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 Hemimorphite at Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 272Ma - 241Ma 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
Kristen000277	241	241				1445	Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000278	263	263				1445	Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000279	272	272				1445	Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000280	243	243				1445	Old Sandbed Mine (Old Sandbeds Mine), Caldbeck, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521

Locality age (remote)

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
JGS171_49_001	245	235		Hematite		25832	Cumbria, England, UK	Crowley et al. (2014)	JGS171_49