 | | Journal (article/letter/editorial) | | Silver mineralization at the Vale das Gatas tungsten mine, Portugal O. GASPAR Laborat6rio da Direc~o-Geral...de Geologia e Minas, 4465 S. Mamede de Infesta, Portugal J. F. W. BOWLES Micro-AnalysisConsultants Ltd...London WC1X 8NG Abstract The Vale das Gatas tungsten mine is situated at the contact between Hercynian granite...kilometers north of the village of Sabrosa, near Vila Real, in northern Portugal. Wolframite has been the principal...the mine although several other metals of economic interest are known to occur there. The silver content |  | | Report (issue) | | Veszelyite on hemimorphite, 3.6 cm, from the Laochang mine, Gejiu County, Yunnan Province, China. Mintreasure... from a locality which he gives as the Laochang mine, Gejiu County, Yunnan Province, China. Some very...gave “Dulong” as the mine name, gave “Laochang” as the name of a town and not of a mine, and put the whole...==== Bournonite, 2.6 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. John...Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. Bournonite from the Yaogangxian mine has been |  | | Journal (article/letter/editorial) | | wolframite from tin and tungsten quartz veins in Portugal A.M.R. Neiva ⁎ Department of Earth Sciences, University...University of Coimbra, 3000-272 Coimbra, Portugal Received 9 August 2005; accepted 29 May 2006 Available...Sn-bearing quartz veins in Northern and Central Portugal are compared to provide evidence on fluid compositions...Cassiterite; Columbite; Ixiolite; Rutile; Wolframite; Portugal; Ore-forming fluids 1. Introduction ⁎ Fax: +351...and central Portugal. The most intense period of exploitation of Sn and W deposits in Portugal took place |  | | Journal (article/letter/editorial) | | The Jales gold-quartz mineralisation, Northern Portugal A.M.R. Neiva 1, M.H. Dodson 2, D.C. Rex 2, P.G...Sciences, University of Coimbra, 3000 Coimbra, Portugal 2 Department of Earth Sciences, University of...the western part of the Hesperian Massif (Spain-Portugal), from which we infer much slower cooling rates...predominate in northern and central Portugal and are also found in southern Portugal, particularly in northern...are known from radiometric dating results. In Portugal the following extensive sequence of hydrothermal |  | | Book | | the Formation of some Tin-tungsten Deposits in Portugal . . . . . . . . . . . . . . . . . . . . . . ....Mineralization and Fluid Inclusion Study of the Yod Nam Tim Mine, Southern Thailand . . . . . . . . . . . . . . ...and Geology, University of Oporto, 4 000 Oporto, Portugal NEJVA D.l. NORMAN Department of Geoscience...W-Mo veins containing traces of tin (Perda Majori mine; Baccos, 1968; Venerandi, 1968). In the past, these...swarm (Pb-Zn) of the Montevecchiolngurtosu-Gennamari mine and some smaller Pb-Zn, Co-Ni, and As-Sn deposits |
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