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:
Big Bend Mine (Evening Star Mine; Evening Star Claim; Pinkston Mine), Big Bend Mountain, Big Bend, Butte Co., California, USA

Oldest recorded age at locality: 170
Youngest recorded age at locality: 170

mindat Locality ID: 74035
mindat URL: http://www.mindat.org/loc-74035.html

Tectonic Settings: Continental Arc

Total number of sublocalities beneath "Big Bend Mine (Evening Star Mine; Evening Star Claim; Pinkston Mine), Big Bend Mountain, Big Bend, Butte Co., California, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Evening Star Claim

Latitude: 39°41'31"N
Longitude: 121°25'58"W
Decimal Degree (lat, lon): 39.691944444444,-121.43277777778
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: Ag Au Ba C Cu Fe H O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: Ag Ba C Cu Fe H O Pb S Sb Zn 

Structural Groups for minerals in this locality: 
BaryteChalcopyriteCopperCovelliteMalachiteNoneNot in a structural groupPyriteQuartzRocksalt
SphaleriteTetrahedrite

14 IMA Minerals at location:
Azurite  (*)Baryte  (*)Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)
Covellite  (*)Galena  (*)Gold  (*)Malachite  (*)Pyrite  (*)
Quartz  (*)Silver  (*)Sphalerite  (*)Tetrahedrite-(Zn)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)217017005509
Baryte  (*)BaryteBa(SO4)170170011547
Bornite  (*)NoneCu5FeS417017005516
Chalcocite  (*)NoneCu2S17017005707
Chalcopyrite  (*)ChalcopyriteCuFeS2170170027198
Covellite  (*)CovelliteCuS17017004165
Galena  (*)RocksaltPbS170170024243
Gold  (*)CopperAu170170115137030554
Malachite  (*)MalachiteCu2(CO3)(OH)2170170012537
Pyrite  (*)PyriteFeS2170170039462
Quartz  (*)QuartzSiO2170170115137061156
Silver  (*)CopperAg17017005186
Sphalerite  (*)SphaleriteZnS170170115137021482
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1317017005317


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-01022170170Jurassic       S74035Big Bend Mine (Evening Star Mine; Evening Star Claim; Pinkston Mine), Big Bend Mountain, Big Bend, Butte Co., California, USABig BendMoiser et al. (2009) USGSOFR2009_1034 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...