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:
Yanxi Cu Deposit, Tuwu-Yandong Copper Ore Belt, Hami Co. (Kumul Co.; Qumul Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China

Oldest recorded age at locality: 325.2
Youngest recorded age at locality: 320.2

mindat Locality ID: 211963
mindat URL: http://www.mindat.org/loc-211963.html

Tectonic Settings:

Total number of sublocalities beneath "Yanxi Cu Deposit, Tuwu-Yandong Copper Ore Belt, Hami Co. (Kumul Co.; Qumul Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 42°5'0"N
Longitude: 92°28'0"E
Decimal Degree (lat, lon): 42.083333333333,92.466666666667

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe 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.

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: Al C Ca Cu Fe H K Mo Na O S Si 

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mo Na O S Si 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayClinozoisiteCorundumCovelliteEpidoteFeldsparKaoliniteMalachite
MicaMolybdeniteNonePyriteQuartzSpinel

16 IMA Minerals at location:
Albite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)
Covellite  (*)Epidote  (*)Hematite  (*)Kaolinite  (*)Magnetite  (*)
Malachite  (*)Molybdenite  (*)Muscovite  (*)Pyrite  (*)Quartz  (*)
Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)325.2320.208803
Bornite  (*)NoneCu5FeS4325320.405516
Calcite  (*)CalciteCa(CO3)325.2320.2027770
Chalcocite  (*)NoneCu2S325320.405707
Chalcopyrite  (*)ChalcopyriteCuFeS2325320.4027198
Covellite  (*)CovelliteCuS325320.404165
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)325.2320.208173
Hematite  (*)CorundumFe2O3325.2320.2014640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4325.2320.205591
Magnetite  (*)SpinelFe2+Fe3+2O4325.2320.2014899
Malachite  (*)MalachiteCu2(CO3)(OH)2325320.4012537
Molybdenite  (*)MolybdeniteMoS2325.2320.205800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2325.2320.2017380
Pyrite  (*)PyriteFeS2325.2320.2039462
Quartz  (*)QuartzSiO2325.2320.2061156
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)325.2320.201025



2 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Kristen002223325320.4322.7±2.3Re-Osmineralization agemolybdenite  YesMolybdenite Cu, Mo, Au185615Tuwu-Yandong Copper Ore Belt, Hami Co. (Kumul Co.; Qumul Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, ChinaTuwu-Yandong Ore DepositHan et al. (2014)10.1111/rge.12033RG64_136 
Mo-00327325.2320.2322.7±2.5Re-Os molybdenite  YesMolybdeniteMolybdeniteMo142687Tuwu Mine, Tuwu-Yandong Copper Ore Belt, Hami Co. (Kumul Co.; Qumul Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, ChinaTuwuRui et al. (2002)10.1007/s00126-001-0243-6MD37_393 


SampleSource LocalityReference URL


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