Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
La'erma Au-Se Deposit (Laerma Au-Se Deposit), Luqu Co., Gannan, Gansu, China

mindat Locality ID: 134940
mindat URL: http://www.mindat.org/loc-134940.html

Tectonic Settings:

Total number of sublocalities beneath "La'erma Au-Se Deposit (Laerma Au-Se Deposit), Luqu Co., Gannan, Gansu, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 34°0'2"N
Longitude: 102°19'12"E
Decimal Degree (lat, lon): 34.000555555556,102.32

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allophane	Arsenopyrite	Autunite	Baryte	Calcite	Chalcopyrite	Clay	Copper	Covellite	Diaspore
Fluorite	Gypsum	Kaolinite	Lepidocrocite	Marcasite	Mica	Molybdenite	Nickeline	None	Orpiment
Pyrite	Quartz	Rocksalt	Smectite-vermiculite	Sphalerite	Spinel	Stannite	Stibnite	Tetrahedrite

Allophane ()*	Antimonselite ()*	Arsenopyrite ()*	Aurostibite ()*	Autunite ()*
Baryte ()*	Berzelianite ()*	Böhmite ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Cinnabar ()*	Clausthalite ()*	Clinohedrite ()*
Covellite ()*	Dickite ()*	Dolomite ()*	Famatinite ()*	Ferroselite ()*
Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*	Gypsum ()*
Kaolinite ()*	Kullerudite ()*	Lautite ()*	Marcasite ()*	Metacinnabar ()*
Molybdenite ()*	Montmorillonite ()*	Muscovite ()*	Orpiment ()*	Gersdorffite-Pa3 ()*
Polydymite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Realgar ()*
Siderite ()*	Silver ()*	Sphalerite ()*	Stibnite ()*	Tennantite-(Fe) ()*
Tetrahedrite-(Zn) ()*	Tiemannite ()*	Torbernite ()*	Uraninite ()*	Vaesite ()*
Vermiculite ()*

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au Ba C Ca Cu F Fe H Hg K Mg Mo Na Ni O P Pb S Sb Se Si U Zn

Elements from minerals reported directly at this locality: Ag Al As Au Ba C Ca Cu F Fe H Hg K Mg Mo Na Ni O P Pb S Sb Se Si U Zn

Structural Groups for minerals in this locality:
Allophane Arsenopyrite Autunite Baryte Calcite Chalcopyrite Clay Copper Covellite Diaspore
Fluorite Gypsum Kaolinite Lepidocrocite Marcasite Mica Molybdenite Nickeline None Orpiment
Pyrite Quartz Rocksalt Smectite-vermiculite Sphalerite Spinel Stannite Stibnite Tetrahedrite

51 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of localities containing mineral
Allophane ()*	Allophane	Al₂O₃(SiO₂)_1.3-2.0·2.5-3.0H₂O	470
Antimonselite ()*	Stibnite	Sb₂Se₃	7
Arsenopyrite ()*	Arsenopyrite	FeAsS	9052
Aurostibite ()*	Pyrite	AuSb₂	73
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	1272
Baryte ()*	Baryte	Ba(SO₄)	11547
Berzelianite ()*	None	Cu_2-xSe (x ≈ 0.12)	66
Böhmite ()*	Lepidocrocite	AlO(OH)	195
Bornite ()*	None	Cu₅FeS₄	5516
Calcite ()*	Calcite	Ca(CO₃)	27770
Chalcocite ()*	None	Cu₂S	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	27198
Cinnabar ()*	None	HgS	2600
Clausthalite ()*	Rocksalt	PbSe	281
Clinohedrite ()*	None	CaZn(SiO₄)·H₂O	6
Covellite ()*	Covellite	CuS	4165
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	651
Dolomite ()*	None	CaMg(CO₃)₂	9895
Famatinite ()*	Stannite Sphalerite	Cu₃SbS₄	163
Ferroselite ()*	Marcasite	FeSe₂	51
Fluorite ()*	Fluorite	CaF₂	9617
Galena ()*	Rocksalt	PbS	24243
Goethite ()*	Diaspore	FeO(OH)	7437
Gold ()*	Copper	Au	30554
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	6890
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄	5591
Kullerudite ()*	Marcasite	NiSe₂	3
Lautite ()*	None	CuAsS	32
Marcasite ()*	Marcasite	FeS₂	5674
Metacinnabar ()*	Sphalerite	HgS	255
Molybdenite ()*	Molybdenite	MoS₂	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	17380
Orpiment ()*	Orpiment	As₂S₃	511
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	767
Polydymite ()*	Spinel	Ni²⁺Ni³⁺₂S₄	131
Pyrite ()*	Pyrite	FeS₂	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	9056
Quartz ()*	Quartz	SiO₂	61156
Realgar ()*	None	AsS	712
Siderite ()*	Calcite	Fe(CO₃)	6417
Silver ()*	Copper	Ag	5186
Sphalerite ()*	Sphalerite	ZnS	21482
Stibnite ()*	Stibnite	Sb₂S₃	3418
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃	1803
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	5317
Tiemannite ()*	Sphalerite	HgSe	83
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	1059
Uraninite ()*	Fluorite	UO₂	2718
Vaesite ()*	Pyrite	NiS₂	106
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O	652

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...