Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA

Oldest recorded age at locality: 388
Youngest recorded age at locality: 388

mindat Locality ID: 235350
mindat URL: http://www.mindat.org/loc-235350.html

Tectonic Settings:

Total number of sublocalities beneath "Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA": 18
Total number of bottom-level sublocalities: 15

Number of Child Localities: 13
Child Localities:
Benner-Barrington Group (Benner And Barrington Group; Pine Cone Claim; Oakie Claim; Lucky Three Claim)
Clover Leaf Claim
Crescent Hill Consolidated Gold Mines Of California (Crescent Hill Mine)
Fido Claim (Union Chrome Company Deposit [World War 1])
Golden Horseshoe Mining Company
Horseshoe Nos. 1 & 2 Claims (King Snake Claim; Greenledge Claim)
Jordan Property
Last Chance Group (Meadow Claim; Last Chance Nos. 1 & 2 Claims)
Maurezzio Group (Deerhorn Claim; Deerhorn Extension Claim; Commander Extension Claim; Bottle Springs Claim; Bottlespring Claim)
McCarty Mine (Jitney Mine)
Tafft Occurrence
Unnamed Cr Occurrence (1)
Wonderful And Everett Placers

Latitude: 39°50'56"N
Longitude: 120°57'40"W
Decimal Degree (lat, lon): 39.848888888889,-120.96111111111

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

None	Spinel

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Cr Fe Mg O

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
None Spinel

2 IMA Minerals at location:

Chromite ()*	Magnesiochromite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	388	388	9	168338,168339,168341,168342,168344,168346,168348,168350,168352	3902
Magnesiochromite ()*	Spinel	MgCr₂O₄	388	388	1	168351	311

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00232	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	86140	Diamond Claim, Benner-Barrington Group (Benner And Barrington Group; Pine Cone Claim; Oakie Claim; Lucky Three Claim), Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA	Diamond Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00233	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	86685	White Fir Claim, Benner-Barrington Group (Benner And Barrington Group; Pine Cone Claim; Oakie Claim; Lucky Three Claim), Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA	White Fir Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00231	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	86099	Clover Leaf Claim, Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA	Clover Leaf Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00234	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	213060	Commander Claim, Maurezzio Group (Deerhorn Claim; Deerhorn Extension Claim; Commander Extension Claim; Bottle Springs Claim; Bottlespring Claim), Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA	Commander Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00230	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	86374	McCarty Mine (Jitney Mine), Crescent Hill, Middle Fork Of Feather River Area, Plumas Co., California, USA	McCarty	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...