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 Uraninite at Twilight No. 1 (Twilight #1), Hoskinnini Mesa, Monument Valley Mining District, Navajo Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 180Ma - 180Ma at this locality

Mineralization 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
Giersdorf_00000992	180	180			U	310569	Mineral Mining District, Navajo Co., Arizona, USA	Jaireth et al. (2010)	AN97_21