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:
Brown Bear Mine (Brown Bear Shaft), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA

Oldest recorded age at locality: 1445
Youngest recorded age at locality: 87

mindat Locality ID: 136225
mindat URL: http://www.mindat.org/loc-136225.html

Tectonic Settings: Continental Extension

Total number of sublocalities beneath "Brown Bear Mine (Brown Bear Shaft), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°7'47"N
Longitude: 114°21'8"W
Decimal Degree (lat, lon): 45.129722222222,-114.35222222222
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 As Au Bi Ca Ce Co Cu Fe H O S Si 

Elements from minerals reported directly at this locality: Al As Au Bi Ca Ce Co Cu Fe H O S Si 

Structural Groups for minerals in this locality: 
AllaniteArsenicChalcopyriteClinozoisiteCobaltiteCopperEpidoteNickelineNonePyrite
QuartzSpinel

11 IMA Minerals at location:
Allanite-(Ce)  (*)Bismuth  (*)Chalcocite  (*)Chalcopyrite  (*)Cobaltite  (*)
Epidote  (*)Gold  (*)Magnetite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)1445870706
Bismuth  (*)ArsenicBi14458701966
Chalcocite  (*)NoneCu2S14458705707
Chalcopyrite  (*)ChalcopyriteCuFeS2144587027198
Cobaltite  (*)CobaltiteCoAsS144514100966
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)14458708173
Gold  (*)CopperAu144587030554
Magnetite  (*)SpinelFe2+Fe3+2O4144587014899
Pyrite  (*)PyriteFeS2144587039462
Pyrrhotite  (*)NickelineFe7S814458709056
Quartz  (*)QuartzSiO2144587061156


23 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
Co-00104144514101445-1410     Yes Co24737Blackbird District, Lemhi Co., Idaho, USA Slack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Kristen002201113107110±3206Pb/238Umineralization agemonazite  Yes  24737Blackbird District, Lemhi Co., Idaho, USABlackbird DistrictAleinikoff et al. (2012)10.2113/econgeo.107.6.1143EG107_1143 
Kristen002202978792±5206Pb/238Umineralization agemonazite  Yes  24737Blackbird District, Lemhi Co., Idaho, USABlackbird DistrictAleinikoff et al. (2012)10.2113/econgeo.107.6.1143EG107_1143 
Co-00006144514101445-1410     YesCobaltite, Erythrite, Heterogenite, Linnaeite, SaffloriteCo3740Blackbird Mine, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA Slack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00058144514101445-1410     YesCobaltiteCo227852Blacktail Pit, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USABlacktailSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00047144514101445-1410     YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA Slack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00048144514101445-1410   M7B-319 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00049144514101445-1410   M7B-320 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00050144514101445-1410   M7B-439 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00051144514101445-1410   M12A-105 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00052144514101445-1410   M12A-341 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00053144514101445-1410   M13A-258 YesCobaltiteCo139044Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USAMerleSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00025144514101445-1410     YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA Slack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00026144514101445-1410   S7B-290 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00027144514101445-1410   S9A-198 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00028144514101445-1410   S10A-495 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00029144514101445-1410   S11A-223 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00030144514101445-1410   S17B-672 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00031144514101445-1410   NIC531 YesCobaltite, Erythrite, MilleriteCo, Ni45583Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USASunshine2Slack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00044144514101445-1410     Yes  136040Blackpine Mine, Blackbird District, Lemhi Co., Idaho, USABlackpineSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00007144514101445-1410     YesAnnabergite, CobaltiteCo, Ni3741Haynes-Stellite Mine (Cobalt Mine), Blackbird District, Lemhi Co., Idaho, USAHaynes-StelliteSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00045144514101445-1410   IC12-295 Yes  138245Iron Creek Deposit (Little No Name), Blackbird District, Lemhi Co., Idaho, USAIron CreekSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 
Co-00046144514101445-1410   IC16-305 Yes  138245Iron Creek Deposit (Little No Name), Blackbird District, Lemhi Co., Idaho, USAIron CreekSlack (2006)10.2113/gsecongeo.101.2.275BSEG101_275 

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