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 Muscovite at Stenalees, Treverbyn, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 278.7Ma - 268Ma 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
Lucy_138b	278.7	269.5				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_138c	276.8	268				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064

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
Lucy_138a	277.7	269.1				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_138b	278.7	269.5				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_138c	276.8	268				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_138d	273.9	272.9				965	Gunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064