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:
Gyêgu Autonomous Prefecture (Yushu Autonomous Prefecture), Qinghai, China

Oldest recorded age at locality: 42.3
Youngest recorded age at locality: 41.5

mindat Locality ID: 145494
mindat URL: http://www.mindat.org/loc-145494.html

Tectonic Settings:

Total number of sublocalities beneath "Gyêgu Autonomous Prefecture (Yushu Autonomous Prefecture), Qinghai, China": 35
Total number of bottom-level sublocalities: 26

Number of Child Localities: 6
Child Localities:
Chindu Co. (Chengduo Co.)
Gyêgu Co. (Yushu Co.)
Nangqên Co. (Nanqian Co.)
Qumarleb Co. (Qumalai Co.)
Zadoi Co. (Zaduo Co.)
Zhidoi Co. (Zhiduo Co.)

Latitude: 33°43'44"N
Longitude: 95°58'48"E
Decimal Degree (lat, lon): 33.728888888889,95.98

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	Amphibole	Aragonite	Arsenic	Arsenopyrite	Baryte	Calcite	Chalcopyrite	Clay	Clinozoisite
Copper	Corundum	Covellite	Diaspore	Digenite	Epidote	Feldspar	Fluorite	Gypsum	Kaolinite
Lillianite	Malachite	Marcasite	Mica	Minium	Molybdenite	Nickeline	None	Not in a structural group	Orpiment
Pyrite	Pyroxene	Quartz	Rocksalt	Rutile	Sphalerite	Spinel	Stannite	Stibnite	Tetradymite
Tetrahedrite	Titanite

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 Cu F Fe H K Mg Mo Na O Pb S Sb Si Sn Te Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Acanthite Amphibole Aragonite Arsenic Arsenopyrite Baryte Calcite Chalcopyrite Clay Clinozoisite
Copper Corundum Covellite Diaspore Digenite Epidote Feldspar Fluorite Gypsum Kaolinite
Lillianite Malachite Marcasite Mica Minium Molybdenite Nickeline None Not in a structural group Orpiment
Pyrite Pyroxene Quartz Rocksalt Rutile Sphalerite Spinel Stannite Stibnite Tetradymite
Tetrahedrite Titanite

61 IMA Minerals at location:

Acanthite ()*	Actinolite ()*	Albite ()*	Ankerite ()*	Arsenopyrite ()*
Azurite ()*	Baryte ()*	Bismuth ()*	Bornite ()*	Boulangerite ()*
Calcite ()*	Cerussite ()*	Chalcocite ()*	Chalcopyrite ()*	Covellite ()*
Dickite ()*	Digenite ()*	Diopside ()*	Dolomite ()*	Epidote ()*
Fluorite ()*	Galena ()*	Goethite ()*	Gold ()*	Graphite ()*
Gypsum ()*	Halite ()*	Hematite ()*	Ilmenite ()*	Ingodite ()*
Kaolinite ()*	Lillianite ()*	Magnesio-hornblende ()*	Magnetite ()*	Malachite ()*
Marcasite ()*	Minium ()*	Molybdenite ()*	Molybdite ()*	Muscovite ()*
Orpiment ()*	Orthoclase ()*	Phlogopite ()*	Pyrite ()*	Pyrrhotite ()*
Quartz ()*	Realgar ()*	Rutile ()*	Siderite ()*	Silver ()*
Smithsonite ()*	Sphalerite ()*	Stannite ()*	Stibnite ()*	Stromeyerite ()*
Tennantite-(Fe) ()*	Tetradymite ()*	Tetraferriphlogopite ()*	Tetrahedrite-(Zn) ()*	Titanite ()*
Tremolite ()*

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	42276,42285	2793
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			2	42278,42280	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)			3	42257,42278,42280	8803
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂			1	42257	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS			7	42267,42268,42269,42270,42271,42278,42285	9052
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			7	42255,42276,42278,42280,42283,42284,42285	5509
Baryte ()*	Baryte	Ba(SO₄)			5	42255,42257,42275,42277,42280	11547
Bismuth ()*	Arsenic	Bi			1	42256	1966
Bornite ()*	None	Cu₅FeS₄			5	42257,42276,42278,42283,42284	5516
Boulangerite ()*	None	Pb₅Sb₄S₁₁			1	42278	843
Calcite ()*	Calcite	Ca(CO₃)			12	42255,42257,42267,42268,42269,42275,42276,42277,42280,42283,42284,42285	27770
Cerussite ()*	Aragonite	Pb(CO₃)			1	42275	4979
Chalcocite ()*	None	Cu₂S			6	42255,42276,42278,42280,42283,42284	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	42.3	41.5	13	42255,42256,42257,42263,42267,42268,42275,42276,42277,42278,42280,42281,42283	27198
Covellite ()*	Covellite	CuS			4	42255,42283,42284,42285	4165
Dickite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			2	42275,42277	651
Digenite ()*	Digenite	Cu_1.8S			2	42276,42283	1027
Diopside ()*	Pyroxene	CaMgSi₂O₆			1	42280	4135
Dolomite ()*	None	CaMg(CO₃)₂			4	42257,42267,42275,42277	9895
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)			3	42255,42257,42278	8173
Fluorite ()*	Fluorite	CaF₂			2	42275,42277	9617
Galena ()*	Rocksalt	PbS			15	42255,42257,42259,42261,42262,42264,42267,42272,42275,42276,42277,42278,42280,42281,42285	24243
Goethite ()*	Diaspore	FeO(OH)			3	42257,42278,42283	7437
Gold ()*	Copper	Au			7	42253,42267,42268,42269,42270,42271,42281	30554
Graphite ()*	None	C			1	42283	2812
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O			1	42255	6890
Halite ()*	Rocksalt	NaCl			1	42286	1398
Hematite ()*	Corundum	Fe₂O₃			3	42257,42283,42284	14640
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			5	42257,42268,42278,42283,42284	5433
Ingodite ()*	Tetradymite	Bi₂TeS			1	42256	30
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			6	42267,42268,42271,42272,42278,42281	5591
Lillianite ()*	Lillianite	Pb_3-2xAg_xBi_2+xS₆			1	42256	128
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂			1	42278	238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			4	42257,42278,42283,42284	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			9	42255,42267,42268,42276,42278,42280,42283,42284,42285	12537
Marcasite ()*	Marcasite	FeS₂			1	42275	5674
Minium ()*	Minium	Pb²⁺₂Pb⁴⁺O₄			1	42264	247
Molybdenite ()*	Molybdenite	MoS₂			2	42256,42278	5800
Molybdite ()*	None	MoO₃			1	42278	140
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂			16	42255,42257,42267,42268,42269,42270,42272,42275,42276,42277,42278,42280,42281,42283,42284,42285	17380
Orpiment ()*	Orpiment	As₂S₃			2	42267,42268	511
Orthoclase ()*	Feldspar	K(AlSi₃O₈)			1	42278	2349
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	42278	2273
Pyrite ()*	Pyrite	FeS₂	42.3	41.5	19	42255,42256,42257,42262,42263,42267,42268,42269,42270,42271,42272,42275,42276,42277,42278,42280,42281,42283,42284	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈			3	42267,42271,42278	9056
Quartz ()*	Quartz	SiO₂			20	42255,42257,42261,42262,42264,42267,42268,42269,42270,42271,42272,42275,42276,42277,42278,42280,42281,42283,42284,42285	61156
Realgar ()*	None	AsS			2	42267,42268	712
Rutile ()*	Rutile	TiO₂			1	42278	5614
Siderite ()*	Calcite	Fe(CO₃)			2	42257,42267	6417
Silver ()*	Copper	Ag			1	42257	5186
Smithsonite ()*	Calcite	Zn(CO₃)			1	42275	2473
Sphalerite ()*	Sphalerite	ZnS			11	42255,42257,42259,42267,42275,42276,42277,42278,42280,42281,42285	21482
Stannite ()*	Stannite Sphalerite	Cu₂FeSnS₄			1	42278	668
Stibnite ()*	Stibnite	Sb₂S₃			7	42267,42268,42269,42270,42271,42272,42281	3418
Stromeyerite ()*	None	CuAgS			1	42278	332
Tennantite-(Fe) ()*	Tetrahedrite	Cu₆(Cu₄Fe₂)As₄S₁₃			1	42275	1803
Tetradymite ()*	Tetradymite	Bi₂Te₂S			1	42256	510
Tetraferriphlogopite ()*	Mica	KMg₃(Si₃Fe³⁺)O₁₀(OH)₂			1	42278	27
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃			4	42255,42257,42278,42280	5317
Titanite ()*	Titanite	CaTi(SiO₄)O			1	42278	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂			2	42278,42280	2562

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
	PorphCu-00176	42.3	41.5	42.3–41.5									Chalcopyrite, Pyrite	Cu	142198	Ridanguo Cu Deposit, Mozhong (Maozhuang), Nangqên Co. (Nanqian Co.), Gyêgu Autonomous Prefecture (Yushu Autonomous Prefecture), Qinghai, China	Ridanguo	Singer et al. (2008)		USGSOFR2008_1155

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...