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 Chalcocite at Kona Dolomite, Big Bay, Marquette Co., Michigan, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2000Ma - 2000Ma at this locality

Mineralization 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
sedcu-00657	2000	2000			Cu	124002	Kona Dolomite, Big Bay, Marquette Co., Michigan, USA	Cox et al. (2003)	USGSOFR03_107