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São Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugali
| Regional Level Types | |
|---|---|
| São Miguel de Acha Mines | Group of Mines (Abandoned) |
| São Miguel de Acha | - not defined - |
| Idanha-a-Nova | Municipality |
| Castelo Branco | District |
| Portugal | Country |
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Latitude & Longitude (WGS84):
40° 0' 55'' North , 7° 19' 18'' West
Latitude & Longitude (decimal):
Type:
Group of Mines (Abandoned) - last checked 2025
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Alcains | 5,030 (2012) | 15.9km |
| Monsanto | 828 (2014) | 17.8km |
| Fundão | 9,725 (2014) | 20.6km |
| Aldeia de Joanes | 1,333 (2018) | 21.6km |
| Castelo Branco | 33,479 (2012) | 25.9km |
Name(s) in local language(s):
Minas de São Miguel de Acha (d'Ache, d'Acha), São Miguel de Acha, Idanha-a-Nova, Distrito de Castelo Branco, Portugal
Pb-Zn (& Ag-Sn-W) occurences in quartz veins (1885-1954).
Registered mining concessions (up to 1962):
No. 1619 Fonte dos Sinos (Pb-Zn), registered on 08-10-1927
No. 353 Chão de Tirante (Zn-Pb), registered on 30-10-1902
No. 336 Barroca do Marmeleiro (Zn-Pb-Sn-W), registered on 18-11-1901
No. 245 Cabeço onde mataram os Homens (Pb-Zn), registered on 16-08-1892
Ocorrências de zinco e chumbo; independentes da actividade ígnea; filões
Filões de quartzo orientados NE-SW
Mineralizações principais: blenda, galena
Morfologias: filão; Rochas encaixantes: granitos
Geologia local: granito monzonítico porfiróide
Geologia regional: granitos tardi a pós-F3
Source: LNEG
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 References: |
| ⓘ Covellite Formula: CuS References: |
| ⓘ 'Feldspar Group' References: |
| ⓘ Galena Formula: PbS |
| ⓘ Mimetite Formula: Pb5(AsO4)3Cl References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ Pyromorphite Formula: Pb5(PO4)3Cl References: |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Sphalerite Formula: ZnS |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Covellite | 2.CA.05a | CuS |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Mimetite | 8.BN.05 | Pb5(AsO4)3Cl |
| ⓘ | Pyromorphite | 8.BN.05 | Pb5(PO4)3Cl |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Feldspar Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Mimetite | Pb5(AsO4)3Cl |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| O | ⓘ Quartz | SiO2 |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| P | Phosphorus | |
| P | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Covellite | CuS |
| S | ⓘ Galena | PbS |
| S | ⓘ Sphalerite | ZnS |
| Cl | Chlorine | |
| Cl | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Cl | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | Iron | |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Covellite | CuS |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Mimetite | Pb5(AsO4)3Cl |
| Pb | ⓘ Pyromorphite | Pb5(PO4)3Cl |
Mindat Articles
The Weight of the Lead from São Miguel de Acha by Rui NunesOther Regions, Features and Areas containing this locality
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São Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal