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Pedra Preta Mine, Xinguara, Carajás mineral province, Pará, Brazil

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Latitude & Longitude (WGS84): 7° 11' South , 50° 34' West
Latitude & Longitude (decimal): -7.18333,-50.56667
GeoHash:G#: 6ysp1k66p
Locality type:Mine
Köppen climate type:Aw : Tropical savanna, wet


Wolframite-bearing veins and placers. Small amounts of wolframite concentrates were produced by "garimpeiros" from weathered quartz veins and colluvial and eluvial material.

Regions containing this locality

Amazonian Craton, South America

Craton - 421 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


1 valid mineral.

Detailed Mineral List:

Quartz
Formula: SiO2
Reference: Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): US Geological Survey Circular 930-O.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Unclassified Minerals, Rocks, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

OOxygen
O QuartzSiO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
SiSilicon
Si QuartzSiO2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4

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

Archean
2500 - 4000 Ma



ID: 3188337
Archean crystalline metamorphic rocks

Age: Archean (2500 - 4000 Ma)

Lithology: Medium-high grade unclassified metamorphic rock

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]

Mesoarchean
2800 - 3200 Ma



ID: 2299174
Granodiorito Rio Maria Suíte

Age: Mesoarchean (2800 - 3200 Ma)

Lithology: Diorite, tonalite, granodiorite, quartz diorite, monzogranite

Reference: Geological Survey of Brazil. State Geological Maps of Brazil. CPRM - Geobank. [43]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): International Strategic Mineral Issues Summary Report - Tungsten. US Geological Survey Circular 930-O.


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