Ages for Columbite-(Fe) at Northwest Territories, Canada

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2598Ma - 2100Ma 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
  Kristen002503	2598	2594				517	Peg Tantalum, Yellowknife Pegmatite Field, Northwest Territories, Canada	Tkachev (2011)	GSLSP350_7
  ree-00227	2100	2100				25762	Nechalacho Deposit, Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, Canada	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
  Bradley_2012_011	2589	2561	Muscovite			24669	Yellowknife, Mackenzie District, Northwest Territories, Canada	McCauley and Bradley (2014)	CM52_183
  Bradley_2012_142	92	88				34711	Little Nahanni River, Tungsten, Northwest Territories, Canada	McCauley and Bradley (2014)	CM52_183
  Emily000259	1860	1860				518	Great Bear Lake, Mackenzie District, Northwest Territories, Canada	Kissin (1993)	GC19_113
  Emily000260	1500	1500				518	Great Bear Lake, Mackenzie District, Northwest Territories, Canada	Kissin (1993)	GC19_113
  Jen_0000015	2611	2601				264908	Yellowknife Pegmatite Field, Northwest Territories, Canada	Černý (1991)	PR51_429
  Jen_0001059	1785	1785				302283	Big Spruce Lake Carbonatite, Mazenod Lake District, Northwest Territories, Canada	Woolley and Kjarsgaard (2008)	GSCOF5796
  Jen_0001458	382.7	358.9				106895	NUG 4 Claim, Nahanni River Area, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Poulin et al. (2016)	CM54_1147
  Jen_0001466	91.4	91.4	Scheelite			9583	Cantung Mine, Tungsten, Northwest Territories, Canada	Poulin et al. (2016)	CM54_1147
  Kristen002128	1650	1450				519	Eldorado Mine, Port Radium District, Great Bear Lake, Mackenzie District, Northwest Territories, Canada	Robinson and Morton (1971)	CJES9_158
  Kristen002129	1510	1395			U	516	Echo Bay Mine (Cross Fault Shaft), Port Radium District, Great Bear Lake, Mackenzie District, Northwest Territories, Canada	Miller (1982)	CJES19_1428
  Kristen002503	2598	2594				517	Peg Tantalum, Yellowknife Pegmatite Field, Northwest Territories, Canada	Tkachev (2011)	GSLSP350_7
  MT2015_Milton_0001	648	622				68115	Coates Lake Deposit, Redstone, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Milton (2015)	MT2015_Milton
  MT2015_Milton_0002	776	774	Zircon			68115	Coates Lake Deposit, Redstone, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Milton (2015)	MT2015_Milton
  ree-00227	2100	2100				25762	Nechalacho Deposit, Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, Canada	Orris and Grauch (2002)	USGSOFR02_189
  sedcu-00104	750	750			Cu	68115	Coates Lake Deposit, Redstone, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Cox et al. (2003)	USGSOFR03_107
  sedexmvt-00074	485	470				247048	Prairie Creek, Nahanni River Area, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Taylor et al. (2009)	USGSOFR2009_1297
  sedznpb-00123	458	408				247048	Prairie Creek, Nahanni River Area, Mackenzie Mts, Mackenzie District, Northwest Territories, Canada	Singer et al. (2009)	USGSOFR2009-1252