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:
Plomosa Mts, La Paz Co., Arizona, USA

Oldest recorded age at locality: 19.88
Youngest recorded age at locality: 16.81

mindat Locality ID: 33720
mindat URL: http://www.mindat.org/loc-33720.html

Tectonic Settings:

Total number of sublocalities beneath "Plomosa Mts, La Paz Co., Arizona, USA": 157
Total number of bottom-level sublocalities: 143

Number of Child Localities: 1
Child Localities:
Plomosa District

Latitude: 33°47'29"N
Longitude: 114°3'23"W
Decimal Degree (lat, lon): 33.791388888889,-114.05638888889

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: Ag Al Au B Ba C Ca Cl Cu F Fe H Hg K Mg Mn Na O P Pb S Si Sr V W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAmorphousApatiteAragoniteBaryteBrochantiteCalciteChalcopyriteClay
ClinozoisiteCopperCorundumDescloiziteDiasporeEpidoteFluoriteGypsumMalachiteMica
NoneNot in a structural groupPhenakitePyritePyrophylliteQuartzRhabdophaneRocksaltRutileScheelite
Smectite-vermiculiteSphaleriteSpinelTourmaline

47 IMA Minerals at location:
Acanthite  (*)Anglesite  (*)Ankerite  (*)Aurichalcite  (*)Azurite  (*)
Baryte  (*)Bassanite  (*)Bornite  (*)Brochantite  (*)Calcite  (*)
Celestine  (*)Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)Chlorargyrite  (*)
Chrysocolla  (*)Cinnabar  (*)Copper  (*)Descloizite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Goethite  (*)Gold  (*)Gypsum  (*)
Hematite  (*)Lechatelierite  (*)Magnetite  (*)Malachite  (*)Manganite  (*)
Metacinnabar  (*)Montmorillonite  (*)Muscovite  (*)Posnjakite  (*)Prosopite  (*)
Pyrite  (*)Pyrolusite  (*)Pyromorphite  (*)Pyrophyllite  (*)Quartz  (*)
Scheelite  (*)Schorl  (*)Siderite  (*)Tenorite  (*)Vanadinite  (*)
Vermiculite  (*)Willemite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S11405542793
Anglesite  (*)BarytePb(SO4)19.8816.813140493,140554,1405882734
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)219.8816.8111404933092
Aurichalcite  (*)None(Zn,Cu)5(CO3)2(OH)619.8816.811140493919
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211405145509
Baryte  (*)BaryteBa(SO4)20140494,140498,140501,140516,140519,140522,140524,140525,140526,140542,140550,140551,140552,140558,140574,140575,140584,140590,140613,14061611547
Bassanite  (*)RhabdophaneCa(SO4)·0.5H2O114050882
Bornite  (*)NoneCu5FeS411405595516
Brochantite  (*)BrochantiteCu4(SO4)(OH)619.8816.812140493,1405221633
Calcite  (*)CalciteCa(CO3)19.8816.8110140476,140484,140485,140486,140493,140510,140524,140529,140559,14056827770
Celestine  (*)BaryteSr(SO4)2140462,1405901252
Cerussite  (*)AragonitePb(CO3)19.8816.813140493,140560,1405884979
Chalcocite  (*)NoneCu2S11405245707
Chalcopyrite  (*)ChalcopyriteCuFeS2114055927198
Chlorargyrite  (*)RocksaltAgCl19.8816.8111404931382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O19.8816.816140493,140507,140508,140514,140522,1405603531
Cinnabar  (*)NoneHgS2140464,1405302600
Copper  (*)CopperCu19.8816.8111404933846
Descloizite  (*)DescloizitePbZn(VO4)(OH)1140590378
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2140559,1405628173
Fluorite  (*)FluoriteCaF215140494,140515,140516,140522,140525,140526,140542,140550,140551,140552,140558,140574,140584,140613,1406169617
Galena  (*)RocksaltPbS19.8816.814140493,140554,140560,14058824243
Goethite  (*)DiasporeFeO(OH)11405227437
Gold  (*)CopperAu8140511,140514,140559,140578,140579,140583,140588,14059430554
Gypsum  (*)GypsumCa(SO4)·2H2O5140463,140500,140522,140539,1405596890
Hematite  (*)CorundumFe2O316140503,140504,140507,140509,140511,140512,140514,140517,140520,140522,140524,140552,140559,140583,140586,14058814640
Lechatelierite  (*)AmorphousSiO2114050362
Magnetite  (*)SpinelFe2+Fe3+2O4114050514899
Malachite  (*)MalachiteCu2(CO3)(OH)219.8816.816140493,140505,140507,140514,140560,14058812537
Manganite  (*)RutileMn3+O(OH)3140484,140485,140568770
Metacinnabar  (*)SphaleriteHgS1140530255
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O11405051508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2114052217380
Posnjakite  (*)NoneCu4(SO4)(OH)6·H2O1140503309
Prosopite  (*)NoneCaAl2F4(OH)4114050739
Pyrite  (*)PyriteFeS22140554,14055939462
Pyrolusite  (*)RutileMnO27140476,140484,140485,140510,140518,140529,1405683106
Pyromorphite  (*)ApatitePb5(PO4)3Cl11405131725
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)21140505771
Quartz  (*)QuartzSiO219.8816.8111140477,140484,140493,140503,140504,140516,140522,140524,140552,140566,14058361156
Scheelite  (*)ScheeliteCa(WO4)5140523,140579,140580,140581,1405824894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)2140581,1405822705
Siderite  (*)CalciteFe(CO3)19.8816.813140493,140522,1405886417
Tenorite  (*)NoneCuO2140507,1405081101
Vanadinite  (*)ApatitePb5(VO4)3Cl1140590605
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O1140505652
Willemite  (*)PhenakiteZn2SiO419.8816.811140493303



2 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_0000042219.8818.9419.41±0.47K-Ar  UAKA-74-38    279987Black Mesa, Plomosa District, Plomosa Mts, La Paz Co., Arizona, USABlack MesaShafiqullah et al. (1980) AGSD12_201 
Giersdorf_0000043817.6716.8117.24±0.43K-Ar  UAKA-74-37    279987Black Mesa, Plomosa District, Plomosa Mts, La Paz Co., Arizona, USABlack MesaShafiqullah et al. (1980) AGSD12_201 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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