Ages for Chromite at Missouri, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 407Ma - 358Ma 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
  AJS265_848-00009	407	369				44231	Avon Diatreme, Ste. Genevieve Co., Missouri, USA	Zartman et al. (1967)	AJS265_848
  AJS265_848-00008	396	358				44231	Avon Diatreme, Ste. Genevieve Co., Missouri, USA	Zartman et al. (1967)	AJS265_848

• 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
  AJS265_848-00008	396	358				44231	Avon Diatreme, Ste. Genevieve Co., Missouri, USA	Zartman et al. (1967)	AJS265_848
  AJS265_848-00009	407	369				44231	Avon Diatreme, Ste. Genevieve Co., Missouri, USA	Zartman et al. (1967)	AJS265_848
  EG80_739-00001	360	360				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00002	372	372				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00003	370	370				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00004	375	375				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00005	377	377				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00006	366	366				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00007	384	384				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  EG80_739-00011	381	337				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Stein and Kish (1985)	EG80_739
  Kristen002189	386	386				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002190	379	379				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002191	392	392				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002192	392	392				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002193	389	389				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002194	354	354				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002195	408	366				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002196	373	363				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  Kristen002197	374	364				3866	Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA	Grant et al. (1984)	IG2_217
  ree-00676	1480	1480				3868	Pea Ridge Mine, Washington Co., Missouri, USA	Orris and Grauch (2002)	USGSOFR02_189
  sedexmvt-00222	497	485				3871	Buick Mine (Amax Buick Mine; Moloc Mine), Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Taylor et al. (2009)	USGSOFR2009_1297
  sedexmvt-00227	497	485				11958	Indian Creek Mine, Ebo, Viburnum Trend District, Washington Co., Missouri, USA	Taylor et al. (2009)	USGSOFR2009_1297
  sedexmvt-00229	497	485				3860	Magmont Mine, Bixby, Viburnum Trend District, Iron Co., Missouri, USA	Taylor et al. (2009)	USGSOFR2009_1297
  sedexmvt-00239	497	485				3861	Viburnum No. 27 Mine, Crawford Co., Missouri, USA	Taylor et al. (2009)	USGSOFR2009_1297
  sedexmvt-00240	497	485				26180	West Fork Mine, West Fork, Viburnum Trend District, Reynolds Co., Missouri, USA	Taylor et al. (2009)	USGSOFR2009_1297
  USGS-Rb-Sr-00260	1521.74	1521.74				25512	St. Francisville, Clark Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-00261	1229.07	1069.07				25512	St. Francisville, Clark Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04942	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04943	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04948	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04949	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04950	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04951	1338.14	1154.14				291870	Sheahan Granite Quarry, Iron Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04952	1296.99	1208.99				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04953	1296.99	1208.99				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04954	1150.16	1062.16				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04955	1150.16	1062.16				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04956	1150.16	1062.16				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04957	1150.16	1062.16				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr
  USGS-Rb-Sr-04958	1296.99	1208.99				44209	Johnson Shut-Ins State Park, Reynolds Co., Missouri, USA	USGS-Rb-Sr	USGS-Rb-Sr

• Locality age (remote)

• 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
  G28_795_001	68	64	Calcite			12395	Picher Field, Tri-State District, Ottawa Co., Oklahoma, USA	Coveney et al. (2000)	G28_795