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S & K Mine (Monywa Mine), Monywa, Monywa District, Sagaing Division, Myanmar

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Latitude & Longitude (WGS84): 22° 15' 0'' North , 95° 4' 60'' East
Latitude & Longitude (decimal): 22.25, 95.0833333333
Other/historical region names associated with this locality:Burma
Other regions containing this locality:Asia


The 50 km2 Monywa copper district lies near the Chindwin River within the northward continuation of the Sunda-Andaman magmatic arc, and 110 km west of the city of Mandalay.

High-sulphidation epithermal copper deposit(s), hosted in a series of Cenozoic sedimentary clastic rocks and Late Miocenic felsic to intermediate volcanic rocks (andesite or dacite porphyry intrusions).
Most mineralization is structurally-controlled with digenite-chalcocite in breccia dykes, in steeply dipping NE-trending sheeted veins, and in stockwork and low-angle sulfide veins.

The deposits were discovered by drilling starting in 1959. The mine was started in 1984 (1983 according to Mitchell et al. 2011, as a small open pit at Sabetaung), is owned by No. 1 Mining Corp. (sic) and operated by a 50/50 joint venture of Ivanhoe Mining and the military regime.

Mineral List

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

16 valid minerals.

Regional Geology

This 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 data will improve over time as more accurate maps and data sets are added.

Pliocene - Miocene2.588 - 23.03 MaMiocene-Pliocene sedimentary rocks

Sedimentary rocks

Central Burma Basin


References for regional geology:

Data provided by Macrostrat.org

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.


Localities in this Region

Myanmar

The above list 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

Mining Annual Review (1985): 56 & 389.

Khin Zaw, Peters, S.G., Cromie, P., Burrett, C., and Zengqian Hou (2007): Nature, diversity of deposit types and metallogenic relations of South China. Ore Geology Reviews 31, 3-47.

Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.

Mitchell, A. H. G., Myint, W., Lynn, K., Htay, M. T., Oo, M., & Zaw, T. (2008). The Monywa copper deposits, Myanmar: Chalcocite-covellite veins and breccia dykes in a late Miocene epithermal system. In Proceedings of the International Symposia on Geoscience Resources and Environments of Asian Terranes (GREAT 2008), 4th IGCP526 and 5th APSEG, Bangkok, Thailand (pp. 219-222).

Mitchell, A. H. G., Win Myint, Kyi Lynn, Myint Thein Htay, Maw Oo, and Thein Zaw (2011): Geology of the High Sulfidation Copper Deposits, Monywa Mine, Monywa. Resour. Geol., 61, 1-29.

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