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 Autunite at Hackney Mine, Karnes Uranium District, Karnes Co., Texas, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 65.5Ma - 2.6Ma at this locality

Locality age (remote)

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
Mo-00217	65.5	2.6		Molybdenite, Mourite, Powellite, Ilsemannite	Mo	27869	Karnes Uranium District, Karnes Co., Texas, USA	Reynolds and Goldhaber (1978); Reynolds et al. (1982)