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:
North Group, Cross Lake, Manitoba, Canada

Oldest recorded age at locality: 2772
Youngest recorded age at locality: 2450

mindat Locality ID: 286780
mindat URL: http://www.mindat.org/loc-286780.html

Tectonic Settings:

Total number of sublocalities beneath "North Group, Cross Lake, Manitoba, Canada": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Pegmatite 36
Pegmatite No. 22 (Gottcha Claim)

Latitude: 54°40'58"N
Longitude: 97°49'23"W
Decimal Degree (lat, lon): 54.682777777778,-97.823055555556
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 B Ba Be Ca Cl F Fe H K Mg Mn Na Nb O P Si Sr Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AlluauditeAluniteApatiteArrojaditeBerylBjarebyiteChildreniteClayColumbiteFeldspar
FillowiteGarnetGraftoniteMicaNoneQuartzSpinelTourmalineTripliteWagnerite

23 IMA Minerals at location:
Albite  (*)Alluaudite  (*)Beryl  (*)Beusite  (*)Bobfergusonite  (*)
Chlorapatite  (*)Columbite-(Mn)  (*)Dickinsonite-(KMnNa)  (*)Eosphorite  (*)Fillowite  (*)
Fluorapatite  (*)Gahnite  (*)Goyazite  (*)Manitobaite  (*)Microcline  (*)
Muscovite  (*)Perloffite  (*)Pieczkaite  (*)Quartz  (*)Schorl  (*)
Spessartine  (*)Triplite  (*)Triploidite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)277224501302728803
Alluaudite  (*)Alluaudite   NaMnFe3+2(PO4)32772245013027294
Beryl  (*)BerylBe3Al2Si6O1827722450230271,302724286
Beusite  (*)GraftoniteMn2+Mn2+2(PO4)22772245013027239
Bobfergusonite  (*)None   Na2Mn2+5Fe3+Al(PO4)6277224501302722
Chlorapatite  (*)ApatiteCa5(PO4)3Cl27722450130272203
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O627722450130271289
Dickinsonite-(KMnNa)  (*)ArrojaditeK(NaMn)CaNa3AlMn13(PO4)12(OH)22772245013027226
Eosphorite  (*)ChildreniteMn2+Al(PO4)(OH)2·H2O27722450130272128
Fillowite  (*)FillowiteNa3CaMn2+11(PO4)92772245013027214
Fluorapatite  (*)ApatiteCa5(PO4)3F27722450230271,302722740
Gahnite  (*)SpinelZnAl2O427722450130272445
Goyazite  (*)AluniteSrAl3(PO4)(PO3OH)(OH)627722450130272173
Manitobaite  (*)AlluauditeNa16Mn2+25Al8(PO4)30277224501302721
Microcline  (*)FeldsparK(AlSi3O8)277224501302724924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22772245013027217380
Perloffite  (*)BjarebyiteBaMn2+2Fe3+2(PO4)3(OH)3277224501302727
Pieczkaite  (*)ApatiteMn5(PO4)3Cl277224501302722
Quartz  (*)QuartzSiO22772245013027261156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)277224501302722705
Spessartine  (*)GarnetMn2+3Al2(SiO4)3277224501302721214
Triplite  (*)TripliteMn2+2(PO4)F27722450130272233
Triploidite  (*)WagneriteMn2+2(PO4)(OH)2772245013027229


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Scott-GCA51_1101-0005The Cross Lake pegmatite field occurs over an area of approximately 200 km^2 at the western margin of the subprovince and about 30 km east of the Superior-Churchill boundary.


2 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
Bradley_2012_008277227582765±7U/Pb zircon  YesZircon  231259Cross Lake, Manitoba, CanadaCross LakeMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 
Scott-GCA51_1101-0005250024502500-2450Rb-Srage of intrusionk-feldspar6G Yes  231259Cross Lake, Manitoba, CanadaCross LakeClark and Černý (1987)10.1016/0016-7037(87)90112-8GECA51_1101Table 1

SampleSource LocalityReference URL
R110143Pegmatite No. 22 (Gottcha Claim), North Group, Cross Lake, Manitoba, Canadahttps://rruff.info/R110143
R130259Pegmatite No. 22 (Gottcha Claim), North Group, Cross Lake, Manitoba, Canadahttps://rruff.info/R130259
R130260Pegmatite No. 22 (Gottcha Claim), North Group, Cross Lake, Manitoba, Canadahttps://rruff.info/R130260

All locality data graciously provided by mindat.org

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