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:
Quijotoa (Covered Wells), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA


mindat Locality ID: 46988
mindat URL: http://www.mindat.org/loc-46988.html

Tectonic Settings:

Total number of sublocalities beneath "Quijotoa (Covered Wells), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA": 7
Total number of bottom-level sublocalities: 6

Number of Child Localities: 5
Child Localities:
Copper Squaw Mine (Andrade Mine; Luper Mine; Cooley Mine)
Linda Lee Claims
Linda Lee Claims Area
Pandora Prospect
Rhoads Prospect

Latitude: 32°9'20"N
Longitude: 112°7'12"W
Decimal Degree (lat, lon): 32.155555555556,-112.12

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 C Ca Ce Cr Cu F Fe H K La Mg Mn Na O P S Si Ti U V Y 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllaniteAluniteAmphiboleCalciteChloriteClayClinozoisiteCorundumCrichtoniteEpidote
FeldsparFluoriteGarnetGypsumMalachiteMicaNoneNot in a structural groupPyriteQuartz
RutileSpinelTitanite

24 IMA Minerals at location:
Actinolite  (*)Albite  (*)Allanite-(Ce)  (*)Azurite  (*)Calcite  (*)
Chalcocite  (*)Clinochlore  (*)Davidite-(La)  (*)Epidote  (*)Gypsum  (*)
Hematite  (*)Jarosite  (*)Magnetite  (*)Malachite  (*)Metatorbernite  (*)
Muscovite  (*)Pyrite  (*)Quartz  (*)Rutile  (*)Spessartine  (*)
Titanite  (*)Torbernite  (*)Uraninite  (*)Uranophane-α  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)211449473419
Albite  (*)FeldsparNa(AlSi3O8)2144947,1449508803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)2144947,144949706
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)211449465509
Calcite  (*)CalciteCa(CO3)2144946,14494727770
Chalcocite  (*)NoneCu2S11449465707
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)811449471756
Davidite-(La)  (*)CrichtoniteLa(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38114495031
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2144947,1449508173
Gypsum  (*)GypsumCa(SO4)·2H2O11449496890
Hematite  (*)CorundumFe2O32144946,14494714640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)611449492228
Magnetite  (*)SpinelFe2+Fe3+2O4114494914899
Malachite  (*)MalachiteCu2(CO3)(OH)2114494612537
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O1144949443
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2114494717380
Pyrite  (*)PyriteFeS2114494939462
Quartz  (*)QuartzSiO22144946,14494761156
Rutile  (*)RutileTiO211449475614
Spessartine  (*)GarnetMn2+3Al2(SiO4)311449471214
Titanite  (*)TitaniteCaTi(SiO4)O2144947,1449504899
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O11449471059
Uraninite  (*)FluoriteUO211449462718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O2144946,144947890



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R040024Quijotoa (Covered Wells), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USAhttps://rruff.info/R040024
R070698Pandora Prospect, Quijotoa (Covered Wells), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USAhttps://rruff.info/R070698
R070697Pandora Prospect, Quijotoa (Covered Wells), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USAhttps://rruff.info/R070697


All locality data graciously provided by mindat.org

All age data...

Other copyright data...