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 |
---|---|---|---|---|---|---|---|---|---|
USGS-Rb-Sr-06238 | 398 | 382 | Microcline | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
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 |
---|---|---|---|---|---|---|---|---|---|
USGS-Rb-Sr-06238 | 398 | 382 | Microcline | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
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 |
---|---|---|---|---|---|---|---|---|---|
USGS-Rb-Sr-06237 | 990 | 918 | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr | |||
USGS-Rb-Sr-06239 | 242.03 | 230.03 | Muscovite | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr | ||
USGS-Rb-Sr-06241 | 242.03 | 230.03 | Muscovite | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |