Ages for Orthoclase at Rattlesnake Mts, 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 38Ma - 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-33420	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33421	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33422	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33423	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33424	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33425	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33426	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT
  NAVDAT-33427	38	26				41951	Rattlesnake Mts, Big Bend National Park, Brewster Co., Texas, USA	NAVDAT	NAVDAT