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 Sphalerite at Robin Hood Mine, Bassenthwaite, Allerdale, Cumbria, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 365Ma - 235Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Dated Locality ID	Dated Locality	Ref	Ref ID
JGS171_49_001	245	235	Hematite	25832	Cumbria, England, UK	Crowley et al. (2014)	JGS171_49
Kristen000250	311	311		4920	Thornthwaite Mine, Above Derwent, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000251	362	362		4920	Thornthwaite Mine, Above Derwent, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000252	339	339		4920	Thornthwaite Mine, Above Derwent, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000253	314	314		4920	Thornthwaite Mine, Above Derwent, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521
Kristen000254	365	365		4920	Thornthwaite Mine, Above Derwent, Allerdale, Cumbria, England, UK	Ineson and Mitchell (1974)	GM111_521