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:
Alxa League (Alashan Prefecture), Inner Mongolia, China

Oldest recorded age at locality: 1000
Youngest recorded age at locality: 541

mindat Locality ID: 144065
mindat URL: http://www.mindat.org/loc-144065.html

Tectonic Settings:

Total number of sublocalities beneath "Alxa League (Alashan Prefecture), Inner Mongolia, China": 43
Total number of bottom-level sublocalities: 35

Number of Child Localities: 3
Child Localities:
Alxa Left Banner (Alashan Zuoqi)
Alxa Right Banner (Alashan Youqi)
Ejin Banner (Ejina Co.)

Latitude: 40°12'58"N
Longitude: 102°21'55"E
Decimal Degree (lat, lon): 40.216111111111,102.36527777778

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.

Acanthite	Adelite	Alunite	Amorphous	Amphibole	Andalusite	Apatite	Aphthitalite	Aragonite	Arsenic
Arseniosiderite	Arsenopyrite	Baryte	Blödite	Bournonite	Calcite	Chalcopyrite	Clay	Clinozoisite	Cobaltite
Copper	Corundum	Covellite	Cubanite	Diaspore	Digenite	Epidote	Feldspar	Fluorite	Gypsum
Kaolinite	Löllingite	Malachite	Marcasite	Mica	Molybdenite	Nickeline	None	Not in a structural group	Pentlandite
Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Scheelite	Serpentine	Smectite-vermiculite	Sphalerite	Spinel
Stibnite	Talc	Tetrahedrite	Titanite	Topaz	Wurtzite	Zircon

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 Bi C Ca Cl Co Cr Cu F Fe H K Mg Mo Na Ni O P Pb S Sb Se Si Sn Ti U W Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Adelite Alunite Amorphous Amphibole Andalusite Apatite Aphthitalite Aragonite Arsenic
Arseniosiderite Arsenopyrite Baryte Blödite Bournonite Calcite Chalcopyrite Clay Clinozoisite Cobaltite
Copper Corundum Covellite Cubanite Diaspore Digenite Epidote Feldspar Fluorite Gypsum
Kaolinite Löllingite Malachite Marcasite Mica Molybdenite Nickeline None Not in a structural group Pentlandite
Pyrite Pyroxene Quartz Rocksalt Rutile Scheelite Serpentine Smectite-vermiculite Sphalerite Spinel
Stibnite Talc Tetrahedrite Titanite Topaz Wurtzite Zircon

91 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Adamite ()*	Albite ()*	Andalusite ()*
Aphthitalite ()*	Arseniosiderite ()*	Arsenopyrite ()*	Athabascaite ()*	Austinite ()*
Azurite ()*	Baryte ()*	Beudantite ()*	Bismuth ()*	Bismuthinite ()*
Blödite ()*	Bornite ()*	Bournonite ()*	Calcite ()*	Cassiterite ()*
Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Chlorargyrite ()*	Chromite ()*
Chrysotile ()*	Clausthalite ()*	Cobaltite ()*	Covellite ()*	Cubanite ()*
Cuprite ()*	Digenite ()*	Diopside ()*	Dolomite ()*	Epidote ()*
Ferro-edenite ()*	Ferroselite ()*	Fluorapatite ()*	Fluorite ()*	Galena ()*
Glauberite ()*	Goethite ()*	Gold ()*	Graphite ()*	Gypsum ()*
Halite ()*	Hanksite ()*	Hematite ()*	Ilmenite ()*	Kaolinite ()*
Klockmannite ()*	Maghemite ()*	Magnetite ()*	Malachite ()*	Marcasite ()*
Mimetite ()*	Mirabilite ()*	Molybdenite ()*	Montmorillonite ()*	Muscovite ()*
Natron ()*	Nickeline ()*	Opal ()*	Orthoclase ()*	Penroseite ()*
Pentlandite ()*	Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rutile ()*
Safflorite ()*	Scheelite ()*	Scorodite ()*	Siderite ()*	Silver ()*
Sphalerite ()*	Spinel ()*	Stibnite ()*	Stromeyerite ()*	Talc ()*
Tennantite-(Fe) ()*	Tenorite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*	Topaz ()*
Tremolite ()*	Trona ()*	Uranophane-α ()*	Uranopilite ()*	Violarite ()*
Zircon ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Acanthite ()*	Acanthite	Ag₂S			2	40668,40676	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			5	40651,40654,40666,40669,40677	3419
Adamite ()*	Andalusite	Zn₂(AsO₄)(OH)			1	40668	254
Albite ()*	Feldspar	Na(AlSi₃O₈)			7	40658,40659,40662,40669,40678,40680,40681	8803
Andalusite ()*	Andalusite	Al₂SiO₅			1	40670	1310
Aphthitalite ()*	Aphthitalite	K₃Na(SO₄)₂			1	40644	77
Arseniosiderite ()*	Arseniosiderite	Ca₂Fe³⁺₃O₂(AsO₄)₃·3H₂O			1	40668	194
Arsenopyrite ()*	Arsenopyrite	FeAsS			5	40651,40668,40674,40676,40681	9052
Athabascaite ()*	None	Cu₅Se₄			1	40655	18
Austinite ()*	Adelite	CaZn(AsO₄)(OH)			1	40668	71
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			2	40658,40680	5509
Baryte ()*	Baryte	Ba(SO₄)			2	40643,40668	11547
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆			1	40668	413
Bismuth ()*	Arsenic	Bi			1	40651	1966
Bismuthinite ()*	Stibnite	Bi₂S₃			3	40651,40658,40678	1935
Blödite ()*	Blödite	Na₂Mg(SO₄)₂·4H₂O			1	40644	130
Bornite ()*	None	Cu₅FeS₄			1	40676	5516
Bournonite ()*	Bournonite	CuPbSbS₃			1	40676	1089
Calcite ()*	Calcite	Ca(CO₃)	1000	541	5	40651,40656,40659,40668,40681	27770
Cassiterite ()*	Rutile	SnO₂			2	40658,40675	5171
Cerussite ()*	Aragonite	Pb(CO₃)			1	40676	4979
Chalcocite ()*	None	Cu₂S			3	40643,40676,40681	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			14	40643,40651,40652,40653,40654,40662,40664,40666,40668,40676,40677,40678,40680,40681	27198
Chlorargyrite ()*	Rocksalt	AgCl			1	40668	1382
Chromite ()*	Spinel	Fe²⁺Cr₂O₄			1	40654	3902
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	40651	951
Clausthalite ()*	Rocksalt	PbSe			1	40655	281
Cobaltite ()*	Cobaltite	CoAsS			1	40651	966
Covellite ()*	Covellite	CuS			1	40676	4165
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃			1	40643	802
Cuprite ()*	Not in a structural group	Cu₂O			2	40680,40681	2970
Digenite ()*	Digenite	Cu_1.8S			1	40676	1027
Diopside ()*	Pyroxene	CaMgSi₂O₆			3	40651,40666,40677	4135
Dolomite ()*	None	CaMg(CO₃)₂			3	40643,40649,40668	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			7	40651,40666,40669,40671,40678,40680,40681	8173
Ferro-edenite ()*	Amphibole	NaCa₂Fe²⁺₅(Si₇Al)O₂₂(OH)₂			1	40669	57
Ferroselite ()*	Marcasite	FeSe₂			1	40655	51
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			1	40666	2740
Fluorite ()*	Fluorite	CaF₂			3	40659,40668,40678	9617
Galena ()*	Rocksalt	PbS			7	40643,40651,40664,40668,40676,40678,40681	24243
Glauberite ()*	None	Na₂Ca(SO₄)₂			1	40644	137
Goethite ()*	Diaspore	FeO(OH)			2	40666,40668	7437
Gold ()*	Copper	Au			5	40651,40653,40666,40668,40669	30554
Graphite ()*	None	C			2	40643,40650	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			3	40641,40642,40644	6890
Halite ()*	Rocksalt	NaCl			2	40642,40644	1398
Hanksite ()*	None	KNa₂₂(SO₄)₉(CO₃)₂Cl			1	40644	12
Hematite ()*	Corundum	Fe₂O₃			9	40653,40658,40660,40663,40664,40665,40666,40677,40678	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			2	40651,40666	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			4	40659,40668,40680,40681	5591
Klockmannite ()*	Covellite	Cu_5.2Se₆			1	40655	63
Maghemite ()*	Spinel	(Fe³⁺_0.67 _0.33)Fe³⁺₂O₄			1	40666	229
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			10	40643,40651,40663,40664,40665,40666,40668,40676,40677,40678	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			3	40662,40680,40681	12537
Marcasite ()*	Marcasite	FeS₂			1	40643	5674
Mimetite ()*	Apatite	Pb₅(AsO₄)₃Cl			1	40668	1107
Mirabilite ()*	None	Na₂(SO₄)·10H₂O			2	40642,40644	223
Molybdenite ()*	Molybdenite	MoS₂			6	40658,40661,40662,40669,40675,40678	5800
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O			1	40644	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			14	40643,40644,40649,40653,40659,40660,40662,40664,40666,40668,40674,40678,40680,40681	17380
Natron ()*	None	Na₂(CO₃)·10H₂O			1	40644	51
Nickeline ()*	Nickeline	NiAs			1	40651	633
Opal ()*	Amorphous	SiO₂·nH₂O			1	40668	2994
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			2	40669,40678	2349
Penroseite ()*	Pyrite	(Ni,Co,Cu)Se₂			1	40655	14
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			2	40651,40654	1512
Pyrite ()*	Pyrite	FeS₂			16	40643,40651,40652,40653,40654,40655,40662,40666,40668,40671,40674,40676,40677,40678,40680,40681	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			3	40643,40651,40681	9056
Quartz ()*	Quartz	SiO₂			19	40643,40651,40653,40655,40659,40662,40663,40664,40665,40666,40668,40669,40672,40674,40675,40676,40678,40680,40681	61156
Rutile ()*	Rutile	TiO₂	1000	541	2	40643,40656	5614
Safflorite ()*	Löllingite	CoAs₂			1	40651	317
Scheelite ()*	Scheelite	Ca(WO₄)			5	40658,40669,40672,40674,40675	4894
Scorodite ()*	None	Fe³⁺(AsO₄)·2H₂O			1	40668	1153
Siderite ()*	Calcite	Fe(CO₃)			2	40643,40660	6417
Silver ()*	Copper	Ag			1	40668	5186
Sphalerite ()*	Sphalerite	ZnS			6	40643,40664,40668,40676,40678,40681	21482
Spinel ()*	Spinel	MgAl₂O₄			1	40651	1934
Stibnite ()*	Stibnite	Sb₂S₃			1	40668	3418
Stromeyerite ()*	None	CuAgS			1	40676	332
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			1	40651	3337
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	40676	1803
Tenorite ()*	None	CuO			1	40680	1101
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			2	40676,40678	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			2	40651,40668	4899
Topaz ()*	Topaz	Al₂SiO₄F₂			2	40659,40678	1476
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	40651,40654	2562
Trona ()*	None	Na₃(HCO₃)(CO₃)·2H₂O			1	40644	129
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	40641	890
Uranopilite ()*	None	(UO₂)₆(SO₄)O₂(OH)₆·14H₂O			1	40641	94
Violarite ()*	Spinel	FeNi₂S₄			1	40651	380
Zircon ()*	Zircon	Zr(SiO₄)			1	40659	5251

1 Ages assigned to this locality:

	Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	ree-00251	1000	541	Late Proterozoic											143938	Taohualashan REE Deposit (Taohuashan REE Deposit), Alxa Right Banner (Alashan Youqi), Alxa League (Alashan Prefecture), Inner Mongolia, China	Taohulashan	Orris and Grauch (2002)		USGSOFR02_189

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...