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
Gypsum
at
Elk Creek Locality, Dalzell, Meade Co., South Dakota, USA
The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 83.6Ma - 72.1Ma 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
Michelle_575
83.6
72.1
Whewellite
4116
Meade Co., South Dakota, USA
Campbell and Roberts (1986)
MR17_131