Ages for Pyrolusite at Las Vegas District, Clark Co., Nevada, 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
  Giersdorf_00000459	12.6	11.2				63992	Frenchman Mountain, Las Vegas District, Clark Co., Nevada, USA	Shafiqullah et al. (1980)	AGSD12_201
  Giersdorf_00000460	12.1	10.3				63992	Frenchman Mountain, Las Vegas District, Clark Co., Nevada, USA	Shafiqullah et al. (1980)	AGSD12_201
  Scott-NIMM56_30-0001	12.8	11	Zircon			63992	Frenchman Mountain, Las Vegas District, Clark Co., Nevada, USA	Koski et al. (1990)	NIMM56_30
  Scott-NIMM56_30-0002	11.5	9.7	Zircon			63992	Frenchman Mountain, Las Vegas District, Clark Co., Nevada, USA	Koski et al. (1990)	NIMM56_30