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Goethite from
Castromil, Sobreira, Paredes, Porto, Portugal


Classification
Species:Goethite
Formula:α-Fe3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Castromil, Sobreira, Paredes, Porto, Portugal
Data Identifiers
Mindat Occurrence Record ID:1443741
Long-form Identifier:1:3:1443741:4
GUID (UUID V4):b91bfeb9-8411-49bb-b484-b52527a54d94
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Supergene gold enrichment in the Castromil-Serra da Quinta gold deposit, NW Portugal C. CRUZ1,2,*, F. NORONHA2...the University of Porto, Portugal Institute of Earth Sciences – Porto Pole, Portugal Medgold Resources...Resources Corp, Portugal Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia...metasediments occur in the northwestern part of Portugal. Most of these deposits were mined by the Romans...II AD) as open pits and surface galleries. The Castromil-Serra da Quinta gold deposit is an important example
Journal (article/letter/editorial)
(sphalerite and galena), and Fe-hydroxides (mainly goethite). The host rock is dolomite that can be locally...orogenic gold mineralisation in the castromil prospect, Northwest Portugal Cameron L. Hooper1*, Gawen R.T...UK (ch287@le.ac.uk) 2 Medgold Resources Corp, Portugal In NW Iberia, orogenic gold mineralisation occurs...2000). In the case of the Castromil prospect located East of Porto, Portugal, the Castello de Paiva granite...to investigate the nature of mineralisation at Castromil in order to better understand the gold paragenesis
Journal (article/letter/editorial)
the Neves-Corvo deposit, Iberian Pyrite Belt, Portugal’ (Carvalho et al., 2018) which was the keynote...sphalerite, goethite and hematite, Ge is found mainly in willemite, and In occurs in goethite and hematite...magmatic-hydrothermal system of Borralha, northern Portugal’, Bobos et al. (2018) show how chlorite compositions...‘Supergene gold enrichment in the Castromil-Serra da Quinta gold deposit, NW Portugal’ (Cruz et al., 2018) shows...magmatic-hydrothermal system of Borralha, northern Portugal. Mineralogical Magazine, 82, xxx–yyy. Bowles
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
Journal (article/letter/editorial)
Mosteiros Gold Deposits, Tomar Cordoba Shear Zone, Portugal a a b D. P. S. de Oliveira , L. J. Robb , C...Mosteiros Gold Deposits, Tomar Cordoba Shear Zone, Portugal, International Geology Review, 49:10, 907-930...Mosteiros Gold Deposits, Tomar Cordoba Shear Zone, Portugal D. P. S. DE OLIVEIRA,1 L. J. ROBB, Economic Geology...Mineiro, Apartado 7586, 2721-866 Alfragide (Lisbon), Portugal and CREMINER, Faculdade Ciências, Univ. Lisboa...Lisboa, Edifício C6, Campo Grande, 1749-016 Lisboa, Portugal AND E. G. CHARLESWORTH School of Geosciences
Journal (article/letter/editorial)
abandoned Sb-Au and As-Au mining areas, northern Portugal Paula C.S. Carvalho a,∗ , Ana M.R. Neiva a , Maria...Sciences, University of Coimbra, 3000-272 Coimbra, Portugal University of Aveiro, Geosciences Department,...Research Centre, Campus de Santiago, 3810-193 Aveiro, Portugal a r t i c l e i n f o Article history: Received...are also associated with Fe phases (hematite and goethite, and also lepidocrocite in stream sediments from...associated with the Valongo anticline (northern Portugal). These Au deposits are classified as Sb-Au and
Journal (article/letter/editorial)
oxides-hydroxides and copper carbonates, such as goethite, and malachite and azurite. 3.3. Ore mineralogy...supergene malachite, azurite, covellite, digenite and goethite. The ore minerals occur as disseminations, veinlets...of the ore zones, chalcopyrite is replaced by goethite and covellite; locally islands of relict chalcopyrite...to 1 mm in diameter and are usually replaced by goethite (Fig. 7C). Pyrite is generally irregularly distributed...of malachite, azurite, covellite, digenite, and goethite. 4. Fluid inclusion studies 4.1. Sampling and
Journal (article/letter/editorial)
CO3 (OH)2 ), hematite (Fe2 O3 ), limonite and goethite (Fe2 O3 ·H2 O), barite (BaSO4 ), gypsum (CaSO4...alkaline soils, stable phases such as hematite and goethite may occur (Arias et al., 2008). In agricultural...on arsenic and lead in soils of Castromil gold mining area, Portugal. Appl. Geochem. 19, 887–898. Forghani
Journal (article/letter/editorial)
altered to goethite in zones of as much as 40 m in width during supergene alteration and the goethite is an...inclusions. The hematite veins are altered to goethite due to supergene alteration, which is an important...intrusion in the genesis of the Castromil gold deposit, northern Portugal: Chem. Geol. 194, 201-224. 25...seligmanite, (Grn) greenockite, (Hem) hematite, (Gth) goethite. 26 ACCEPTED MANUSCRIPT Fig. 5. Photographs
Journal (article/letter/editorial)
smithsonite, malachite, azurite, covellite and goethite. The mineral paragenesis of the mineralized veins...oxides-hydroxides and copper carbonates, such as goethite, malachite, and azurite. The ores at Zajkan are...smithsonite, malachite, azurite, covellite, and goethite, all of which are hosted by a quartz, sericite...Chl: chlorite, Cv: covellite, Gn: galena, Gth: goethite, Hem: hematite, Py: pyrite, Qz: quartz, Sp: sphalerite...zones, chalcopyrite is replaced by covellite and goethite; locally, skeletal textures of chalcopyrite are
Journal (article/letter/editorial)
replaced by supergene covellite (Table 2), anglesite, goethite, and especially scorodite replacing arsenopyrite...temperature. The δ 18Ofluid data obtained in northwest Portugal, Massif Central, and other gold districts in northwest...Middle Ordovician sulfides metasediments Northwest Portugal Quartz–arsenopyrite gold veins in granites A...belt are restricted to the northwest of Spain and Portugal. In contrast, Sb– Au deposits are classified as...includes several deposits in northwest/central Portugal and western Spain as syn- and post-kinematic veins
Book
Exploração Mineira Romana e a Metalurgia do Ouro em Portugal Carla Maria Braz Martins NA EUROPA ATLâNTICA...externa da Faculdade de Engenharia da Universidade do Porto. O seu interesse científico compreende as áreas...Agregação da Faculdade de Engenharia da Universidade do Porto. Os seus temas de interesse científico inserem-se...Auxiliar da Faculdade de Engenharia da Universidade do Porto e investigador do Centro de Investigação em Geo-Ambiente...mining and metallurgy in the Mira valley (Southwest Portugal) from Iron Age to the Middle Ages Jorge Vilhena
Journal (article/letter/editorial)
are frequently replaced by supergene hematite-goethite mixture, scorodite and jarosite. Microstructural...intrusion in the genesis of the Castromil gold deposit, northern Portugal. Chemical Geology 194, 201-224
 
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