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 Bertrandite at Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 310Ma - 259Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
Lucy_122	277	265	Muscovite	874	Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_123	310	294		874	Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK	Bray and Spooner (1983)	EG78_1064
Lucy_215	306	290		874	Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK	Miller et al (1964)	GJ4_105
Lucy_216	271	259	Muscovite	874	Kit Hill United Mines (incl. Kit Hill Great Consols), Callington, Stokeclimsland, Cornwall, England, UK	Miller et al (1964)	GJ4_105