Mineral Evolution Database Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat. Mineral locality data provided by mindat.org |
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 | ||
NAVDAT-92274 | 58 | 46 | 44879 | Bear Butte, Meade Co., South Dakota, USA | NAVDAT | NAVDAT |