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 Magnesiochromite at Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 164Ma - 164Ma 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-00310	164	164			Cr	76835	Pecwan Mine (Pecwan Deposit; Englebright Mine; New Moon Mine), Pecwan Creek, Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, 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-00310	164	164			Cr	76835	Pecwan Mine (Pecwan Deposit; Englebright Mine; New Moon Mine), Pecwan Creek, Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00311	164	164			Cr	76936	Wilder Mine (Fish Creek; Man O'War Claims), Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157