Ages for Pyromorphite at Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 290Ma - 39.9Ma 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
  sedexmvt-00235	290	254				5991	Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA	Taylor et al. (2009)	USGSOFR2009_1297
  sedznpb-00489	45.1	39.9				5991	Sherman Mine (Sherman Tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252

• 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
  sedznpb-00472	41.3	37.9				3652	Leadville, Leadville District, Lake Co., Colorado, USA	Singer et al. (2009)	USGSOFR2009-1252