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El Laco Fe deposit, San Pedro de Atacama, El Loa Province, Antofagasta Region, Chile

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Latitude & Longitude (WGS84): 23° 50' 38'' South , 67° 29' 8'' West
Latitude & Longitude (decimal): -23.84389,-67.48556
GeoHash:G#: 6eb0276e2
Locality type:Deposit
Köppen climate type:ET : Tundra


A highly unusual lava flow consisting principally of magnetite!
Iron oxide deposit, hosted in a Pliocene stratovolcano. The deposit comprises seven orebodies of massive magnetite within an 8 x 4 km area. Reserves are estimated at 500 million tons of ore grading at 60% Fe.
The ore formed by deposition of hot magmatic Fe-saturated gas. The ore contains magnetite spherules.


Mineral List

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

8 valid minerals.

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

Quaternary - Tertiary
0 - 66 Ma



ID: 3186221
Cenozoic volcanic rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Intermediate-felsic volcanic 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]

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


Localities in this Region
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Chile

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Wegner, R. (1982): El Laco/Chile. Lavaströme aus Eisenerz. LAPIS 7 (5), 15-18.
Fischer, W. (2011): Eine Mineralienreise durch Chile & Argentinien. Mineralien Welt, 22 (2), 38-48.
Maksaev, V., Townley, B., Palacios, C., and Camus, F. (2007): Metallic ore deposits. In: Moreno, T., and Gibbons, W. (editors): The Geology of Chile. The Geological Society (London), pp. 414.
Nyström, J.O., Henríquez, F., Naranjo, J.A., Naslund, H.R. (2016): Magnetite spherules in pyroclastic iron ore at El Laco, Chile. American Mineralogist: 101: 587-595

 
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