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:
Pegmatite 36, North Group, Cross Lake, Manitoba, Canada

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

mindat Locality ID: 261486
mindat URL: http://www.mindat.org/loc-261486.html

Tectonic Settings:

Total number of sublocalities beneath "Pegmatite 36, North Group, Cross Lake, Manitoba, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 54°40'58"N
Longitude: 97°49'47"W
Decimal Degree (lat, lon): 54.682777777778,-97.829722222222

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.

Apatite	Beryl	Columbite	None

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 Ca F Mn Nb O P Si

Elements from minerals reported directly at this locality: Al Be Ca F Mn Nb O P Si

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

3 IMA Minerals at location:

Beryl ()*	Columbite-(Mn) ()*	Fluorapatite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of localities containing mineral
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	2772	2450	4286
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	2772	2450	289
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	2772	2450	2740

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Scott-GCA51_1101-0005	The 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 ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	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	Age Notes
	Bradley_2012_008	2772	2758	2765±7	U/Pb			zircon			Yes	Zircon			231259	Cross Lake, Manitoba, Canada	Cross Lake	McCauley and Bradley (2014)	10.3749/canmin.52.2.183	CM52_183
	Scott-GCA51_1101-0005	2500	2450	2500-2450	Rb-Sr	age of intrusion		k-feldspar	6G		Yes				231259	Cross Lake, Manitoba, Canada	Cross Lake	Clark and Černý (1987)	10.1016/0016-7037(87)90112-8	GECA51_1101	Table 1

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...