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 Chromite at West Pit (Grau Pit), Grau Mine (Gruu Mine), North Elder Creek Group (Joyce Mine; Hill Mine; Noble Electric Steel Company Mine; SW Hill Mine; Elder Creek Mine), Tehama Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 167Ma - 167Ma at this locality

Mineralization 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
podchrome-00303	167	167			Cr	96049	West Pit (Grau Pit), Grau Mine (Gruu Mine), North Elder Creek Group (Joyce Mine; Hill Mine; Noble Electric Steel Company Mine; SW Hill Mine; Elder Creek Mine), Tehama Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157

Mineralization 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
podchrome-00302	167	167			Cr	95991	Grau Mine (Gruu Mine), North Elder Creek Group (Joyce Mine; Hill Mine; Noble Electric Steel Company Mine; SW Hill Mine; Elder Creek Mine), Tehama Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157