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:
Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA

Oldest recorded age at locality: 19.8
Youngest recorded age at locality: 14.6

mindat Locality ID: 271540
mindat URL: http://www.mindat.org/loc-271540.html

Tectonic Settings:

Total number of sublocalities beneath "Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA": 11
Total number of bottom-level sublocalities: 10

Number of Child Localities: 10
Child Localities:
Apache Mine (Holland)
Big Four Claim (El Paso Mtn. Placers)
Colorado Camp Group (Golden Imp Vein; Copper King Vein; Marty Veins; Layman; Walsh; Walsh McCloude; French)
Grandad Group
Iron Hat Group
Loophole Claims
Ora No. 1 Claim (Ora #1 Claim)
Scorpion Claim
Smith Mine (Schmidt; Iron Hat)
Sunshine Claim [1]

Latitude: 35°27'41"N
Longitude: 117°51'"W
Decimal Degree (lat, lon): 35.461388888889,-117.85

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.

Chalcopyrite	Copper	Malachite	None	Pyrite	Quartz

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: Ag Au C Cu Fe H O S Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Copper Malachite None Pyrite Quartz

6 IMA Minerals at location:

Chalcopyrite ()*	Gold ()*	Malachite ()*	Pyrite ()*	Quartz ()*
Silver ()*

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
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			4	159383,159385,159388,159392	27198
Gold ()*	Copper	Au	19.8	16.2	2	159384,159391	30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			1	159383	12537
Pyrite ()*	Pyrite	FeS₂			2	159383,159392	39462
Quartz ()*	Quartz	SiO₂			5	159385,159386,159388,159389,159392	61156
Silver ()*	Copper	Ag			2	159383,159385	5186

4 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Sample Source	Sample Num	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
NAVDAT-12532	17.6	16.6	17.1±0.5	whole rock	12532	271540	Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA	NAVDAT	NAVDAT
NAVDAT-12533	15.6	14.6	15.1±0.5	whole rock	12533	271540	Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA	NAVDAT	NAVDAT
NAVDAT-12534	19.5	16.3	17.9±1.6	whole rock	12534	271540	Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA	NAVDAT	NAVDAT
NAVDAT-12540	19.8	16.2	18±1.8		12540	80466	Scorpion Claim, Black Mountain, El Paso Mountains District, El Paso Mts, Kern Co., California, USA	NAVDAT	NAVDAT

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...