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:
Platte Co., Wyoming, USA


mindat Locality ID: 22511
mindat URL: http://www.mindat.org/loc-22511.html

Tectonic Settings:

Total number of sublocalities beneath "Platte Co., Wyoming, USA": 73
Total number of bottom-level sublocalities: 68

Number of Child Localities: 61
Child Localities:
Adams Hartville Agate Mine
Big Mac Claim
Black Powder
Cassa Area Occurrence
Collins & Groves Deposit
Collins Deposit
Coony Hill Prospect
Dixie Queen Claim
Emerald Group
Fish Creek District
Friday No. 2 Prospect
George Creek Prospect
Goshen Hole
Green Hope Mine
Hartville Mining District
Hartville Onyx Mine
Ingleside Quarries
JBC Deposit
L. T. Sisson Dolomite Deposit
Lucky Gus Prospect
May No. 1 Quarry
McDougal Deposit
Palmer Canyon Deposit
Pete Kiewit & Sons
Plaga - Judd Deposit
Roff Vermiculite Deposit
Romsa Dolomite Deposit
Texan Lode Prospect
Unidentified Prospect (MRDS - 10096586)
Unknown Calcium (MRDS - 10181747)
Unknown Calcium Prospect (MRDS - 10133025)
Unknown Calcium Prospect (MRDS - 10133480)
Unknown Calcium Prospect (MRDS - 10254582)
Unknown Dolomite Prospect (MRDS - 10184337)
Unknown Dolomite Prospect (MRDS - 10206045)
Unknown Dolomite Prospect (MRDS - 10230730)
Unknown Dolomite Prospect (MRDS - 10254812)
Unknown Dolomite Prospect (MRDS - 10278907)
Unknown Dolomite Prospect (MRDS - 10303268)
Unknown Gold Occurrence (MRDS - 10181914)
Unknown Graphite Prospect (MRDS - 10133361)
Unknown Graphite Prospect (MRDS - 10181580)
Unknown Graphite Prospect (MRDS - 10279063)
Unknown Silica Occurrence (MRDS - 10132952)
Unknown Thorium Prospect (MRDS - 10278926)
Unknown Uranium Occurrence (MRDS - 10018726)
Unknown Uranium Occurrence (MRDS - 10018727)
Unknown Uranium Occurrence (MRDS - 10018728)
Unknown Uranium Occurrence (MRDS - 10019002)
Unknown Uranium Occurrence (MRDS - 10159342)
Unknown Uranium Occurrence (MRDS - 10206044)
Unknown Vermiculite (MRDS - 10157104)
Unknown Vermiculite (MRDS - 10205930)
Unknown Vermiculite Occurrence (MRDS - 10208293)
Unknown Vermiculite Occurrence (MRDS - 10278874)
Unknown Vermiculite Prospect (MRDS - 10157210)
Unknown Vermiculite Prospect (MRDS - 10254226)
Unnamed Iron Occurrence (MRDS - 10303282)
Vaughn - Hyslop Deposit
West Cooney Hills
Whippoorwill Claim

Latitude: 42°11'0"N
Longitude: 105°2'48"W
Decimal Degree (lat, lon): 42.183333333333,-105.04666666667

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 Ba C Ca Cu Fe H K Mg O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneBaryteCalciteClayCopperCorundumDiasporeGypsumKaoliniteMalachite
MicaNoneNot in a structural groupQuartzSmectite-vermiculiteSpinel

19 IMA Minerals at location:
Azurite  (*)Baryte  (*)Calcite  (*)Chalcocite  (*)Chrysocolla  (*)
Copper  (*)Corundum  (*)Dolomite  (*)Goethite  (*)Gypsum  (*)
Hematite  (*)Kaolinite  (*)Kyanite  (*)Magnetite  (*)Malachite  (*)
Muscovite  (*)Quartz  (*)Siderite  (*)Vermiculite  (*)
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)24293630,293631,293633,2936405509
Baryte  (*)BaryteBa(SO4)2293631,29364011547
Calcite  (*)CalciteCa(CO3)7293629,293630,293631,293633,293634,293637,29364027770
Chalcocite  (*)NoneCu2S5293630,293631,293633,293634,2936405707
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O5293630,293631,293633,293634,2936403531
Copper  (*)CopperCu2293631,2936403846
Corundum  (*)CorundumAl2O312936511797
Dolomite  (*)NoneCaMg(CO3)22293637,2936409895
Goethite  (*)DiasporeFeO(OH)12936407437
Gypsum  (*)GypsumCa(SO4)·2H2O2293631,2936406890
Hematite  (*)CorundumFe2O36293631,293633,293637,293638,293640,29365414640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)412936305591
Kyanite  (*)Not in a structural groupAl2OSiO42293651,2936851507
Magnetite  (*)SpinelFe2+Fe3+2O4129364014899
Malachite  (*)MalachiteCu2(CO3)(OH)26293630,293631,293633,293634,293638,29364012537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2129363017380
Quartz  (*)QuartzSiO27293614,293630,293631,293633,293635,293640,29364161156
Siderite  (*)CalciteFe(CO3)2293631,2936406417
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1293651652



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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