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:
Chenjiamiao Fe-Cu Deposit, Zhangjiachuan Co., Tianshui, Gansu, China

Oldest recorded age at locality: 750
Youngest recorded age at locality: 750

mindat Locality ID: 145027
mindat URL: http://www.mindat.org/loc-145027.html

Tectonic Settings: Oceanic Arc (Subduction)

Total number of sublocalities beneath "Chenjiamiao Fe-Cu Deposit, Zhangjiachuan Co., Tianshui, Gansu, China": 0
Total number of bottom-level sublocalities: 0

Latitude: 34°54'0"N
Longitude: 106°29'0"E
Decimal Degree (lat, lon): 34.9,106.48333333333
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 Mg O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al C Ca Cu Fe H K Mg O Pb S Si Zn 

Structural Groups for minerals in this locality: 
AmphiboleCalciteChalcopyriteClayCorundumMicaNickelineNonePyriteQuartz
RocksaltSphaleriteSpinel

14 IMA Minerals at location:
Anthophyllite  (*)Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Galena  (*)
Hematite  (*)Magnetite  (*)Muscovite  (*)Phlogopite  (*)Pyrite  (*)
Pyrrhotite  (*)Quartz  (*)Sphalerite  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)27507500718
Calcite  (*)CalciteCa(CO3)750750027770
Chalcocite  (*)NoneCu2S75075005707
Chalcopyrite  (*)ChalcopyriteCuFeS2750750027198
Galena  (*)RocksaltPbS750750024243
Hematite  (*)CorundumFe2O3750750014640
Magnetite  (*)SpinelFe2+Fe3+2O4750750014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2750750017380
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)275075002273
Pyrite  (*)PyriteFeS2750750039462
Pyrrhotite  (*)NickelineFe7S875075009056
Quartz  (*)QuartzSiO2750750061156
Sphalerite  (*)SphaleriteZnS750750021482
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)275075002562


1 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
vms-00389750750Neoproterozoic (Early Paleozoic?)       S145027Chenjiamiao Fe-Cu Deposit, Zhangjiachuan Co., Tianshui, Gansu, ChinaChenjiamiaoMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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