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Piorneiras e Voltas das Juntas Mine, Barrancos, Barrancos, Beja, Portugali
Regional Level Types
Piorneiras e Voltas das Juntas MineMine
Barrancos- not defined -
Barrancos- not defined -

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Name(s) in local language(s):Mina de Piorneiras e Voltas das Juntas, Barrancos, Barrancos, Distrito de Beja, Portugal
Latitude & Longitude (WGS84): 38° 10' 9'' North , 7° 5' 16'' West
Latitude & Longitude (decimal): 38.16922,-7.08782
GeoHash:G#: eyfcnsqzc
Locality type:Mine
Köppen climate type:Csa : Hot-summer Mediterranean climate

Inactive Cu mine.

Mining concession no. 219 "Volta das Juntas (Noudar)" (Copper), registration date 31-12-1888.

Regions containing this locality

Iberian Peninsula

Peninsula - 1,603 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

5 valid minerals.

Detailed Mineral List:

Formula: Cu3(CO3)2(OH)2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database
Formula: CuFeS2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database
Formula: Cu2(CO3)(OH)2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database
Formula: FeS2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database
Formula: SiO2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Group 5 - Nitrates and Carbonates

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
AmBnXp, with (m+n):p = 1:2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si

List of minerals for each chemical element

H AzuriteCu3(CO3)2(OH)2
H MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O MalachiteCu2(CO3)(OH)2
O QuartzSiO2
Si QuartzSiO2
S ChalcopyriteCuFeS2
S PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2

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

Early Devonian - Ordovician
393.3 - 485.4 Ma

ID: 3130737
Ordovician shale/slate

Age: Paleozoic (393.3 - 485.4 Ma)

Description: low grade metamorphic

Lithology: Shale/slate

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]

Early Silurian - Late Ordovician
427.4 - 458.4 Ma

ID: 3188575
Paleozoic sedimentary rocks

Age: Paleozoic (427.4 - 458.4 Ma)

Stratigraphic Name: Moura-St. Aleixo Volcanosedimentary Complex

Comments: Zona De Ossa Morena

Lithology: Sandstone-siltstone

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]

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Pedido de autorização de colheita de elementos nas concessões nº 182, Piorneiras e nº 181, Malhada dos Barrinhos, a fim de permitir a elaboração de um eventual plano de trabalhos - (1966) - Fernando José Silva - 6 pág.
- Relatórios mensais dos trabalhos efectuados pela Brigada Sul durante os anos de 1966 a 1968 e respectivos Relatórios anuais. (Cobre - Mina das Piorneiras - c/Barrancos, d/Beja, 503) - (1967 / 1968) - Fernando José Silva - 565 pág., 27 mapas.
- Resumo da actividade da Divisão durante os meses de Janeiro a Dezembro de 1966 e 1967 e respectivos Resumos anuais. - Divisão de Higiene e Segurança. (Cobre - Mina das Piorneiras - c/Barrancos, d/Beja, 503) -(1966 / 1967) - António Admar Gomes - 40 pág.
- 2º Serviço - Relatórios mensais e anuais de 1966 a 1968. (Cobre - Mina das Piorneiras - c/Barrancos, d/Beja, 503) - (1966 / 1968) - Orlando Martins Cardoso - 156 pág.
- Relatórios dos trabalhos executados durante os meses de Janeiro a Dezembro de 1976 e respectivo relatório anual - Secção de Moura, Barrancos, Castro Verde. (Cobre - Mina das Piorneiras - c/Barrancos, d/Beja, 503) - (1976) - João José Oliveira Barros - 32 pág.
- 2º Serviço - Relatórios trimestrais e anual de 1976. (Cobre - Mina das Piorneiras - c/Barrancos, d/Beja, 503) - (1977) - Orlando Martins Cardoso - 37 pág.
- LNEG, Siorminp ID "1542Cu"

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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