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:
Creswell Mine, Bergen Park Area, Jefferson Co., Colorado, USA


mindat Locality ID: 6219
mindat URL: http://www.mindat.org/loc-6219.html

Tectonic Settings:

Total number of sublocalities beneath "Creswell Mine, Bergen Park Area, Jefferson Co., Colorado, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 39°41'43"N
Longitude: 105°22'2"W
Decimal Degree (lat, lon): 39.695277777778,-105.36722222222
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 Be C Ca Cu F Fe H Mg Mn Na O P Pb S Si Ti Zn 

Elements from minerals reported directly at this locality: Al Be C Ca Cu F Fe H Mg Mn Na O P Pb S Si Ti Zn 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleApatiteBerylCalciteChalcopyriteEpidoteHumiteNoneNot in a structural group
PrehnitePyroxeneQuartzRocksaltRutileSphaleriteSpinelTitaniteTopaz

25 IMA Minerals at location:
Actinolite  (*)Allophane  (*)Anthophyllite  (*)Beryl  (*)Calcite  (*)
Chalcopyrite  (*)Chondrodite  (*)Clinohumite  (*)Diopside  (*)Edenite  (*)
Enstatite  (*)Fluorapatite  (*)Gahnite  (*)Galena  (*)Humite  (*)
Piemontite  (*)Prehnite  (*)Quartz  (*)Rutile  (*)Sillimanite  (*)
Sphalerite  (*)Spinel  (*)Titanite  (*)Topaz  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)203419
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O0470
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)20718
Beryl  (*)BerylBe3Al2Si6O1804286
Calcite  (*)CalciteCa(CO3)027770
Chalcopyrite  (*)ChalcopyriteCuFeS2027198
Chondrodite  (*)HumiteMg5(SiO4)2F20285
Clinohumite  (*)HumiteMg9(SiO4)4F20236
Diopside  (*)PyroxeneCaMgSi2O604135
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)20160
Enstatite  (*)PyroxeneMg2Si2O60944
Fluorapatite  (*)ApatiteCa5(PO4)3F02740
Gahnite  (*)SpinelZnAl2O40445
Galena  (*)RocksaltPbS024243
Humite  (*)HumiteMg7(SiO4)3F2080
Piemontite  (*)EpidoteCa2(Al2Mn3+)[Si2O7][SiO4]O(OH)0260
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)201898
Quartz  (*)QuartzSiO2061156
Rutile  (*)RutileTiO205614
Sillimanite  (*)Not in a structural groupAl2SiO501516
Sphalerite  (*)SphaleriteZnS021482
Spinel  (*)SpinelMgAl2O401934
Titanite  (*)TitaniteCaTi(SiO4)O04899
Topaz  (*)TopazAl2SiO4F201476
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)202562


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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