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 Douglas Co., Oregon, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 240Ma - 163Ma 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
podchrome-00418	240	240			Cr	148911	Frozen Creek Mine, Umpqua, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00417	163	163			Cr	151160	Rainy Day (Days Creek), Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157

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-00412	163	163			Cr	150136	Lucky Nine Group (Davis; Baxter; Pansy), Riddle District, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00413	163	163			Cr	150136	Lucky Nine Group (Davis; Baxter; Pansy), Riddle District, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00414	163	163			Cr	149966	Linda Marie (Triple L), Riddle District, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00415	163	163			Cr	147594	Black Boy (Starvout Group), Riddle District, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00416	163	163			Cr	148876	Four Point Chrome Claim, Riddle District, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00417	163	163			Cr	151160	Rainy Day (Days Creek), Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00418	240	240			Cr	148911	Frozen Creek Mine, Umpqua, Douglas Co., Oregon, USA	Moiser et al. (2012)	USGSSIR2012_5157

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
NAVDAT-10981	65	1.8				153501	Zinc Mine, Tiller - Drew, Douglas Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-44333	39	35				148252	Copper Butte Prospect, Tiller - Drew, Douglas Co., Oregon, USA	NAVDAT	NAVDAT
NAVDAT-6950	25	17				148984	Glucinum Group, Douglas Co., Oregon, USA	NAVDAT	NAVDAT