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:
Aspen, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA

Oldest recorded age at locality: 52
Youngest recorded age at locality: 52

mindat Locality ID: 3588
mindat URL: http://www.mindat.org/loc-3588.html

Tectonic Settings:

Total number of sublocalities beneath "Aspen, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Mollie Gibson Mine (Molly Gibson Mine)
Smuggler Mine (I. X. L.; Leadville; Trueworthy; Glendale; Arkansaw; Ground Hog; Accident; Williams Ranch; General Jackson; Claims: Smuggler; Emma; Smuggler - Durant; Silver Brick)

Latitude: 39°11'32"N
Longitude: 106°48'26"W
Decimal Degree (lat, lon): 39.192222222222,-106.80722222222

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 As Ba C Ca Cu Fe H Mg O Pb S Sb Si U Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAragoniteBaryteCalciteCopperEpsomiteFluoriteMalachiteNonePhenakite
PolybasiteQuartzRocksaltSphaleriteTetrahedriteWurtzite

20 IMA Minerals at location:
Acanthite  (*)Baryte  (*)Cerussite  (*)Dolomite  (*)Galena  (*)
Goslarite  (*)Malachite  (*)Pearceite  (*)Polybasite  (*)Quartz  (*)
Siderite  (*)Silver  (*)Smithsonite  (*)Sphalerite  (*)Stromeyerite  (*)
Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Uraninite  (*)Willemite  (*)Wurtzite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S525211950142793
Baryte  (*)BaryteBa(SO4)52522195014,19501511547
Cerussite  (*)AragonitePb(CO3)525211950154979
Dolomite  (*)NoneCaMg(CO3)252522195014,1950159895
Galena  (*)RocksaltPbS52522195014,19501524243
Goslarite  (*)EpsomiteZn(SO4)·7H2O52521195015188
Malachite  (*)MalachiteCu2(CO3)(OH)25252119501512537
Pearceite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]52521195014249
Polybasite  (*)Polybasite[Ag9CuS4][(Ag,Cu)6(Sb,As)2S7]52522195014,195015716
Quartz  (*)QuartzSiO25252119501461156
Siderite  (*)CalciteFe(CO3)525211950156417
Silver  (*)CopperAg52522195014,1950155186
Smithsonite  (*)CalciteZn(CO3)525211950152473
Sphalerite  (*)SphaleriteZnS52522195014,19501521482
Stromeyerite  (*)NoneCuAgS52521195015332
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1352522195014,1950151803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13525211950155317
Uraninite  (*)FluoriteUO2525211950152718
Willemite  (*)PhenakiteZn2SiO452521195015303
Wurtzite  (*)WurtziteZnS52521195015372



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
sedznpb-00444525252     Yes  30152Aspen District (Roaring Fork District), Pitkin Co., Colorado, USAAspenSinger et al. (2009) USGSOFR2009-1252 


SampleSource LocalityReference URL


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