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 Sphalerite at Unknown Shaft (Ontario Group; MRDS - 10011503), Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 36Ma - 30Ma 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
sedcu-00674	30	30			Cu	4155	Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA	Cox et al. (2003)	USGSOFR03_107
sedznpb-00481	36	31.5				4155	Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA	Singer et al. (2009)	USGSOFR2009-1252