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
Dry Mountain, Whitlock Mts, Graham Co., Arizona, USA
The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma 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
NAVDAT-7752
2.57
2.09
Zircon
131653
Unnamed Clay Occurrence, Dry Mountain, Whitlock Mts, Graham Co., Arizona, USA
NAVDAT
NAVDAT