Ages for Freibergite at Sugarloaf District, Boulder Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma 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
  NAVDAT-128174	56	46				110360	Phillips (Meadow Lark; Lee S.; Sur No. 209; Storm Occurrence), Sugarloaf District, Boulder Co., Colorado, USA	NAVDAT	NAVDAT
  USGS-Rb-Sr-04041	54	54				110360	Phillips (Meadow Lark; Lee S.; Sur No. 209; Storm Occurrence), Sugarloaf District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04130	1704.13	1624.13				110054	G. W. Horton Mill Site Occurrence (Church Placer; Clear Water Placer; Ravens View; Horseshoe Placer; Hubbard Placer), Sugarloaf District, Boulder Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr