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Dashanshu intrusion, Yanyuan County, Liangshan Yi, Sichuan, Chinai
Regional Level Types
Dashanshu intrusionIntrusion
Yanyuan CountyCounty
Liangshan YiAutonomous Prefecture
SichuanProvince
ChinaCountry

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Latitude & Longitude (WGS84):
27° 38' 34'' North , 101° 55' 55'' East
Latitude & Longitude (decimal):
27.64289,101.93221
GeoHash:
G#:wkbmr80z8
GRN:
N19E64
Type:
Intrusion
Köppen climate type:
Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Nearest Settlements:
PlacePopulationDistance
Xichang126,787(2012)43.1km
Mindat Locality ID:
446675
Long-form identifier:
mindat:1:2:446675:1
GUID (UUID V4):
0


The Dashanshu intrusion is a layered gabbroic intrusion that strikes northeast and dips northwest at angles between 45° and 80°. It is located along the northeast-trending fault and has intruded into Carboniferous limestone to the west and Ordovician sandstone to the east. The intrusion comprises medium- to fine-grained gabbro, with diorite intruding into the gabbro. The ferrogabbro, located centrally within the intrusion, extends 2000 m in length and varies in width from 200 to 360 m, with a dip of 45° to 70° towards the northwest. The total iron content (expressed as Fe2O3) in the ferrogabbro ranges from 15 wt.% to 23 wt.%.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


13 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical ListTree Diagram

Detailed Mineral List:

ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘAugite
Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCalcite
Formula:CaCO3
ⓘChalcopyrite
Formula:CuFeS2
ⓘ'Chlorite Group'
ⓘDiopside
Formula:CaMgSi2O6
ⓘHematite
Formula:Fe2O3
ⓘ'Hypersthene'
Formula:(Mg,Fe)SiO3
ⓘIlmenite
Formula:Fe2+TiO3
ⓘMagnesio-hornblende
Formula:◻Ca2(Mg4Al)(Si7Al)O22(OH)2
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPyrite
Formula:FeS2
ⓘ'Pyroxene Group'
Formula:ADSi2O6
ⓘPyrrhotite
Formula:Fe1-xS
ⓘSphalerite
Formula:ZnS
ⓘTitanite
Formula:CaTi(SiO4)O
ⓘZircon
Formula:Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘMagnesio-hornblende9.DE.10◻Ca2(Mg4Al)(Si7Al)O22(OH)2
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
HⓘApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
CⓘCalciteCaCO3
OOxygen
OⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCalciteCaCO3
OⓘDiopsideCaMgSi2O6
OⓘHematiteFe2O3
OⓘHypersthene(Mg,Fe)SiO3
OⓘIlmeniteFe2+TiO3
OⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
OⓘMagnetiteFe2+Fe23+O4
OⓘTitaniteCaTi(SiO4)O
OⓘZirconZr(SiO4)
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
OⓘPyroxene GroupADSi2O6
OⓘApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgⓘDiopsideCaMgSi2O6
MgⓘHypersthene(Mg,Fe)SiO3
MgⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
AlAluminium
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘDiopsideCaMgSi2O6
SiⓘHypersthene(Mg,Fe)SiO3
SiⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
SiⓘTitaniteCaTi(SiO4)O
SiⓘZirconZr(SiO4)
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiⓘPyroxene GroupADSi2O6
PPhosphorus
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘChalcopyriteCuFeS2
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
SⓘSphaleriteZnS
ClChlorine
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
CaⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
CaⓘCalciteCaCO3
CaⓘDiopsideCaMgSi2O6
CaⓘMagnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2
CaⓘTitaniteCaTi(SiO4)O
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiⓘIlmeniteFe2+TiO3
TiⓘTitaniteCaTi(SiO4)O
FeIron
FeⓘAugite(CaxMgyFez)(Mgy1Fez1)Si2O6
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘChalcopyriteCuFeS2
FeⓘHematiteFe2O3
FeⓘHypersthene(Mg,Fe)SiO3
FeⓘIlmeniteFe2+TiO3
FeⓘMagnetiteFe2+Fe23+O4
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
CuCopper
CuⓘChalcopyriteCuFeS2
ZnZinc
ZnⓘSphaleriteZnS
ZrZirconium
ZrⓘZirconZr(SiO4)

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

[1]Jiang, Manrong, Liu, Wenhao, Zu, Bo, Wang, Weihua (2024) Formation of Ferrogabbro Through Fe-Ti Oxide Accumulation Under Moderate Oxidation Conditions: Insights from the Dashanshu Intrusion in the Emeishan Large Igneous Province, SW China.Minerals, 14 (11).doi:10.3390/min14111156
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