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 Quartz at Spangler Hills, San Bernardino Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 150Ma - 146Ma 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
NAVDAT-52660	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT

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
Michelle_477	147	147	Zircon			272773	Spangler Hills, San Bernardino Co., California, USA	Chen and Moore (1982)	AJS299_93
NAVDAT-52660	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52661	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52662	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-52663	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-93158	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-93159	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-93160	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT
NAVDAT-93161	150	146				80508	Spangler Mine (Stephens Holdings Mines [?]), Spangler District, Spangler Hills, San Bernardino Co., California, USA	NAVDAT	NAVDAT