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:
Claremont, Rock Creek District, Plumas Co., California, USA

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

mindat Locality ID: 236301
mindat URL: http://www.mindat.org/loc-236301.html

Tectonic Settings:

Total number of sublocalities beneath "Claremont, Rock Creek District, Plumas Co., California, USA": 11
Total number of bottom-level sublocalities: 9

Number of Child Localities: 9
Child Localities:
Cattle Spring Claims Nos. 1 & 2 (Sundown Mining Company 1943)
Cedar Flat Claim
Cough Group (Cough Group Nos. 1-3 Claims; Spice; Pepper Claim [No. 3 Claim]; Salt Extension Claim)
Eddelbuttel Occurrence
General MacArthur Occurrence (General Wainwright Occurrence; General MacArthur; General Wainwright Occurrences)
Pine Flat Nos. 1-3 Claims (Bald Mountain No. 1-2 Claims 1937)
Unnamed Placer Au Occurrence (59)
White Pine Mine (Bear Claim)
White Pine Mine Area

Latitude: 39°52'19"N
Longitude: 120°59'27"W
Decimal Degree (lat, lon): 39.871944444444,-120.99083333333

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.

Clay	Copper	None	Spinel	Talc

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: Au Cr Fe H Mg O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Clay Copper None Spinel Talc

4 IMA Minerals at location:

Chromite ()*	Gold ()*	Magnesiochromite ()*	Talc ()*

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	7	168626,168627,168628,168629,168630,168631,168632	3902
Gold ()*	Copper	Au			1	168633	30554
Magnesiochromite ()*	Spinel	MgCr₂O₄	388	388	1	168634	311
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	388	388	1	168634	3337

3 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-00229	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	86083	Cattle Spring Claims Nos. 1 & 2 (Sundown Mining Company 1943), Claremont, Rock Creek District, Plumas Co., California, USA	Cattle Springs Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00228	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	86538	Salt Claim (Spot Claim), Cough Group (Cough Group Nos. 1-3 Claims; Spice; Pepper Claim [No. 3 Claim]; Salt Extension Claim), Claremont, Rock Creek District, Plumas Co., California, USA	Spot Claim	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00227	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	86689	White Pine Mine (Bear Claim), Claremont, Rock Creek District, Plumas Co., California, USA	White Pine	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...