Ages for Magnetite at Valley Co., Idaho, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 48Ma - 0.01Ma 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
  Hg-00094	48	45		Cinnabar, Metacinnabar, Polhemusite	Hg	39611	Big Creek District, Valley Co., Idaho, USA	Leonard et al. (1978); Leonard and Marvin (1982); Criss et al. (1984)
  ree-00721	2.6	0.01				137582	Gold Fork-Little Valley Placers (Upper Gold Fork Placers; Lower Gold Fork Placers; Little Valley Placers), Long Valley District, Valley Co., Idaho, USA	Orris and Grauch (2002)	USGSOFR02_189

• 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
  Hg-00094	48	45		Cinnabar, Metacinnabar, Polhemusite	Hg	39611	Big Creek District, Valley Co., Idaho, USA	Leonard et al. (1978); Leonard and Marvin (1982); Criss et al. (1984)
  NAVDAT-12077	49	45				136426	Catherine Lake Prospect, Idaho Primitive Area, Monumental Creek District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-12078	49	45				137584	Gold Hill Group, Idaho Primitive Area, Edwardsburg District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-12079	49	45				135901	Big Creek Gold Mines Placer, Idaho Primitive Area, Edwardsburg District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-12084	48	47				135851	Belvidere Creek Occurrence, Edwardsburg District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-12086	46	45				139281	Mountain View Placer, Idaho Primitive Area, Marble Creek District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-12088	49	45				135851	Belvidere Creek Occurrence, Edwardsburg District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-14202	80	70				139643	Panther Prospect, Unorganized District, Middle Fork Payette River Area, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-20807	95	85				136886	Deadwood, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-49695	52	44				139383	New Hope Mine, Thunder Mountain District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  NAVDAT-51197	52	44				139383	New Hope Mine, Thunder Mountain District, Valley Co., Idaho, USA	NAVDAT	NAVDAT
  ree-00714	2.6	0.01				135812	Bear Valley Placer, Valley Co., Idaho, USA	Orris and Grauch (2002)	USGSOFR02_189
  ree-00715	2.6	0.01				135907	Big Creek Placers (MRDS - 10193274), Long Valley District, Valley Co., Idaho, USA	Orris and Grauch (2002)	USGSOFR02_189
  ree-00721	2.6	0.01				137582	Gold Fork-Little Valley Placers (Upper Gold Fork Placers; Lower Gold Fork Placers; Little Valley Placers), Long Valley District, Valley Co., Idaho, USA	Orris and Grauch (2002)	USGSOFR02_189

• Locality age (deprioritized)

• 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
  ree-00694	541	541				139200	Monumental Summit Rare - Earth Prospect, Idaho Primitive Area, Thunder Mountain District, Valley Co., Idaho, USA	Orris and Grauch (2002)	USGSOFR02_189