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:
Beaver Bay, Lake Co., Minnesota, USA


mindat Locality ID: 134956
mindat URL: http://www.mindat.org/loc-134956.html

Tectonic Settings:

Total number of sublocalities beneath "Beaver Bay, Lake Co., Minnesota, USA": 2
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Beaver Bay Complex

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Ca Cu Fe H K Mg Na O Pb Pd Pt S Sb Si Sn 

Elements from minerals reported directly at this locality: Ca Fe Mg O Si 

Structural Groups for minerals in this locality: 
AmphiboleChalcopyriteClayClinozoisiteCorundumDiasporeDigeniteEpidoteFeldsparIsomertieite
MicaNickelineNonePrehnitePyritePyroxeneQuartzRocksaltSpinelStilpnomelane
Talc

24 IMA Minerals at location:
Actinolite  (*)Albite  (*)Augite  (*)Bornite  (*)Braggite  (*)
Chalcopyrite  (*)Digenite  (*)Epidote  (*)Galena  (*)Goethite  (*)
Hematite  (*)Isomertieite  (*)Magnetite  (*)Muscovite  (*)Pigeonite  (*)
Prehnite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Sperrylite  (*)
Stilpnomelane  (*)Stistaite  (*)Talc  (*)Vincentite  (*)
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)212235233419
Albite  (*)FeldsparNa(AlSi3O8)12235238803
Augite  (*)Pyroxene(Ca,Mg,Fe)2Si2O612235232060
Bornite  (*)NoneCu5FeS412235235516
Braggite  (*)NonePdPt3S41223523101
Chalcopyrite  (*)ChalcopyriteCuFeS2122352327198
Digenite  (*)DigeniteCu1.8S12235231027
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)12235238173
Galena  (*)RocksaltPbS122352324243
Goethite  (*)DiasporeFeO(OH)12235237437
Hematite  (*)CorundumFe2O3122352314640
Isomertieite  (*)IsomertieitePd11Sb2As2122352348
Magnetite  (*)SpinelFe2+Fe3+2O4122352314899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2122352317380
Pigeonite  (*)Pyroxene(Mg,Fe,Ca)2Si2O60303
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)212235231898
Pyrite  (*)PyriteFeS2122352339462
Pyrrhotite  (*)NickelineFe7S812235239056
Quartz  (*)QuartzSiO2122352361156
Sperrylite  (*)PyritePtAs21223523337
Stilpnomelane  (*)Stilpnomelane Clay(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O1223523456
Stistaite  (*)RocksaltSnSb122352311
Talc  (*)Clay TalcMg3Si4O10(OH)212235233337
Vincentite  (*)NonePd3As122352317


No ages have been assigned to this locality yet.
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