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:
Morrison Area, Jefferson Co., Colorado, USA


mindat Locality ID: 158984
mindat URL: http://www.mindat.org/loc-158984.html

Tectonic Settings:

Total number of sublocalities beneath "Morrison Area, Jefferson Co., Colorado, USA": 8
Total number of bottom-level sublocalities: 7

Number of Child Localities: 7
Child Localities:
Dinosaur Ridge
Jefferson County Iron Mines
Morrison Formation
Morrison Quadrangle
Morrison Road Roadcut
Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10016950)
Unnamed Fe Mine (MRDS - 10013740)

Latitude: 39°38'38"N
Longitude: 105°10'32"W
Decimal Degree (lat, lon): 39.643888888889,-105.17555555556

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 F Fe H K Mg Na O P S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBerylCalciteClayCorundumDiasporeFeldsparKaoliniteMica
NoneNot in a structural groupPyritePyroxeneQuartzSmectite-vermiculiteSpinelStaurolite

20 IMA Minerals at location:
Alunogen  (*)Ankerite  (*)Augite  (*)Calcite  (*)Cordierite  (*)
Dolomite  (*)Fluorapatite  (*)Gedrite  (*)Goethite  (*)Hematite  (*)
Kaolinite  (*)Magnetite  (*)Montmorillonite  (*)Muscovite  (*)Pyrite  (*)
Quartz  (*)Sanidine  (*)Siderite  (*)Sillimanite  (*)Staurolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunogen  (*)Not in a structural groupAl2(SO4)3(H2O)12·5H2O1190769272
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)211907663092
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O611907682060
Calcite  (*)CalciteCa(CO3)119076627770
Cordierite  (*)BerylMg2Al4Si5O1811907671008
Dolomite  (*)NoneCaMg(CO3)211907669895
Fluorapatite  (*)ApatiteCa5(PO4)3F11907642740
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)21190767178
Goethite  (*)DiasporeFeO(OH)11907667437
Hematite  (*)CorundumFe2O3119077114640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411907665591
Magnetite  (*)SpinelFe2+Fe3+2O4119076514899
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O11907661508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2119076617380
Pyrite  (*)PyriteFeS2119076639462
Quartz  (*)QuartzSiO2119076661156
Sanidine  (*)FeldsparK(AlSi3O8)1190768598
Siderite  (*)CalciteFe(CO3)2190766,1907716417
Sillimanite  (*)Not in a structural groupAl2SiO511907671516
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1190767978



No ages have been assigned to this locality yet.

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