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:
Polk Co., Arkansas, USA


mindat Locality ID: 23788
mindat URL: http://www.mindat.org/loc-23788.html

Tectonic Settings:

Total number of sublocalities beneath "Polk Co., Arkansas, USA": 38
Total number of bottom-level sublocalities: 31

Number of Child Localities: 12
Child Localities:
Bee Mountain Prospect
Big Fork
Boar Tusk Mountain Prospect
Buckeye Mountain (Blaylock Mountain)
Cossatot River Prospect
Gilham
Mena
Ouachita Mts Manganese District
Shady
Three Oaks Gap
Two Mile Creek Prospect
Viles Creek Prospect

Latitude: 34°24'10"N
Longitude: 94°1'47"W
Decimal Degree (lat, lon): 34.402777777778,-94.029722222222
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 Li Mg Mn Na O P S Si Sn 

Elements from minerals reported directly at this locality: Al Cu Fe H Li Mn O S Sn 

Structural Groups for minerals in this locality: 
AmorphousBaryteBerauniteCalciteClayCoronaditeCorundumDiasporeDufréniteKaolinite
LaueiteLipscombiteNonePhosphosideriteQuartzRockbridgeiteRutileSphaleriteStanniteTurquoise
Wavellite

25 IMA Minerals at location:
Baryte  (*)Cacoxenite  (*)Cryptomelane  (*)Dufrénite  (*)Eleonorite  (*)
Goethite  (*)Hematite  (*)Kaolinite  (*)Kidwellite  (*)Lipscombite  (*)
Lithiophorite  (*)Magnesite  (*)Manganite  (*)Opal  (*)Phosphosiderite  (*)
Planerite  (*)Pyrolusite  (*)Quartz  (*)Rockbridgeite  (*)Sigloite  (*)
Stannite  (*)Strengite  (*)Turquoise  (*)Variscite  (*)Wavellite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)5150163,150166,150168,150199,15020011547
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O8150165,150167,150170,150172,150194,150195,150196,150198280
Cryptomelane  (*)CoronaditeK(Mn4+7Mn3+)O1616150167,150178,150179,150180,150182,150183,150184,150185,150186,150187,150188,150189,150190,150191,150192,150194599
Dufrénite  (*)DufréniteCa0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O3150167,150194,150198139
Eleonorite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O5150167,150194,150195,150196,15019851
Goethite  (*)DiasporeFeO(OH)5150167,150172,150194,150196,1501987437
Hematite  (*)CorundumFe2O32150167,15019414640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411501725591
Kidwellite  (*)NoneNaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33)4150167,150194,150196,15019853
Lipscombite  (*)LipscombiteFe2+Fe3+2(PO4)2(OH)2115016747
Lithiophorite  (*)None(Al,Li)(Mn4+,Mn3+)O2(OH)20210
Magnesite  (*)CalciteMg(CO3)11501931487
Manganite  (*)RutileMn3+O(OH)14150178,150179,150180,150182,150183,150184,150185,150186,150187,150188,150189,150190,150191,150192770
Opal  (*)AmorphousSiO2·nH2O2150194,1501962994
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O1150194182
Planerite  (*)TurquoiseAl6(PO4)2(PO3OH)2(OH)8·4H2O5150167,150170,150172,150194,15019643
Pyrolusite  (*)RutileMnO215150170,150178,150179,150180,150182,150183,150184,150185,150186,150187,150188,150189,150190,150191,1501923106
Quartz  (*)QuartzSiO25150165,150174,150175,150176,15019461156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)56150167,150193,150194,150195,150196,150198206
Sigloite  (*)LaueiteFe3+Al2(PO4)2(OH)3·7H2O11501944
Stannite  (*)Stannite SphaleriteCu2FeSnS40668
Strengite  (*)NoneFe3+(PO4)·2H2O5150167,150194,150195,150196,150198263
Turquoise  (*)TurquoiseCuAl6(PO4)4(OH)8·4H2O2150172,150194484
Variscite  (*)NoneAl(PO4)·2H2O1150165301
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O2150165,150172374


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL
R060464Coon Creek Mine (York Mine), Shady, Polk Co., Arkansas, USAhttps://rruff.info/R060464
R060324Coon Creek Mine (York Mine), Shady, Polk Co., Arkansas, USAhttps://rruff.info/R060324

All locality data graciously provided by mindat.org

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