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 Chamosite at St Cleer, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 284Ma - 266Ma 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_039	284	266				236938	Caradon Hill, St Cleer, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159

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_035a	284	266				1210	Craddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159
Lucy_035b	289	285				1210	Craddock Moor Mine, Craddock Moor, St Cleer, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159
Lucy_039	284	266				236938	Caradon Hill, St Cleer, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159