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 Cummingtonite at Big Falls, Eau Claire Co., Wisconsin, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1835Ma - 1835Ma 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
USGS-U-Th-Pb-01275_206_238	1835	1835	Zircon			51676	Big Falls, Eau Claire Co., Wisconsin, USA	USGS-U-Th-Pb	USGS-U-Th-Pb