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 Sierra Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 400Ma - 203Ma 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-00190	400	400			Cr	93430	Milton Claim (Redmayne And McGonigal Prospect), Sierra City, Sierra City District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00191	203	203			Cr	93571	Roupe Property (Big Chance; Camptonville Property; Big Chrome), Indian Hill, Indian Hill District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157

Mineralization age

Excel ID	Max Age (Ma)	Min Age (Ma)	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
podchrome-00186	388	388	Cr	216162	Gibsonville, Gibsonville District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00187	388	388	Cr	93431	White Bear Mine (Unnamed Cr-Au Mine [1]), Fir Cap, Downieville District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00188	388	388	Cr	93266	Fraction Claim (Golconda Mine), Red Ant, Downieville District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00189	388	388	Cr	93512	Oxford Mine (Oxford Mine And Mill; Oxford Lease And Mill; Becky; Case And Myers; Mt. Holly; Gold Bluff; Good Hope; Good Hope Extension No. 2; Jefferson No. 2 Claim; Milton Claim), Downieville, Downieville District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00190	400	400	Cr	93430	Milton Claim (Redmayne And McGonigal Prospect), Sierra City, Sierra City District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00191	203	203	Cr	93571	Roupe Property (Big Chance; Camptonville Property; Big Chrome), Indian Hill, Indian Hill District, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00192	388	388	Cr	93225	Doriss Mine (Dorriss; Chrome F N; Chrome P N), Forest, Alleghany District (Forest District), Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00193	388	388	Cr	93253	Evans Prospect (Oak), Forest, Alleghany District (Forest District), Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00194	388	388	Cr	93261	Finan Mine (F And F Group; Fainine; Finane Mine), Old Mountain House, Alleghany District (Forest District), Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00195	388	388	Cr	93404	Macchaus Mine, Mack House, Alleghany District (Forest District), Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00218	204	204	Cr	74350	Suzy Bell Mine (Lucky Strike Mine; Dickey And Driesbach Mine; Brendt No. 1 Claim), Sardine Peak, Sierra Co., California, USA	Moiser et al. (2012)	USGSSIR2012_5157

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
Michelle_0076	4.3	4.1		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0077	3.4	2.6		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0078	3.1	2.7		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0079	3.8	3.6		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0080	2.6	2.2		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0081	2.2	2		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0082	3.6	3.4		93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
Michelle_0083	3.4	3.2	Sanidine	93202	Cuba Placer Mine, China Flat, Downieville District, Sierra Co., California, USA	Fornaseri (1985)	RDSIMF40_73
NAVDAT-11206	6.27	5.13		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-11207	6.27	5.13		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-11216	6.27	5.13		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-11221	6.27	5.13		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130805	15	10		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130824	28	1		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130825	28	1		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130826	28	1		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130827	28	1		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130865	15	10		270500	Granite Peak, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130867	28	1		93624	Summit Queen Group, Crystal Peak, Dog Valley District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130869	28	1		93624	Summit Queen Group, Crystal Peak, Dog Valley District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130871	28	1		270394	Babbitt Peak, Dog Valley District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-130872	28	1		270394	Babbitt Peak, Dog Valley District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-15383	10	5		93478	Oakland Mine, Calpine, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-18290	11.2	5.3		93478	Oakland Mine, Calpine, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-35157	7.1	6.9		93478	Oakland Mine, Calpine, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87414	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87415	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87416	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87417	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87418	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87419	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87420	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87421	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87422	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87423	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87424	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87425	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87426	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87427	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87428	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT
NAVDAT-87429	272.8	223.2		93366	Depot Hill Placer Mine (Joubert; Brosseau; Depot Hill Mine And Mill; Joubert Diggings), Indian Hill, Indian Hill District, Sierra Co., California, USA	NAVDAT	NAVDAT