Ages for Amblygonite at Red Cross Lake, Manitoba, Canada

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2660Ma - 2180Ma at this locality

• Age range from children

• Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
  Grew_Li_2019_0016	2660	2660		Cookeite		107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Černý et al. (2012)	CM50_1807
  Alexandra-0204	2250	2180				107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Clark and Černý (1987)	GECA51_1011

• Locality age

• Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
  Alexandra-0204	2250	2180				107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Clark and Černý (1987)	GECA51_1011
  Grew_Li_2019_0016	2660	2660		Cookeite		107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Černý et al. (2012)	CM50_1807
  Grew_Li_2019_0046	2660	2660		Holmquistite		107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Černý et al. (2012)	CM50_1807
  Scott-GCA51_1101-0006	2500	2450				107864	Red Cross Lake Pegmatites, Red Cross Lake, Manitoba, Canada	Clark and Černý (1987)	GCA51_1101