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
Opal
at
Campo Formoso Ultramafic Complex, Bahia, Brazil
The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 380Ma - 361Ma at this locality
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
Cr-00050
380
361
Chromite, Stichtite, Volkonskoite
Cr
205487
Itambé, Bahia, Brazil
Gastil (1960)
AJS258_1