Ages for Dumortierite at Los Angeles Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1205Ma - 13Ma 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
  Bradley_2012_125	1205	1167	Zircon			28941	San Gabriel Mts, Los Angeles Co., California, USA	McCauley and Bradley (2014)	CM52_183
  NAVDAT-31416	17.5	16.5				81190	Collecting Site Mine, Antelope Valley, Acton, Acton District, Los Angeles Co., California, USA	NAVDAT	NAVDAT
  NAVDAT-31418	21.1	18.1				81446	Sheba Fertilizer Deposit, Alpine, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles Co., California, USA	NAVDAT	NAVDAT
  NAVDAT-7123	16	13				263811	Melanophlogite Outcrop, Archstone, Agoura Hills, Santa Monica Mts, Los Angeles Co., California, USA	NAVDAT	NAVDAT