Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Beidellite at Echo Cliffs (Base Of Echo Cliffs Bentonite Deposit; Echo Cliffs Clay Deposit), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 223Ma - 94Ma at this locality

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
Giersdorf_00000574	181	161	Uraninite	Uraninite	U	19006	Huskon No. 7 Mine (Huskon No. 7 - Yazzie No. 102 Mine; Yazzie No. 102 Mine), Huskon Mines, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000575	217	197	Uraninite	Uraninite	U	19006	Huskon No. 7 Mine (Huskon No. 7 - Yazzie No. 102 Mine; Yazzie No. 102 Mine), Huskon Mines, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000577	132	124	Uraninite	Uraninite	U	43065	Alyce Tolino Mine, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000578	223	213	Uraninite	Uraninite	U	43065	Alyce Tolino Mine, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000580	102	94	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000581	155	145	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000583	166	158	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000584	200	190	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609

Locality age (deprioritized) (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
Giersdorf_00000576	730	650	Uraninite	Uraninite	U	19006	Huskon No. 7 Mine (Huskon No. 7 - Yazzie No. 102 Mine; Yazzie No. 102 Mine), Huskon Mines, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000579	1480	1320	Uraninite	Uraninite	U	43065	Alyce Tolino Mine, Cameron, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000582	1170	1090	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000585	830	730	Uraninite	Uraninite	U	52997	Ramco No. 20 Mine (Ramco No. 20 Claim), Cameron Area, Cameron Mining District, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609