Ages for Montmorillonite at Sierra Blanca Peaks, Hudspeth Co., Texas, 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-12667	48	38				43068	Round Top Prospects, Sierra Blanca Peaks, Hudspeth Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-12674	48	38				43071	Sierra Blanca Occurrences (north), Sierra Blanca Peaks, Hudspeth Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-7129	38	26				69141	Triple Hill, Sierra Blanca Peaks, Hudspeth Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-7132	38	26				43071	Sierra Blanca Occurrences (north), Sierra Blanca Peaks, Hudspeth Co., Texas, USA	NAVDAT	NAVDAT