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:
Mavis Lake Occurrence, Brownridge Township, Kenora District, Ontario, Canada

Oldest recorded age at locality: 2673
Youngest recorded age at locality: 2657

mindat Locality ID: 254470
mindat URL: http://www.mindat.org/loc-254470.html

Tectonic Settings:

Total number of sublocalities beneath "Mavis Lake Occurrence, Brownridge Township, Kenora District, Ontario, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 49°48'54"N
Longitude: 92°39'26"W
Decimal Degree (lat, lon): 49.815,-92.657222222222

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.

Beryl	Columbite	None	Pyroxene

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 Be F Li Mn O P Si Sn Ta

Elements from minerals reported directly at this locality: Al Be F Li Mn O P Si Sn Ta

Structural Groups for minerals in this locality:
Beryl Columbite None Pyroxene

4 IMA Minerals at location:

Amblygonite ()*	Beryl ()*	Spodumene ()*	Wodginite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Amblygonite ()*	None	LiAl(PO₄)F	2673	2657	244
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	2665	2665	4286
Spodumene ()*	Pyroxene	LiAlSi₂O₆	2673	2657	688
Wodginite ()*	Columbite	Mn²⁺Sn⁴⁺Ta₂O₈	2673	2657	78

3 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Prioritized?	Sample Source	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Be-00060	2665	2665	2665		high		Chrysoberyl	Be	254470	Mavis Lake Occurrence, Brownridge Township, Kenora District, Ontario, Canada	Mavis Lake pegmatite group, Dryden Field, Superior Province, Manitoba, Canada	Breaks et al. (2005)		REGMD17_87
Bradley_2012_035	2673	2657	2665±8	U/Pb		columbite, tantalite			254470	Mavis Lake Occurrence, Brownridge Township, Kenora District, Ontario, Canada	Fairservice	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
Kristen002492	2673	2657	2665±8			tantalo-niobates			254470	Mavis Lake Occurrence, Brownridge Township, Kenora District, Ontario, Canada	Mavis Lake Group	Tkachev (2011)	10, 1144/SP350,2	GSLSP350_7

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...