Name(s) in local language(s): | Minas de Eiras, Eiras, Chaves, Distrito de Vila Real, Portugal |
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Latitude & Longitude (WGS84): | 41° 44' 0'' North , 7° 24' 42'' West |
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Latitude & Longitude (decimal): | 41.73354,-7.41194 |
GeoHash: | G#: ez6trm6g3 |
Locality type: | Group of Mines |
Köppen climate type: | Csb : Warm-summer Mediterranean climate |
Sn mines.
Pegmatite veins and alluvial.
Mining concessions:
No. 3243 Alto da Peleira (Sn), registered on 15-11-1958
No. 3244 Alto da Cotovia (Sn), registered on 15-11-1958
No. 3245 info n/a
Regions containing this locality
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsDetailed Mineral List:
ⓘ Cassiterite Formula: SnO2 Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 223Sn |
ⓘ 'Feldspar Group' Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 223Sn |
ⓘ Quartz Formula: SiO2 Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 223Sn |
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
ⓘ | 'Cassiterite' | 4.DB.05 | SnO2 |
ⓘ | 'Quartz' | 4.DA.05 | SiO2 |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Feldspar Group' | - |
List of minerals arranged by Dana 8th Edition classification
Group 4 - SIMPLE OXIDES | |||
---|---|---|---|
AX2 | |||
ⓘ | Cassiterite | 4.4.1.5 | SnO2 |
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
ⓘ | Quartz | 75.1.3.1 | SiO2 |
Unclassified Minerals, Rocks, etc. | |||
ⓘ | 'Feldspar Group' | - |
List of minerals for each chemical element
O | Oxygen | |
---|---|---|
O | ⓘ Cassiterite | SnO2 |
O | ⓘ Quartz | SiO2 |
Si | Silicon | |
Si | ⓘ Quartz | SiO2 |
Sn | Tin | |
Sn | ⓘ Cassiterite | SnO2 |
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
Paleozoic 251.902 - 541 Ma ID: 3191372 | Paleozoic intrusive rocks Age: Phanerozoic (251.902 - 541 Ma) Lithology: Intrusive igneous rocks 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: 3131265 | 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