversified geology endows Portugal with a...ornamental stones and some other mineral substances. Portugal is presently one of the main UE producers of copper...sulphide deposits like Neves-Corvo and Aljustrel, in Portugal, Rio Tinto, Sotiel, Los Frailes, Las Cruces, etc |  | | Book | | / Trigais Castro do Muro Muradelhas Ribeira/Limões Alto da Ribeira Pardieiros Seaira Olgas Muro Minas...B. (2008a) – A ourivesaria proto-histórica de Portugal. Influências mediterrânicas. Barcelona: EDAR....mineira em época romana e a metalurgia do ouro em Portugal. Cadernos de Arqueologia/Monografias n.º 14. Braga:...F. (2007) – A cultura castreja no Noroeste de Portugal. 2.ª edição. Paços de Ferreira: Câmara Municipal...Galiza, em Espanha, e NE de Trás-os-Montes, em Portugal, o conjunto de Maciços Alóctones de Cabo Ortegal |  | | Journal (article/letter/editorial) | | stream sediments close to an old Sn-W mine, Ribeira, Northeast Portugal M. Manuela Vinha G. Silva a,∗ , Sérgio...Universidade de Coimbra, 3000-272 Coimbra, Portugal Mota-Engil, Portugal a r t i c l e i n f o Article history:...b s t r a c t The abandoned Sn-W Ribeira mine, northeast of Portugal, contained quartz veins with cassiterite...cassiterite, wolframite, scheelite, pyrite, arsenopyrite, sphalerite, chalcopyrite, manganocolumbite, bismuthinite...tailings were deposited on the hillside, close to the mine and are nowadays exposed to significant weathering |  | | Journal (article/letter/editorial) | | importants: Covas-Valdarcas (43), Borralha (50) au Portugal, et Barrnecopardo (79) en Espagne. La limite sud...pr6cision dans le Nord du Tr[s-os-Montes (NE du Portugal) o6 se placent, vers le Nord, plusieurs gisements...]es plus importants producteu•s: Ervedosa (33), Ribeira (36), Argozelo Central Iberian zone Contabrlon...(15-16), Calabor (28) et au Portugal, Montesinho (30), Ervedosa (33), Ribeira-Argozelo (36-37). La bande...sillon houiller. Or une coupole wolframite et scheelite a $t$ d$couverte r~cemnment au Nord du granite |  | | Book | | EXPLORAÇÃO MINEIRA ROMANA E A METALURGIA DO OURO EM PORTUGAL UNIVERSIDADE DO MINHO INSTITUTO DE CIÊNCIAS SOCIAIS...tenham sido aproveitados. Embora no Centro de Portugal o número de jazidas auríferas secundárias e primárias...grande maioria dos conjuntos mineiros antigos de Portugal, e do Noroeste de Espanha esteja por fazer, é...Tejo, pelo que ainda há muito por estudar. Em Portugal nem sequer existia um catálogo sistemático das...uma nova fase dos estudos de Mineração Antiga em Portugal, não só porque é o primeiro trabalho académico |  | | Book (volume) | | Madrid, Spain José Tomás Oliveira LNEG Amadora, Portugal ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional...by Late Triassic red beds, Telheiro beach, SW Portugal. Photographed with a drone by JC Kullberg This...Energia e Geologia, former Geological Survey of Portugal, where he acted also as head of the departments...concentrated in regional geological mapping in Portugal and Mozambique, with particular interest in stratigraphy...and basin analysis. Professor at universities of Portugal and Angola, author and editor of several geological |  | | Journal (article/letter/editorial) | | 1982 Les Quartzites & Silicates Calciques et Scheelite: Pr4~concentrations Famili~res ou PiL-=gespour...P~rigranitique? Exemple du Nord-Est Transmontain (Portugal) C. Derr~, M. L~colle, et G. Roger Equipe de Recherche...r a g a n w a ( T r & s - o s - M o n t e s , Portugal), t r o i s groupes de gites filoniens i Sn-W...b a n c s de q u a r t z i t e s calciques ~ scheelite. S ' a g i t - i l de p r 6 c o n e e n t r a...conclusions suivantes: i) les quartzites calciques i scheelite sont des tactites, limit6es ~ l'aur6ole des granites; |  | | Journal (issue) | | Geochemistry of the Panasqueira tungsten-tin deposit, Portugal. GEOLOGICA ULTRAIECTINA Mededelingen van het...DEPOSIT, PORTUGAL X. VB. 12 GEOCHEMISTRY OF THE PANASQUEIRA TUNGSTEN-TIN DEPOSIT, PORTUGAL GEOCHEMIE...GEOCHEMIE VAN DE PANASQUEIRA WOLFRAAM-TIN AFZETTING, PORTUGAL (met een samenvatting in het nederlands) PROEFSCHRIFT...introduktie in de tin-wolfraam afzettingen van Portugal, de daarmee gerelateerde gespecialiseerde granieten...would like to thank the Beralt Tin and Wolfram Portugal, S.A.R.L. for their undergound permission and |  | Dressel, Bárbara Carolina, Chauvet, Alain, Trzaskos, Barbara, Biondi, João Carlos, Bruguier, Olivier, Monié, Patrick, Villanova, Sandro Notto, Newton, José Bazille (2018) The Passa Três lode gold deposit (Paraná State, Brazil): An example of structurally-controlled mineralisation formed during magmatic-hydrothermal transition and hosted within granite. Ore Geology Reviews, 102. 701-727 doi:10.1016/j.oregeorev.2018.09.007 | Journal (article/letter/editorial) | | representative of the Southern portion of the large-scale Ribeira Mobile Belt (Heilbron et al., 2004). The Passa...deposit; however, personal communication from the mine staff established an average grade of 6 ppm for...well observed near the surface of the underground mine and are additional indicators that the cupola environment...one fault system affecting the other one at the mine level and reverse faults (Fig. 6H), were observed...of reverse reactivation of faults observed in the mine, as well as in the thin sections. 5.3 Geochronology |  | Zhao, Rui-Zhe, Wang, Min-Fang, Li, Huan, Shang, Xiao-Yu, Ullah, Zaheen, Wang, Jun-Peng (2021) Texture and Geochemistry of Scheelites in the Tongshankou Deposit in Daye, Hubei, China: Implication for REE Substitution Mechanism and Multistage W Mineralization Processes. Minerals, 11 (9) 984 doi:10.3390/min11090984 | Journal (article/letter/editorial) | | observations, mineralogical and geochemical analysis, scheelite grains in the skarns can be classified into three...depicting the W mineralization processes. Keywords: scheelite; CL imaging; geochemistry; skarn; double linear...and Fujiashan-Longjiaoshan W deposits [2–4]. Scheelite is the main tungsten mineral in both the porphyry...cathodoluminescence study revealed pores and inner texture in scheelite, indicating multi-stage ore formation [5]. Tungsten...substitution mechanisms and formation processes of scheelite. In addition, this reites in a skarn system in |  | | Journal (article/letter/editorial) | | mainly of quartz, ferroan carbonate, sulfides and scheelite, ranging in size from stringers up to 5 cm in...serpentinites (greisenization). Molybdenite and scheelite are associated minerals. The beryl mineralization...Schobbenhaus, 2000). The Pb–Zn–Ag–Ba deposits of the Ribeira Belt at the border of São Paulo and Paraná are...deposit: M = mine; BM = world-class mine (N5 Mt of metal reserves); D = deposit (closed mine or non-economical...metasomatic aureole in the host gneiss, and the Seridó Scheelite Province (Rio Grande do Norte and Paraíba), which |  | Bongiolo, Everton Marques, Renac, Christophe, Piza, Patricia d'Almeida de Toledo, Schmitt, Renata da Silva, Mexias, André Sampaio (2016) Origin of pegmatites and fluids at Ponta Negra (RJ, Brazil) during late- to post-collisional stages of the Gondwana Assembly. Lithos, 240. 259-275 doi:10.1016/j.lithos.2015.11.015 | Journal (article/letter/editorial) | | et al., 2001). In the Neoproterozoic-Paleozoic Ribeira Orogen in Rio de Janeiro State, Brazil, MA it...Neoproterozoic–Paleozoic northeast–southwest–trending Ribeira Orogen (Fig. 1). This orogen developed during ...al., SC R 2004; Heilbron et al. 2008). The Ribeira Orogen is subdivided into four tectonostratigraphic...(CFTD) which is the easternmost domain of the Ribeira Orogen, and the focus of this investigation (Figs...decompression rates after the metamorphic peak. The Ribeira Orogen contains several granitoid plutons emplaced |  | | Journal (article/letter/editorial) | | Sergipano; RP = Riacho do Pontal; AR = Araguai; RC - Ribeira-Costeriro; ST = Setuva; TJ = Tijucas; UR = Uruacu;...RPr = Rio Preto; AB = Alto Brigida; RB = Ribeira; RV = Ribeira-Vacacai; DF = Dom Feliciano. Middle to Late...of the Araguai (AM) belt in the north, and the Ribeira (RB), Tijucas (TJ), and Dom Feliciano (DF) belts...the jaspilite to form the ore. The Azul manganese mine is hosted in metamorphosed pelitic, marly-manganiferous...shear zones (gold). At the Sao Joao do Piaui nickel mine (d. 129)—the largest mineral deposit in the region—lateritic |  | Dressel, Bárbara Carolina, Chauvet, Alain, Kouzmanov, Kalin, Trzaskos, Barbara, Bruguier, Olivier, Monié, Patrick, Villanova, Sandro Notto, Newton, José Bazille (2022) The Passa Três Granite Intrusion-Related/Hosted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and Sulphur Isotope Constraints. Minerals, 12 (4) 407 doi:10.3390/min12040407 | Journal (article/letter/editorial) | | since the 1980s, constituting the only active gold mine in the south of Brazil. In the case of the Passa...representative of the southern part of the large-scale Ribeira Mobile Belt [23]. Three main tectonic events affected...we adopted the same facies names as used in the mine), in addition to aplites and pegmatites. GEM and...location by mine level. rocks (adapted from [15]) with indication of the sample’s location by mine level....holes and various mine workings in the six accessible levels of the underground mine (approximate altitude |  | Bettencourt, Jorge S., Leite Jr., Washington B., Goraieb, Claudio L., Sparrenberger, Irena, Bello, Rosa M.S., Payolla, Bruno L. (2005) Sn-polymetallic greisen-type deposits associated with late-stage rapakivi granites, Brazil: fluid inclusion and stable isotope characteristics. Lithos, 80 (1) 363-386 doi:10.1016/j.lithos.2004.03.060 | Journal (article/letter/editorial) | | Cassiterite, wolframite, columbite–tantalite, scheelite, and sulfide assemblages accompany these fluids...District (~230,000 t Sn by 2002), and the Bom Futuro Mine in the Rondônia Tin Province (170,000 t Sn by 2002)...the low to medium-grade metamorphic rocks of the Ribeira Fold Belt. The granites have U–Pb, Rb–Sr and K–Ar...mixed with external fluids. The occurrence of scheelite in the Santa Bárbara deposit is better explained...of tungsten and its subsequent deposition as scheelite in the late-magmatic stage. The second type of |  | Zhang, Yongwang, Liu, Yan, Zhu, Xinxiang, Raschke, Markus B., Shen, Nengping (2021) Genesis of highly fractionated granite and associated W-Sn-Be mineralization in the Xuebaoding area, Sichuan Province, China. Ore Geology Reviews, 135. 104197pp. doi:10.1016/j.oregeorev.2021.104197 | Journal (article/letter/editorial) | | euhedral, gem quality, and coarsegrained beryl, scheelite, cassiterite, apatite, fluorite, and muscovite...with granitic in trusions, and dominated by scheelite, disseminated cassiterite, and minor beryl, with...association of W, Sn, and Be mineralization of scheelite, cassiterite, and beryl, with less alteration...poorly zoned and ~ 200 μm in diameter (Fig. 2A–C). Scheelite grains that are about 10 μm in size generally...Muscovite and albite were overlapped by fine-grained scheelite. (D–E) radial clusters of skeletal type II tourmaline |  | | Journal (article/letter/editorial) | | mechanism of metasomatism in the system between Scheelite↔Ferberite H. TAKATA*, T. AONO, K. TAGAMI AND...metasomatism were carried out in the tungstates (scheelite and ferberite) - aqueous solutions (Fe[NH4]2[SO4]2...and scheelite were detected from reacted samples by X-Ray diffraction analysis in the scheelite - Fe[NH4]2[SO4]2...SEM observation shows the euhedral crystal of scheelite formed in the ferberite - CaCl2 aqueous solution...of starting material (scheelite) accompanying a lot of pores in the scheelite - Fe[NH4]2[SO4]2 aqueous |  | Garda, G.M., Trumbull, R.B., Beljavskis, P., Wiedenbeck, M. (2009) Boron isotope composition of tourmalinite and vein tourmalines associated with gold mineralization, Serra do Itaberaba Group, central Ribeira Belt, SE Brazil. Chemical Geology, 264 (1) 207-220 doi:10.1016/j.chemgeo.2009.03.013 | Journal (article/letter/editorial) | | mineralization, Serra do Itaberaba Group, central Ribeira Belt, SE Brazil G.M. Garda a,⁎, R.B. Trumbull b...Mesoproterozoic Serra do Itaberaba Group, central Ribeira Belt (São Paulo State, SE Brazil). The main rock...of this province is commonly referred to as the Ribeira Belt, and its dominant rock types are metamorphosed...Extensive, deep shear zones striking NE–SW dissect the Ribeira Belt and some of them constitute geologic terrane...Mesoproterozoic and Paleoproterozoic rocks found within the Ribeira Belt and other parts of the Mantiqueira Province |  | Zheng, Zhen, Chen, Yanjing, Deng, Xiaohua, Yue, Suwei, Chen, Hongjin, Wang, Qingfei (2019) Tourmaline geochemistry and boron isotopic variations as a guide to fluid evolution in the Qiman Tagh W–Sn belt, East Kunlun, China. Geoscience Frontiers, 10 (2) 569-580 doi:10.1016/j.gsf.2018.04.007 | Journal (article/letter/editorial) | | Stage 2 produced 127 a quartz–tourmaline ± scheelite assemblage, with associated minor apatite, chalcopyrite...coexist with or are inclusions in cassiterite, scheelite, and wolframite 166 (Fig. 4h and i). The tourmaline...Penamacor-Monsanto granitic pluton and host-rocks (Central Portugal): genetic 418 implications of crystal-chemical...mineralization, 431 Serra do Itaberaba Group, central Ribeira Belt, SE Brazil. Chemical Geology 264, 432 207‒220...granites from the Gouveia area, central 518 Portugal. Lithos 111, 186–202. 520 Palmer, M.R., Swihart |  | Cheval-Garabédian, Florent, Faure, Michel, Marcoux, Eric, Gouin, Jérome, Picault, Maxime (2020) The La Bellière gold and antimony district (French Armorican Massif): A two-stage evolution model controlled by Variscan strike-slip tectonic. Ore Geology Reviews, 125. 103681pp. doi:10.1016/j.oregeorev.2020.103681 | Journal (article/letter/editorial) | | quartz filling, 2) arsenopyrite-pyrite with minor scheelite assemblage, 3) gold and base metal sulfides crystallized...sample), and 40% in fresh outcrops around La Bellière mine, Bégrolle, and Belleville (Fig.3A) occurrences....gangue (Fig.7A), and syntectonic deposition of scheelite, massive arsenopyrite (Fig.7B-E), and rare white...1: early vein filling followed by shearing and scheelite-arsenopyrite paragenesis. Stage 1A corresponds...For the first time, large grains of subeuhedral scheelite and apatite (up to 2 cm) have been found only |  | | Book | | The auriferous claims 148 The gold mine of Morro Velho 153 The Mine of Passagem 155 The/old rush in P'ianc6...Gypsum and anhydrite 328 Barite 331 Crocoite 332 Scheelite 337 Phosphates and arsenates 339 Extraordinary...topaz 385 T he imperial topaz of Ouro Preto 393 The Mine of Capao do Lana 397 The imperial topaz of Antonio...of the pyralspite series 411 essartine 414 ~ he Mine of Pedra Bonita 416 Garnets of the ugrandite series...feldspars, pyroxenes, cassiterite, topaz, wolframite, scheelite, copper, lead and zinc minerals. Archean and Pah:oproterozoic |  | | Journal (article/letter/editorial) | | StableIsotopeStudiesof the Tin-Tungsten Deposits ofPanasqueira, Portugal WILLIAM C. KELLY AND RO•',Ei•T O. RyE Abstract...Abstract The tin-tungstendepositsof Panasqueira,Portugal, are the leadingsourceof tungsten in westernEuropeand...Beralt Tin and \Volfram Portugal, SARL, TnE ore deposits of Panasqueira, Portugal, have receivedlittle...importantly, if Clark mote mining district in central Portugal is a placeof (1964) was correct,here was a specialplacewhere...located in the Beira Baxia provinceof central Portugal about 34 km westof the city of Fundgo(Fig. 1) |  | | Book | | sses. 3. Geology-Spain-Congresses. 4. Geology-Portugal-Congresses. I. Dallmeyer, R. D., 1944- . II. Martinez-Garcia...km E of Gijon (Asturias), in the La Camocha Coal Mine, where some 2300 m of a succession containing workable...zonation of the Lower Carboniferous of Spain and Portugal. Int Symp Belgian Micropal limits from Emsian...y estratigrafia del Carbonifero de Espana NW y Portugal N. Estud Geol 15 (41-44): 393-420 Wagner RH (1971)...Patac (1920), by means of plant remains found in a mine shaft near Pola de Siero (Asturias). Later on, Melendez |  | | Book (volume) | | Luxembourg by J. Bouladon Spain by F. Vazquez Guzman Portugal by D. Thadeu Italy by P. Zuffardi European part...Yugoslavia; and Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an introductory chapter...Elisa and Dorinda Barruecopardo Golpejas or Bellita mine Morille-Martinamor El Cubito El Trasqui16n. Santa...182 185 186 187 189 189 190 190 190 191 191 192 Portugal by D. Thadeu. History of mining Geotectonic framework...deposits . Tin-tungsten quartz vein deposits Scheelite---wolframite skarn and skarnoid deposits . Gold-silver |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Harbidge, P., Holliday, J. (2013) The Geology and Mineralogy of the Loulo Mining District, Mali, West Africa: Evidence for Two Distinct Styles of Orogenic Gold Mineralization. Economic Geology, 108 (2) 199-227 doi:10.2113/econgeo.108.2.199 | Journal (article/letter/editorial) | | mineralization largely linked to a transtensional event. The mine camp is divided into two distinct styles of gold...P-REE-W–bearing phases (apatite, monazite, xenotime, and scheelite). Base metal concentrations show a marked increase...arsenopyrite and arsenian pyrite. Base metal sulfides, scheelite, and (REE)-phosphates are extremely rare. The...recognized, commercial mining only started in 2005. The mine camp is owned by Société des Mines de Loulo (Somilo)...(REE)-phosphates (apatite, monazite, and xenotime) and scheelite. A summary of the ore and alteration paragenesis |
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