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:
St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada

Oldest recorded age at locality: 121
Youngest recorded age at locality: 90

mindat Locality ID: 6702
mindat URL: http://www.mindat.org/loc-6702.html

Tectonic Settings:

Total number of sublocalities beneath "St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 45°30'4"N
Longitude: 74°1'49"W
Decimal Degree (lat, lon): 45.501111111111,-74.030277777778

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 Ba C Ca Ce F Fe H K Mg Na Nb O P Pb S Si Ti 

Elements from minerals reported directly at this locality: Al Ba C Ca Ce F Fe H K Mg Na Nb O P Pb S Si Ti 

Structural Groups for minerals in this locality: 
AmphiboleApatiteBaryteCalciteClayMicaNoneOlivinePerovskitePyrite
PyroxeneRocksaltSpinel

14 IMA Minerals at location:
Aegirine  (*)Baryte  (*)Britholite-(Ce)  (*)Calcite  (*)Fluorapatite  (*)
Fluorcalciopyrochlore  (*)Galena  (*)Latrappite  (*)Magnetite  (*)Monticellite  (*)
Perovskite  (*)Phlogopite  (*)Pyrite  (*)Richterite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O61219001022
Baryte  (*)BaryteBa(SO4)12190011547
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)121900115
Calcite  (*)CalciteCa(CO3)12190027770
Fluorapatite  (*)ApatiteCa5(PO4)3F1219002740
Fluorcalciopyrochlore  (*)None(Ca,Na)2(Nb,Ti)2O6F12190018
Galena  (*)RocksaltPbS12190024243
Latrappite  (*)PerovskiteCa2NbFe3+O61219002
Magnetite  (*)SpinelFe2+Fe3+2O412190014899
Monticellite  (*)OlivineCaMg(SiO4)121900153
Perovskite  (*)PerovskiteCaTiO3121900495
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21219002273
Pyrite  (*)PyriteFeS212190039462
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)2121900148



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000728MAGMATIC STYLE: Two overlapping massive plugs and concentrations of dykes or cone sheets. ASSOCIATED SILICATE ROCKS: Okaite-jacupirangite (melilitolite-pyroxenite), and ijolite series rocks; lamprophyre dykes and fenite.
Jen_0000729MAGMATIC STYLE: Two overlapping massive plugs and concentrations of dykes or cone sheets. ASSOCIATED SILICATE ROCKS: Okaite-jacupirangite (melilitolite-pyroxenite), and ijolite series rocks; lamprophyre dykes and fenite.
Jen_0000730MAGMATIC STYLE: Two overlapping massive plugs and concentrations of dykes or cone sheets. ASSOCIATED SILICATE ROCKS: Okaite-jacupirangite (melilitolite-pyroxenite), and ijolite series rocks; lamprophyre dykes and fenite.


3 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
Jen_0000728117117117K-Ar whole rock  Yes  604Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, CanadaOkaWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000729121107114±7K-Ar biotite  Yes  604Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, CanadaOkaWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_00007301009095±5Rb-Sr biotite  Yes  604Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, CanadaOkaWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 


SampleSource LocalityReference URL
R110198St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canadahttps://rruff.info/R110198
R110178St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canadahttps://rruff.info/R110178


All locality data graciously provided by mindat.org

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