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Basalt Cu occurrences, Zhaoyang District, Zhaotong, Yunnan, Chinai
Regional Level Types
Basalt Cu occurrencesGroup of Occurrences
Zhaoyang DistrictDistrict
ZhaotongPrefecture-level City
YunnanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
27° North , 103° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~47km
GRN:
N19E65
Type:
Group of Occurrences
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Mindat Locality ID:
233368
Long-form identifier:
mindat:1:2:233368:0
GUID (UUID V4):
0
Name(s) in local language(s):
峨眉山玄武岩型铜矿点, 昭阳区, 昭通市, 云南省, 中国


Emeishan basalts in Zhaotong Prefecture (Zhaoyang District, Ludian, Qiaojia and Yongshan counties) and the adjoining Weining County of Guizhou Province host dozens of small copper deposits and occurrences. The ore minerals are mainly native copper and chalcocite, minor copper oxides and occasionally subordinate amounts of sulphides. They occur as grains, irregular clusters and fracture fillings in layers consisting of basalt tuffs, tuffaceous lava and tuffaceous sedimentary rocks. In some localities, adjacent vesicular basalts are also mineralized. Gangue minerals are hydrothermal quartz and calcite. Individual ore bodies are a few meters thick and several tens of meters to 300 m long. The most common alteration related to the mineralization is zeolitization, which usually is extensively developed. Additional alterations are silicification, carbonatization and occasionally tremolitization and actinolitization.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

14 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Cuprite
Formula: Cu2O
ⓘ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Native Copper
Formula: Cu
ⓘ 'Petroleum var. Bitumen'
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Tenorite
Formula: CuO
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ 'Zeolite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘTenorite4.AB.10CuO
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘ'Zeolite Group'9.G0.
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
ⓘ'Petroleum
var. Bitumen'		-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ CupriteCu2O
Oⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ TenoriteCuO
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
NaSodium
Naⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ QuartzSiO2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ PyriteFeS2
KPotassium
Kⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CupriteCu2O
Cuⓘ Native CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ TenoriteCuO

Localities in this Region

China

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian 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

Qian Zhang, Dapeng Wang, Liangwu Fan, Xiaoqing Zhu, and Zhengwei Zhang (2008): Ore-forming regularity and prospects of Emeishan basalt-type native copper-chalcocite deposits in the adjoining area of Yunnan-Guizhou provinces. Geology and Prospecting 44(2), 8-13.
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