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 Okehampton Hamlets, West Devon, Devon, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 259Ma - 249Ma 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_214	259	249	Muscovite			4572	Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK	Miller et al (1964)	GJ4_105

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
Lucy_214	259	249	Muscovite			4572	Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK	Miller et al (1964)	GJ4_105

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
Bradley_2012_093	281	277				4572	Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK	McCauley and Bradley (2014)	CM52_183
Lucy_051	281	277				4572	Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK	Darbyshire et al. (1985)	JGSL142_1159
Lucy_052	265	255				4572	Meldon Aplite Quarry, Okehampton Hamlets, West Devon, Devon, England, UK	Darbyshire et al. (1985)	JGSL142_1159
Lucy_082	295	295				4571	Meldon Quarry (British Rail Quarry; British Railways Quarry; B. R. Quarry), Okehampton Hamlets, West Devon, Devon, England, UK	Hawkes et al. (1978	US4_51
Lucy_096	308	284				105601	Meldon Mine (Red-a-Ven Mine; Okehampton Wheal Maria; Devon Copper Mine), Okehampton Hamlets, West Devon, Devon, England, UK	Fitch et al. (1964)	GSL1_159
Lucy_097	301	289				105601	Meldon Mine (Red-a-Ven Mine; Okehampton Wheal Maria; Devon Copper Mine), Okehampton Hamlets, West Devon, Devon, England, UK	Fitch et al. (1964)	GSL1_159
Lucy_212	308	284				4571	Meldon Quarry (British Rail Quarry; British Railways Quarry; B. R. Quarry), Okehampton Hamlets, West Devon, Devon, England, UK	Miller et al (1964)	GJ4_105
Lucy_213	301	289				4571	Meldon Quarry (British Rail Quarry; British Railways Quarry; B. R. Quarry), Okehampton Hamlets, West Devon, Devon, England, UK	Miller et al (1964)	GJ4_105