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

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Amphibole	Apatite	Baryte	Calcite	Clay	Mica	None	Olivine	Perovskite	Pyrite
Pyroxene	Rocksalt	Spinel

Aegirine ()*	Baryte ()*	Britholite-(Ce) ()*	Calcite ()*	Fluorapatite ()*
Fluorcalciopyrochlore ()*	Galena ()*	Latrappite ()*	Magnetite ()*	Monticellite ()*
Perovskite ()*	Phlogopite ()*	Pyrite ()*	Richterite ()*

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:
Amphibole Apatite Baryte Calcite Clay Mica None Olivine Perovskite Pyrite
Pyroxene Rocksalt Spinel

14 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆	121	90	1022
Baryte ()*	Baryte	Ba(SO₄)	121	90	11547
Britholite-(Ce) ()*	Apatite	(Ce,Ca)₅(SiO₄)₃(OH)	121	90	115
Calcite ()*	Calcite	Ca(CO₃)	121	90	27770
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	121	90	2740
Fluorcalciopyrochlore ()*	None	(Ca,Na)₂(Nb,Ti)₂O₆F	121	90	18
Galena ()*	Rocksalt	PbS	121	90	24243
Latrappite ()*	Perovskite	Ca₂NbFe³⁺O₆	121	90	2
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	121	90	14899
Monticellite ()*	Olivine	CaMg(SiO₄)	121	90	153
Perovskite ()*	Perovskite	CaTiO₃	121	90	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	121	90	2273
Pyrite ()*	Pyrite	FeS₂	121	90	39462
Richterite ()*	Amphibole	Na(NaCa)Mg₅Si₈O₂₂(OH)₂	121	90	148

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Jen_0000728	MAGMATIC 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_0000729	MAGMATIC 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_0000730	MAGMATIC 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 ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Age from other Locality	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Jen_0000728	117	117	117	K-Ar	whole rock	Yes	604	Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada	Oka	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000729	121	107	114±7	K-Ar	biotite	Yes	604	Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada	Oka	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796
Jen_0000730	100	90	95±5	Rb-Sr	biotite	Yes	604	Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada	Oka	Woolley and Kjarsgaard (2008)	10.4095/225115	GSCOF5796

Sample	Source Locality	Reference URL
R110198	St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada	https://rruff.info/R110198
R110178	St Lawrence Columbium Mine, Oka Complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada	https://rruff.info/R110178

All locality data graciously provided by mindat.org

All age data...