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 Butte Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 204Ma - 165Ma 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-00210	204	204			Cr	74203	Liberty Bond Claim, Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
USGS-U-Th-Pb-02573_206_238	165	165	Zircon			245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

Mineralization age

Excel ID	Max Age (Ma)	Min Age (Ma)	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
podchrome-00198	204	204	Cr	74017	Anti-Axis Claim, Forks Of Butte, Faust District (Forrest District), Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00199	204	204	Cr	74195	Lambert Mine 3 (Lambert Mine), Irish Town, Magalia District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00200	204	204	Cr	74074	Christian Place Occurrence, Sawmill Peak, Magalia, Magalia District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00201	204	204	Cr	74271	Parkeson Claim (Old Utah Mine), Sawmill Peak, Magalia, Magalia District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00202	204	204	Cr	74326	Simmons Prospect (Sunnyslope; Nerva Claim), Pulga, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00203	204	204	Cr	74319	Section 35 Mine (Little Corbett Lease; Grahm-King Lease), Pulga, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00204	204	204	Cr	74343	Stewart Mine (Brune And Stanley Property; Big Bar Lease; Agard And Stewart Lease), Pulga, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00205	204	204	Cr	74205	Little Hope And Mary Jane Claims, Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00206	204	204	Cr	74205	Little Hope And Mary Jane Claims, Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00207	204	204	Cr	74352	Swayne Mine (Big Pine Claim), Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00208	204	204	Cr	74318	Section 13 Occurrence (Happy Hollow; Southern Pacific Property; April Fool [?]), Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00209	204	204	Cr	74352	Swayne Mine (Big Pine Claim), Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00210	204	204	Cr	74203	Liberty Bond Claim, Big Bar Mountain, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00211	204	204	Cr	74152	Green Ridge Claim (Dynamite Kid; Wells Mine; WW I), Yankee Hill, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00212	204	204	Cr	74160	Hendricks No. 2 Occurrence, Parish Camp, Sausage Mountain, Messila District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00213	204	204	Cr	74355	Taylor Property (The Gray Boy Deposit; W.W. I), Parish Camp, Sausage Mountain, Messila District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00214	204	204	Cr	74178	Park's Ranch Mine (Lime Saddle; Iron Point; Curtis Mine; J.G. Curtis Property; J. G. Curtis Property Parke's Ranch Mine), Sausage Mountain, Messila District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00215	204	204	Cr	74036	Big Bend Occurrence (Norris And Noyes Property), Pompys Point, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00216	204	204	Cr	74256	North Star Mine, Rogerville, Feather Falls District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00217	204	204	Cr	74095	Dickey And Dreisbach Prospect, Clipper Mills, Clipper Mills District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00219	204	204	Cr	74266	P.U.P. Mine (P.U.P. Zenith Mine; Zenith Chrome Mining Company Mine; Zenith Mine), Forbestown, Forbestown District, Butte Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
NAVDAT-20404	1.8	0.01			74421	Unnamed Stone Quarry (1), Richardson Springs, Butte Co., California, USA	NAVDAT	NAVDAT
USGS-U-Th-Pb-02573_206_238	165	165	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02573_207_206	169	169	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02573_207_235	165	165	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02574_206_238	173	173	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02574_207_206	179	179	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02574_207_235	173	173	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02575_206_238	181	181	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02575_207_206	185	185	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02575_207_235	182	182	Zircon		245590	Parkhill, Butte Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
vms-01022	170	170		S	74035	Big Bend Mine (Evening Star Mine; Evening Star Claim; Pinkston Mine), Big Bend Mountain, Big Bend, Butte Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034