Ages for Magnetite at Pierce Co., Washington, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 19.8Ma - 16.2Ma at this locality

• Age range from children

• 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-60037	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT

• 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-60037	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-60038	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9275	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9286	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9288	19.8	16.2				15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9293	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9295	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9296	19.8	16.2				15281	Mazama Ridge, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9298	19.8	16.2				15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9310	19.8	16.2				15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT
  NAVDAT-9313	19.8	16.2				15770	Plummer Peak, Mount Rainier National Park, Pierce Co., Washington, USA	NAVDAT	NAVDAT