Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Microcline at Llano Co., Texas, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1082Ma - 1014Ma 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
Jen_0000001	1082	1014			Nb>Ta,Y,REE,Zr,U,Th,Be	42305	Enchanted Rock State Park (Charles Moss Ranch), Llano Co., Texas, USA	Černý (1991)	PR51_429

Direct 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
USGS-Rb-Sr-04862	1019.67	1019.67	Microcline			274396	Mayes Pasture, Llano Co., Texas, USA	USGS-Rb-Sr	USGS-Rb-Sr

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
Jen_0000001	1082	1014			Nb>Ta,Y,REE,Zr,U,Th,Be	42305	Enchanted Rock State Park (Charles Moss Ranch), Llano Co., Texas, USA	Černý (1991)	PR51_429
Jen_0000149	1048.003	1047.997				42305	Enchanted Rock State Park (Charles Moss Ranch), Llano Co., Texas, USA	Anderson (1983)	GSAM161_133
USGS-Rb-Sr-04860	1121.37	1071.37				274396	Mayes Pasture, Llano Co., Texas, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04861	964.22	964.22	Muscovite			274396	Mayes Pasture, Llano Co., Texas, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04863	1019.67	1019.67				274396	Mayes Pasture, Llano Co., Texas, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04864	1019.67	1019.67				274396	Mayes Pasture, Llano Co., Texas, USA	USGS-Rb-Sr	USGS-Rb-Sr