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:
Holcomb Valley, Holcomb Valley District, San Bernardino Mts, San Bernardino Co., California, USA

mindat Locality ID: 273146
mindat URL: http://www.mindat.org/loc-273146.html

Tectonic Settings:

Total number of sublocalities beneath "Holcomb Valley, Holcomb Valley District, San Bernardino Mts, San Bernardino Co., California, USA": 28
Total number of bottom-level sublocalities: 27

Number of Child Localities: 18
Child Localities:
Artic Canyon Mine
Bucyrus Placer Mine
H.O.K. Mine
Holcomb Valley Placers
Little Nugget Mine
Mamouth Mine
Metzgar Placer Mine
Mountain Bear Consolidated Mine (Bear Claim; Mountain Bear Placers; Argos Claim)
Olio Mine
Osborne Mine (Mammoth Claim; Olio Claim; San Bernardino Claim)
Pocilio Mine (Pocilio Claim; Alma)
Redbird Lode Prospect (Red Bird)
Resevoir Claim (Resevoir; Extension Of Valley Consolidated Gold Mine; Ext. Of Valley Cons. Gold Mine)
San Bernardino Occurrence
Star Placer Mine
Unnamed Au Occurrence [2]
Unnamed Au Occurrence [4]
Unnamed Au Occurrence [9]

Latitude: 34°18'21"N
Longitude: 116°54'3"W
Decimal Degree (lat, lon): 34.305833333333,-116.90083333333

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.

Copper	None	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: Au O Si

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Copper None Quartz

2 IMA Minerals at location:

Gold ()*	Quartz ()*

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
Gold ()*	Copper	Au			9	173512,173513,173514,173515,173516,173519,173521,173522,173526	30554
Quartz ()*	Quartz	SiO₂			5	173512,173514,173516,173521,173522	61156

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...