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Sapphire deposit, Gaiyang, Mingxi County, Sanming, Fujian, Chinai
Regional Level Types
Sapphire depositDeposit
Gaiyang- not defined -
Mingxi CountyCounty
SanmingPrefecture-level City
FujianProvince
ChinaCountry

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Latitude & Longitude (WGS84):
26° North , 117° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~45km
GRN:
N18E75
Type:
Deposit
Köppen climate type:
Cfa : Humid subtropical climate
Mindat Locality ID:
145205
Long-form identifier:
mindat:1:2:145205:4
GUID (UUID V4):
0


Precious zircon and corundum megacrysts, occurring in palaeochannels and palaeoterraces around Cenozoic volcanic rocks outcropping within an area of 20 km2. The rock types include limburgite, olivine basalt, pyroxene-olivine basalt, andesitic basalt, and minor tholeiite. They contain abundant mantle xenoliths of garnet lherzolite, spinel lherzolite and garnet pyroxenite.

Zircons from this locality, usually greyish brown in colour, can be heat-treated to give colourless or light blue specimens (Tang, 2001).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘSpinel4.BB.05MgAl2O4
ⓘCorundum4.CB.05Al2O3
ⓘvar. Sapphire4.CB.05Al2O3
ⓘBaddeleyite4.DE.35ZrO2
Group 9 - Silicates
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
Unclassified
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Pyroxene Group'-ADSi2O6

List of minerals for each chemical element

OOxygen
Oⓘ BaddeleyiteZrO2
Oⓘ CorundumAl2O3
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ Corundum var. SapphireAl2O3
Oⓘ SpinelMgAl2O4
Oⓘ ZirconZr(SiO4)
Oⓘ Fayalite-Forsterite Series
Oⓘ Pyroxene GroupADSi2O6
MgMagnesium
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ SpinelMgAl2O4
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ CorundumAl2O3
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ Corundum var. SapphireAl2O3
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ ZirconZr(SiO4)
Siⓘ Fayalite-Forsterite Series
Siⓘ Pyroxene GroupADSi2O6
FeIron
Feⓘ Fayalite-Forsterite Series
ZrZirconium
Zrⓘ BaddeleyiteZrO2
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian Plate
Yangtze PlateTectonic Plate

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

Deping Tang (2001): Heat Treatment of Zircons from Mingxi, Fujian. Acta Mineralogica Sinica 21(3), 521-524.
Qiu Zhili et al. (2004): Baddeleyite and Zircon mineral inclusions: Evidence for the genesis of zircon megacrysts related to Cenozoic volcanic rocks in Mingxi, Fujian. Acta Scientiarium Naturalium Universitatis Sunyatsenti 43, 135-139.
Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Hf isotopes of zircon megacrysts from the Cenozoic basalts in eastern China. Chinese Science Bulletin 50(22), 2602-2611.
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