Portela Grande Mine, Alcaria Ruiva, Mértola, Beja, Portugali
| Regional Level Types | |
|---|---|
| Portela Grande Mine | Mine (Abandoned) |
| Alcaria Ruiva | Civil Parish |
| Mértola | Municipality |
| Beja | District |
| Portugal | Country |
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Latitude & Longitude (WGS84):
37° 42' 41'' North , 7° 45' 35'' West
Latitude & Longitude (decimal):
Type:
Mine (Abandoned) - last checked 2024
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Mértola | 7,274 (2018) | 11.6km |
| Minas de São Domingos | 2,500 (2018) | 23.5km |
| Cabeça Gorda | 1,386 (2018) | 23.8km |
| Salvada | 1,352 (2018) | 25.2km |
| Castro Verde | 4,857 (2014) | 28.7km |
Name(s) in local language(s):
Mina de Portela Grande, Alcaria Ruiva, Mértola, Distrito de Beja, Portugal
Old Mn mine.
Mining concession no. 305 Portela Grande (Mn), registered on 03-11-1899.
Geologia da ocorrência:
Tipos: ocorrências de manganês, ligadas a vulcanismo, estratiformes.
Génese: singenética, vulcanogénica-sedimentar, supergénica.
Descrição geológica: lentículas e bandas de pirolusite e psilomelana concordantes com as rochas encaixantes.
Geologia local: complexo vulcano-sedimentar e formação filito-quartzítica.
Geologia regional: sub-sector Mértola-Albernoa da faixa piritosa.
Mineralizações principais: pirolusite.
Mineralizações secundárias: psilomelano.
Distribuições: bolsadas.
Morfologias: estratiforme, irregular.
Gangas: jaspe, quartzitos, xistos.
Rochas encaixantes: jaspe, quartzitos, xistos.
Concessões: 305.
Ref: LNEG/Siorminp 653Mn.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
2 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Psilomelane' |
| ⓘ Pyrolusite Formula: Mn4+O2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Unclassified | |||
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Mn | Manganese | |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
Other Regions, Features and Areas containing this locality
Eurasian PlateTectonic Plate
- South Portuguese ZoneOrogenic Belt
EuropeContinent
Iberian PeninsulaPeninsula
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