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 Orthoclase at Trewavas Head, Rinsey, Breage, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 296Ma - 270Ma at this locality

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_222	296	282	Muscovite			866	Trewavas Head, Rinsey, Breage, Cornwall, England, UK	Miller et al (1964)	GJ4_105
Lucy_223	290	270	Muscovite			866	Trewavas Head, Rinsey, Breage, Cornwall, England, UK	Miller et al (1964)	GJ4_105