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:
Little Harquahala District, Little Harquahala Mts, La Paz Co., Arizona, USA

Oldest recorded age at locality: 68.2
Youngest recorded age at locality: 46.5

mindat Locality ID: 34178
mindat URL: http://www.mindat.org/loc-34178.html

Tectonic Settings:

Total number of sublocalities beneath "Little Harquahala District, Little Harquahala Mts, La Paz Co., Arizona, USA": 18
Total number of bottom-level sublocalities: 14

Number of Child Localities: 5
Child Localities:
Bashor Group
Bauer-Kelly Prospect (Hope Prospect)
Salome
Salome Area
Unnamed Silica Deposit

Latitude: 33°43'41"N
Longitude: 113°37'25"W
Decimal Degree (lat, lon): 33.728055555556,-113.62361111111

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 Au Ba C Ca Cu Fe H K Mg O P Pb S Si W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneBaryteBrochantiteCalciteChalcopyriteClayCopperCorundumGismondineGypsum
MalachiteMicaNonePlancheitePyriteQuartzRocksaltScheeliteSepioliteSpinel

21 IMA Minerals at location:
Baryte  (*)Brochantite  (*)Calcite  (*)Chalcopyrite  (*)Chrysocolla  (*)
Dioptase  (*)Dolomite  (*)Galena  (*)Gismondine  (*)Gold  (*)
Gypsum  (*)Hematite  (*)Magnetite  (*)Malachite  (*)Muscovite  (*)
Plancheite  (*)Pseudomalachite  (*)Pyrite  (*)Quartz  (*)Scheelite  (*)
Sepiolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Baryte  (*)BaryteBa(SO4)68.246.52140428,14042911547
Brochantite  (*)BrochantiteCu4(SO4)(OH)668.246.511404251633
Calcite  (*)CalciteCa(CO3)68.246.52140433,14043427770
Chalcopyrite  (*)ChalcopyriteCuFeS268.246.5114043527198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O68.246.52140434,1404383531
Dioptase  (*)NoneCuSiO3·H2O68.246.52140434,140438164
Dolomite  (*)NoneCaMg(CO3)268.246.511404349895
Galena  (*)RocksaltPbS68.246.53140432,140434,14043524243
Gismondine  (*)GismondineCa2(Si4Al4)O16·8H2O68.263.81140438128
Gold  (*)CopperAu68.246.5114043430554
Gypsum  (*)GypsumCa(SO4)·2H2O68.246.52140433,1404346890
Hematite  (*)CorundumFe2O368.246.5114043414640
Magnetite  (*)SpinelFe2+Fe3+2O468.246.5114043414899
Malachite  (*)MalachiteCu2(CO3)(OH)268.246.5114043412537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)266.163.1114043417380
Plancheite  (*)PlancheiteCu8(Si4O11)2(OH)4·H2O68.246.5114043474
Pseudomalachite  (*)NoneCu5(PO4)2(OH)468.246.51140434369
Pyrite  (*)PyriteFeS268.246.53140433,140434,14043539462
Quartz  (*)QuartzSiO268.246.52140434,14043961156
Scheelite  (*)ScheeliteCa(WO4)68.246.511404304894
Sepiolite  (*)Sepiolite ClayMg4Si6O15(OH)2·6H2O68.263.81140438241



3 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_0000035968.263.866±2.2K-ArAge of cooling after metamorphic event or reset by intrusion of granodiorite of the Granite Wash Pass L.Ha-1 Yes  192365Little Harquahala Mts, La Paz Co., Arizona, USALittle Harquahala Mts.Shafiqullah et al. (1980) AGSD12_201 
Giersdorf_0000036166.163.164.6±1.5K-Ar  Hvr-1  Muscovite 34177Salome, Little Harquahala District, Little Harquahala Mts, La Paz Co., Arizona, USASalomeShafiqullah et al. (1980) AGSD12_201 
Giersdorf_0000037648.546.547.5±1.0K-ArAge of cooling after metamorphic-plutonic event or resetting by Tertiary thermal event UAKA-73-126    34177Salome, Little Harquahala District, Little Harquahala Mts, La Paz Co., Arizona, USASalomeShafiqullah et al. (1980) AGSD12_201 


SampleSource LocalityReference URL


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