Mineral Evolution DatabaseCreated 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 |
---|---|---|---|---|---|---|---|---|---|
NAVDAT-16731 | 60 | 39 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||
NAVDAT-4767 | 55 | 40 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||
NAVDAT-4768 | 55 | 40 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT | |||
NAVDAT-92342 | 58 | 46 | 45297 | Spearfish Peak (Black Butte), Spearfish, Lawrence Co., South Dakota, USA | NAVDAT | NAVDAT |