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:
Moffat Co., Colorado, USA

Oldest recorded age at locality: 23.03
Youngest recorded age at locality: 5.3

mindat Locality ID: 27468
mindat URL: http://www.mindat.org/loc-27468.html

Tectonic Settings:

Total number of sublocalities beneath "Moffat Co., Colorado, USA": 185
Total number of bottom-level sublocalities: 164

Number of Child Localities: 38
Child Localities:
Axial Area
Baggs Area
Breeze Mountain Mine
Craig
Cross Mountain Area
Dinosaur National Monument
Douglas Mountain District
Elk Springs Area
Fortification Creek Placers
Fortification Dike
Fourmile District (Timberlake Creek District)
Great Divide Area
Horse Draw
Irish Canyon
Joe L. Knez
Juniper Canyon
Ladora
Lay District (Jackrabbit District)
Maybell District
Piceance Basin
Powder Wash
Quartz Tanks Peak Locality
Queen Anne; Black Sioux Occurrence
Red Creek Quartzite
Skull Creek District (Blue Mountain District)
South Yampa
Talking Mountain Mine
Timberlake
Unknown Stone - Crushed/Broken Occurrence (MRDS - 10016151)
Unknown Stone - Crushed/Broken Occurrence (MRDS - 10016161)
Unknown Stone - Crushed/Broken Occurrence (MRDS - 10016162)
Unknown Stone - Crushed/Broken Occurrence (MRDS - 10017065)
Unknown Stone - Crushed/Broken Occurrence (MRDS - 10091362)
Unknown Uranium Occurrence (MRDS - 10017064)
Vermillion Cliffs
Vermillion Creek
Washakie Basin
Yampa River Area

Latitude: 40°36'10"N
Longitude: 108°10'21"W
Decimal Degree (lat, lon): 40.602777777778,-108.1725

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 As Au B Ba C Ca Ce Cr Cu F Fe H K Mg Mo Na Nb O P Pb S Se Si Ta Th Ti U V Y Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AdeliteAllaniteAllophaneAluniteAmorphousAnalcimeApatiteAutuniteBaryteBlödite
BrochantiteCalciteClayColumbiteCopperCorrensiteCorundumEpidoteFeldsparFluorite
FritzscheiteGarnetGypsumIraniteKaoliniteKieseriteMalachiteMeta-autuniteMicaMolybdenite
MonaziteNoneNot in a structural groupPhosphuranylitePyriteQuartzRocksaltRutileSchoepiteSmectite-vermiculite
SpinelStarkeyiteSulphurTapioliteTitaniteTourmalineVolborthiteZircon

79 IMA Minerals at location:
Albite  (*)Allanite-(Ce)  (*)Analcime  (*)Anatase  (*)Andradite  (*)
Aurichalcite  (*)Autunite  (*)Azurite  (*)Baryte  (*)Becquerelite  (*)
Blödite  (*)Bornite  (*)Brochantite  (*)Burkeite  (*)Calcite  (*)
Carnotite  (*)Chalcocite  (*)Chalcomenite  (*)Chrysocolla  (*)Coffinite  (*)
Conichalcite  (*)Cornubite  (*)Corrensite  (*)Corundum  (*)Cuprite  (*)
Dolomite  (*)Euxenite-(Y)  (*)Fluorapatite  (*)Fluorite  (*)Galena  (*)
Gold  (*)Gypsum  (*)Hematite  (*)Hemimorphite  (*)Hydrozincite  (*)
Ilmenite  (*)Ilsemannite  (*)Iranite  (*)Jarosite  (*)Jordisite  (*)
Kaolinite  (*)Liebigite  (*)Magnetite  (*)Malachite  (*)Meta-autunite  (*)
Metatorbernite  (*)Metatyuyamunite  (*)Molybdenite  (*)Molybdomenite  (*)Monazite-(Ce)  (*)
Montmorillonite  (*)Muscovite  (*)Opal  (*)Orthoclase  (*)Phosphuranylite  (*)
Pyrite  (*)Quartz  (*)Rutherfordine  (*)Rutile  (*)Sabugalite  (*)
Schoepite  (*)Schorl  (*)Schröckingerite  (*)Selenium  (*)Smithsonite  (*)
Starkeyite  (*)Szomolnokite  (*)Tangeite  (*)Tapiolite-(Fe)  (*)Tenorite  (*)
Titanite  (*)Torbernite  (*)Tyuyamunite  (*)Uraninite  (*)Uranophane-α  (*)
Volborthite  (*)Xenotime-(Y)  (*)Zeunerite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)11928878803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1192910706
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O2192745,1927721627
Anatase  (*)Not in a structural groupTiO22192822,1929102162
Andradite  (*)GarnetCa3Fe3+2(SiO4)32192822,1929101534
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)61192756919
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O23.035.33192866,192867,1928951272
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)22192893,1928955509
Baryte  (*)BaryteBa(SO4)119288711547
Becquerelite  (*)NoneCa(UO2)6O4(OH)6·8H2O23.035.32192866,19286792
Blödite  (*)BlöditeNa2Mg(SO4)2·4H2O1192888130
Bornite  (*)NoneCu5FeS411928955516
Brochantite  (*)BrochantiteCu4(SO4)(OH)611928951633
Burkeite  (*)NoneNa4(SO4)(CO3)119288747
Calcite  (*)CalciteCa(CO3)23.035.35192756,192825,192863,192868,19290727770
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O23.035.37192843,192866,192867,192868,192895,192897,1928991184
Chalcocite  (*)NoneCu2S2192761,1927625707
Chalcomenite  (*)NoneCu(Se4+O3)·2H2O119289540
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O11929073531
Coffinite  (*)ZirconU(SiO4)·nH2O23.035.35192854,192866,192867,192871,192885566
Conichalcite  (*)AdeliteCaCu(AsO4)(OH)1192895363
Cornubite  (*)NoneCu5(AsO4)2(OH)41192895109
Corrensite  (*)Corrensite Clay(Ca,Na,K)1-x(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O119282849
Corundum  (*)CorundumAl2O32192822,1929101797
Cuprite  (*)Not in a structural groupCu2O11929072970
Dolomite  (*)NoneCaMg(CO3)211927569895
Euxenite-(Y)  (*)ColumbiteY(NbTi)O62192773,192780414
Fluorapatite  (*)ApatiteCa5(PO4)3F23.035.32192864,1928662740
Fluorite  (*)FluoriteCaF211929079617
Galena  (*)RocksaltPbS119275424243
Gold  (*)CopperAu23192773,192774,192777,192778,192779,192780,192781,192782,192783,192785,192786,192787,192788,192789,192790,192791,192822,192836,192839,192842,192910,192924,19292530554
Gypsum  (*)GypsumCa(SO4)·2H2O23.035.37192825,192863,192868,192877,192888,192889,1929076890
Hematite  (*)CorundumFe2O34192756,192757,192811,19289114640
Hemimorphite  (*)Not in a structural groupZn4(Si2O7)(OH)2·H2O11927561689
Hydrozincite  (*)NoneZn5(CO3)2(OH)611927561066
Ilmenite  (*)CorundumFe2+Ti4+O33192773,192780,1928225433
Ilsemannite  (*)NoneMo3O8·nH2O (?)23.035.31192868123
Iranite  (*)IraniteCuPb10(CrO4)6(SiO4)2(OH)2119289511
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)623.035.32192863,1928682228
Jordisite  (*)AmorphousMoS223.035.31192868102
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)42192777,1928875591
Liebigite  (*)NoneCa2(UO2)(CO3)3·11H2O23.035.3119286678
Magnetite  (*)SpinelFe2+Fe3+2O42192773,19278014899
Malachite  (*)MalachiteCu2(CO3)(OH)23192751,192895,19290712537
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O23.035.34192760,192843,192866,192867388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O23.035.31192866443
Metatyuyamunite  (*)FritzscheiteCa(UO2)2(VO4)2·3H2O23.035.34192863,192866,192867,192895129
Molybdenite  (*)MolybdeniteMoS223.035.311928775800
Molybdomenite  (*)NonePbSe4+O3119289515
Monazite-(Ce)  (*)MonaziteCe(PO4)1192910945
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O23.035.32192863,1928871508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2119288717380
Opal  (*)AmorphousSiO2·nH2O23.035.34192755,192824,192866,1928672994
Orthoclase  (*)FeldsparK(AlSi3O8)11928872349
Phosphuranylite  (*)PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4·8H2O23.035.31192867182
Pyrite  (*)PyriteFeS223.035.34192863,192866,192868,19288839462
Quartz  (*)QuartzSiO223.035.311192748,192749,192750,192752,192755,192756,192780,192863,192868,192890,19290761156
Rutherfordine  (*)None(UO2)(CO3)23.035.3119284358
Rutile  (*)RutileTiO24192773,192780,192822,1929105614
Sabugalite  (*)NoneHAl(UO2)4(PO4)4·16H2O23.035.3119284387
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)623.035.32192866,19286794
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2192822,1929102705
Schröckingerite  (*)NoneNaCa3(UO2)(SO4)(CO3)3F·10H2O23.035.32192843,192866128
Selenium  (*)SulphurSe23.035.31192867143
Smithsonite  (*)CalciteZn(CO3)11927562473
Starkeyite  (*)StarkeyiteMg(SO4)·4H2O119288879
Szomolnokite  (*)KieseriteFe(SO4)·H2O1192888139
Tangeite  (*)AdeliteCaCu(VO4)(OH)119289560
Tapiolite-(Fe)  (*)TapioliteFe2+Ta2O6119282288
Tenorite  (*)NoneCuO11929071101
Titanite  (*)TitaniteCaTi(SiO4)O2192822,1929104899
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O11927601059
Tyuyamunite  (*)NoneCa(UO2)2(VO4)2·5-8H2O23.035.329192794,192795,192796,192797,192798,192799,192800,192801,192803,192805,192807,192808,192809,192810,192811,192812,192813,192814,192815,192816,192817,192818,192819,192843,192866,192867,192895,192897,192899628
Uraninite  (*)FluoriteUO223.035.36192854,192866,192867,192870,192871,1928952718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O23.035.310192742,192760,192843,192847,192848,192866,192867,192868,192869,192877890
Volborthite  (*)VolborthiteCu3V2O7(OH)2·2H2O1192895155
Xenotime-(Y)  (*)ZirconY(PO4)3192773,192822,192910939
Zeunerite  (*)AutuniteCu(UO2)2(AsO4)2·12H2O1192760185
Zircon  (*)ZirconZr(SiO4)3192780,192822,1929105251



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Giersdorf_00000809Economic ore deposits of the Maybell area are found in the uppermost sandstone unit of the Browns Park Formation. The uranium ore deposits are described as tabular, amoeba-shaped lenses of discontinuous bodies within limited stratigraphic intervals.


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
Giersdorf_0000080923.035.323.03-5.3 The Browns Park formation is dated to be Miocene in age and is applied to the uranium mineralization within it.    Autunite, Becquerelite, Carnotite, Coffinite, Liebigite, Schoepite, Torbernite, Tyuyamunite, Uraninite, ZeuneriteU133365Maybell District, Moffat Co., Colorado, USAMaybell Mining DistrictChenoweth (1986) NINCG_289In the Maybell area, the Browns Park formation unconformably overlies truncated rocks ranging In age from Precambrian to Eocene, on the north flank of the Axial Basin anticline. The Browns Park formation is dated to be Miocene in age.


SampleSource LocalityReference URL


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