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:
Blue Bird Mine (Bluebird Mine; Zilla Mine; Twin-S Mine; Cumberland Mine; Thornewood Mine; Blue Bird Silver Mining Co. Property), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USA

Oldest recorded age at locality: 62
Youngest recorded age at locality: 52

mindat Locality ID: 44361
mindat URL: http://www.mindat.org/loc-44361.html

Tectonic Settings:

Total number of sublocalities beneath "Blue Bird Mine (Bluebird Mine; Zilla Mine; Twin-S Mine; Cumberland Mine; Thornewood Mine; Blue Bird Silver Mining Co. Property), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°45'47"N
Longitude: 110°28'14"W
Decimal Degree (lat, lon): 32.763055555556,-110.47055555556

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 As C Ca Cl Cu Fe H K Mo O Pb S Sb Si V Zn 

Elements from minerals reported directly at this locality: Ag Al As C Ca Cl Cu Fe H K Mo O Pb S Sb Si V Zn 

Structural Groups for minerals in this locality: 
AcanthiteAllophaneAragoniteBaryteCalciteChalcopyriteClayCopperCovelliteDescloizite
KaoliniteMalachiteMicaNoneNot in a structural groupPyriteRocksaltScheeliteSphaleriteTetrahedrite

23 IMA Minerals at location:
Acanthite  (*)Anglesite  (*)Azurite  (*)Bornite  (*)Calcite  (*)
Cerussite  (*)Chalcocite  (*)Chalcopyrite  (*)Chlorargyrite  (*)Chrysocolla  (*)
Covellite  (*)Descloizite  (*)Galena  (*)Kaolinite  (*)Malachite  (*)
Muscovite  (*)Pyrite  (*)Silver  (*)Sphalerite  (*)Stromeyerite  (*)
Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Wulfenite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Acanthite  (*)AcanthiteAg2S625202793
Anglesite  (*)BarytePb(SO4)625202734
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2625205509
Bornite  (*)NoneCu5FeS4625205516
Calcite  (*)CalciteCa(CO3)6252027770
Cerussite  (*)AragonitePb(CO3)625204979
Chalcocite  (*)NoneCu2S625205707
Chalcopyrite  (*)ChalcopyriteCuFeS26252027198
Chlorargyrite  (*)RocksaltAgCl625201382
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O625203531
Covellite  (*)CovelliteCuS625204165
Descloizite  (*)DescloizitePbZn(VO4)(OH)62520378
Galena  (*)RocksaltPbS6252024243
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4625205591
Malachite  (*)MalachiteCu2(CO3)(OH)26252012537
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)26252017380
Pyrite  (*)PyriteFeS26252039462
Silver  (*)CopperAg625205186
Sphalerite  (*)SphaleriteZnS6252021482
Stromeyerite  (*)NoneCuAgS62520332
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13625201803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13625205317
Wulfenite  (*)ScheelitePbMoO46160.401655



5 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
Mo-001056160.460.7±0.3Re-Os molybdeniteCC-1 YesMolybdeniteFerrimolybdite, Lindgrenite, Molybdenite, WulfeniteMo7835Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USACopper CreekBarra et al. (2005)10.2113/gsecongeo.100.8.1605EG100_1605 
EG94_211-00044626262Pb-Pb whole rock?C22 Yes  194728Copper Creek, Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USACopper CreekBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
EG94_211-00045575757±Pb-Pb whole rock?C31 Yes  194728Copper Creek, Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USACopper CreekBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
EG94_211-00046525252Pb-Pb whole rock?C43 Yes  194728Copper Creek, Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USACopper CreekBouse et al. (1999)10.2113/gsecongeo.94.2.211EG94_211 
Mo-002446160.461–60.4Re-Os molybdenite  YesMolybdeniteFerrimolybdite, Lindgrenite, Molybdenite, Wulfenite, MarkascheriteMo41346Childs-Adwinkle Mine (Childs And Altwilkle Mine; Childs-Aldwinkle Mine), Copper Creek, Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USAChilds-Aldwinkle MineBarra et al. (2005)10.2113/gsecongeo.100.8.1605EG100_1605 


SampleSource LocalityReference URL


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