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Dayakou emerald mine, Malipo Co., Wenshan Autonomous Prefecture, Yunnan Province, China
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Emerald
Dayakou emerald mine, Malipo Co., Wenshan Autonomous Prefecture, Yunnan Province, China

Photo: fabreminerals.com
Latitude: 22°55'41"N
Longitude: 104°41'48"E
 
 
Emerald-bearing quartz and pegmatite veins, hosted in Cambrian metamorphic rocks at the eastern contact of the Yanshannian Laojunshan granite.

Mineral List

Albite
'Apatite'
Arsenopyrite
Beryl
var: Emerald
'Biotite'
Calcite
Fluorite
Muscovite
var: Fuchsite
Orthoclase
Phlogopite
Pyrite
Pyrrhotite
Quartz
Scheelite
Titanite
'Tourmaline'


18 entries listed. 13 valid minerals.

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References

Ottens, B. (2006): Smaragd aus Dayakou. Lapis 31(4), 13-20 (in German).

Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Emerald deposits and occurrences: A review. Ore Geology Reviews 34, 87-112.

Xue, G., Marshall, D., Zhang, S., Ullrich, T.D., Bishop, T., Groat, L.A., Thorkelson, D.J., Giuliani, G., and Fallick, A.E. (2010): Conditions for Early Cretaceous emerald formation at Dyakou [sic], China: Fluid inclusion, Ar-Ar and stable isotope studies. Economic Geology 105, 339-349.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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