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Murçós Mines, Murçós, Macedo de Cavaleiros, Bragança District, Portugal

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Latitude & Longitude (WGS84): 41° 40' 46'' North , 6° 58' 55'' West
Latitude & Longitude (decimal): 41.67972,-6.98222
GeoHash:G#: ez7j15e9y
Locality type:Group of Mines
Köppen climate type:Csb : Warm-summer Mediterranean climate
Name(s) in local language(s):MInas de Murçós, Murçós, Macedo de Cavaleiros, Distrito de Bragança, Portugal


Stockwork-type W-Sn mineralization in Silurian schists intruded by a Variscan biotite granite. The deposit was mined from four open pits from 1948 until 1976 as well as underground. Overall production was 335 tons of tungsten and 150 tons of tin.
Three lakes were left in the area. Remediation was carried out between 2005 and 2007.

O Complexo Mineiro de Murçós encerra um património constituído por diversas frentes de exploração a céu aberto, uma galeria mineira e por edifícios de apoio à laboração da mina e da lavaria, onde, em outros tempos, se procedeu à separação do minério. Em Murçós a atividade mineira esteve principalmente associada à exploração de volfrâmio, um metal de elevada importância para a produção de armamento durante a II Guerra Mundial. A extração de volfrâmio na região remonta ao ano de 1940, tendo sido suspensa no período entre 1976 a 1981 (in: Geopark Terras de Cavaleiros).

Tin-tungsten mining concessions

MineralMining concession/numberRegistered on
W-Sn3353 Muro03-01-1963
Sn-W3307 Sairinha No. 606-07-1961
Sn-W3308 Sairinha No. 706-07-1961
Sn-W3021 Sairinha No. 202-11-1955
W-Sn2322 Culheira24-06-1948
W-Sn2297 Vale Escuro13-01-1948

Regions containing this locality

Iberian Peninsula

Peninsula - 1,540 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Arsenopyrite
Formula: FeAsS
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
'Biotite'
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Bismuth
Formula: Bi
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Bismuthinite
Formula: Bi2S3
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Cassiterite
Formula: SnO2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Chalcopyrite
Formula: CuFeS2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Galena
Formula: PbS
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
'Joséite'
Formula: Bi4TeS2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Matildite
Formula: AgBiS2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Pyrite
Formula: FeS2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Pyrrhotite
Formula: Fe7S8
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Quartz
Formula: SiO2
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Rooseveltite
Formula: Bi(AsO4)
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Scheelite
Formula: Ca(WO4)
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Sphalerite
Formula: ZnS
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
Stannite
Formula: Cu2FeSnS4
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Goldschmidt Conference Abstracts 2010.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Bismuth'1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Bismuthinite'2.DB.05Bi2S3
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
'Matildite'2.JA.20AgBiS2
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
'Stannite'2.CB.15aCu2FeSnS4
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Quartz'4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
'Scheelite'7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
'Rooseveltite'8.AD.50Bi(AsO4)
'Scorodite'8.CD.10Fe3+AsO4 · 2H2O
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Joséite'-Bi4TeS2
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 4:3
'Joséite'2.6.2.1Bi4TeS2
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Stannite2.9.2.1Cu2FeSnS4
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø = 2
Matildite3.7.1.1AgBiS2
Group 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Rooseveltite38.4.4.1Bi(AsO4)
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Biotite'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H ScoroditeFe3+AsO4 · 2H2O
OOxygen
O AnglesitePbSO4
O CassiteriteSnO2
O QuartzSiO2
O RooseveltiteBi(AsO4)
O ScheeliteCa(WO4)
O ScoroditeFe3+AsO4 · 2H2O
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
SiSilicon
Si QuartzSiO2
SSulfur
S AnglesitePbSO4
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S GalenaPbS
S JoséiteBi4TeS2
S MatilditeAgBiS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SphaleriteZnS
S StanniteCu2FeSnS4
CaCalcium
Ca ScheeliteCa(WO4)
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe ScoroditeFe3+AsO4 · 2H2O
Fe StanniteCu2FeSnS4
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CuCopper
Cu ChalcopyriteCuFeS2
Cu StanniteCu2FeSnS4
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As RooseveltiteBi(AsO4)
As ScoroditeFe3+AsO4 · 2H2O
AgSilver
Ag MatilditeAgBiS2
SnTin
Sn CassiteriteSnO2
Sn StanniteCu2FeSnS4
TeTellurium
Te JoséiteBi4TeS2
WTungsten
W ScheeliteCa(WO4)
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
PbLead
Pb AnglesitePbSO4
Pb GalenaPbS
BiBismuth
Bi BismuthBi
Bi BismuthiniteBi2S3
Bi JoséiteBi4TeS2
Bi MatilditeAgBiS2
Bi RooseveltiteBi(AsO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Devonian - Silurian
358.9 - 443.8 Ma



ID: 3184359
Paleozoic crystalline metamorphic rocks

Age: Paleozoic (358.9 - 443.8 Ma)

Comments: Morais-Braganca Allochthon

Lithology: Amphibolite; mafic gneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Early Devonian - Silurian
393.3 - 443.8 Ma



ID: 3151499
Silurian phyllite

Age: Paleozoic (393.3 - 443.8 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{phyllite}, Minor{quartzite,greenschist,meta-sediment group}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Antunes, I.M.H.R., Gomes, M.E.P., Neiva, A.M.R., and Teixeira, R.J.S. (2010): Contamination of waters related to abandoned W-Sn mines (Murçós, NE Portugal). Goldschmidt Conference Abstracts 2010.
Antunes, I. M. H. R.; Gomes, M. E. P.; Neiva, A. M. R.; Carvalho, P. C. S.; Santos, A. C. T. (2016): Potential risk assessment in stream sediments, soils and waters after remediation in an abandoned W-Sn mine (NE Portugal). Ecotoxicology and Environmental Safety 133, 135-145.


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