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Valongo, Valongo, Porto, Portugali
Regional Level Types
Valongo- not defined -
Valongo- not defined -

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Name(s) in local language(s):Valongo, Valongo, Distrito do Porto, Portugal
Neighbouring regions:

Parish (with the same name) of Valongo municipality.

Registered mining concessions (up to 1962):
2367 Moinhos de Riba no. 1 (Sb), registered on 30-07-1949
CM29 Valongo (Sb-Au-W), registered on 01-04-1936
1908 Lugar de Carvoeiras (Au), registered on 02-10-1935 – Valongo mining field
1899 Santa Justa Au), registered on 20-07-1935 – Valongo mining field
1897 Pias no. 6 (Au), registered on 19-07-1935 – Valongo mining field
1893 Casa da Orca (Au), registered on 17-07-1935 – Valongo mining field
1895 Salto do Ferreira no. 2 (Au), registered on 17-07-1935 – Valongo mining field
978 Pinhal (Sb-Au), registered on 27-11-1920
250 Ribeiro da Quinta do Cavalo Morto (Sb), registered on 02-11-1893
226 Crista da Serra (Sb), registered on 01-03-1889
190 Vale do Inferno (Sb-Au-W), registered on 13-01-1886 – Valongo mining field
189 Fojo das Pombas(Sb-Au-W), registered on 12-01-1886 – Valongo mining field
188 Pirâmide de Santa Justa (Sb-Au-W), registered on 11-01-1886 – Valongo mining field
3 Vale de Aches e Ribeiro da Igreja (Sb), registered on 23-03-1839

Gold (Au) exploitation by the Romans at Moirama mines (Serra de Pias); ref: Maria Helena Macedo Couto, As Minerações de Sb-Au da Região Dúrico-Beirã, Porto 1993.

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

Mineral list contains entries from the region specified including sub-localities

6 valid minerals.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides

List of minerals arranged by Dana 8th Edition classification

Metals, other than the Platinum Group
Group 2 - SULFIDES
AmXp, with m:p = 1:1
AmBnXp, with (m+n):p = 2:3
AmBnXp, with (m+n):p = 1:2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Rocks, etc.
'Electrum'-(Au, Ag)

List of minerals for each chemical element

O QuartzSiO2
Si QuartzSiO2
S ArsenopyriteFeAsS
S PyriteFeS2
S SphaleriteZnS
S StibniteSb2S3
Fe ArsenopyriteFeAsS
Fe PyriteFeS2
Zn SphaleriteZnS
As ArsenopyriteFeAsS
Ag Electrum(Au, Ag)
Sb StibniteSb2S3
Au Electrum(Au, Ag)
Au GoldAu

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

251.902 - 541 Ma

ID: 3189819
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]

443.8 - 485.4 Ma

ID: 3145319
Ordovician quartzite

Age: Ordovician (443.8 - 485.4 Ma)

Description: low grade metamorphic

Lithology: Major:{quartzite}, Minor{shale/slate,carbonates, consolidated,meta-volcanic rock 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


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Maria Helena Macedo Couto, As Minerações de Sb-Au da Região Dúrico-Beirã, Porto 1993.

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