Ages for Natrolite at Bone Spring, Big Bend National Park, Brewster Co., Texas, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 48Ma - 26Ma 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-3633	38	26				41948	Bone Spring, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-3634	38	26				41948	Bone Spring, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-3635	38	26				41948	Bone Spring, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-3639	48	38				41948	Bone Spring, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-3641	38	26				41948	Bone Spring, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT