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:
Columbia Hill, North Columbia District (Columbia Hill District), Nevada Co., California, USA

mindat Locality ID: 267757
mindat URL: http://www.mindat.org/loc-267757.html

Tectonic Settings:

Total number of sublocalities beneath "Columbia Hill, North Columbia District (Columbia Hill District), Nevada Co., California, USA": 22
Total number of bottom-level sublocalities: 21

Number of Child Localities: 19
Child Localities:
Black Sand Mine
Bonney Placer
Crystal Ledge And Fidelity Placer Mine
Defiance Group (Defiance Claim; West Defiance Claim; Extension Of Defiance Claim; Excelsior Extension Claim; Last Chance; Detiance Group Mine; Detiance Gp)
Delhi - St. Gothard Consolidated Mine (Delhi - St. Gothard Mine)
Enterprise Quartz Mine (Enterprise Qtz.; Enterprise Mine)
Espy Placer Mine
Excelsior Quartz Mine
Great Bear; Grey Eagle And Springer Mine (Great Bear; Grey Eagle & Springer)
Grizzley Ridge Mine (McAusland)
Live Oak And Minuet Occurrence (Live Oak & Minuet)
Middle Yuba Mining Company Claim (Middle Yuba River)
Middle Yuba River Placer [5]
Old Henry Placer
Searls Property
Unnamed Au Occurrences [25]
West Delhi Mine (Defiance Mine; Defiance Extension Mine; Excelsior Extension Mine; Defiance Ext.; Excelsior Ext.)
Yuba River Quartz Mine
Yuba River Quartz Mine Company Extension Quartz Mine (Yuba River Qtz; Yuba River Quartz And Extension; Yuba River Q.M. Co Ext Qtz)

Latitude: 39°24'18"N
Longitude: 120°58'9"W
Decimal Degree (lat, lon): 39.405,-120.96916666667

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.

Arsenopyrite	Chalcopyrite	Copper	None	Pyrite	Quartz	Rocksalt	Sphalerite

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: As Au Cu Fe O Pb S Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Chalcopyrite Copper None Pyrite Quartz Rocksalt Sphalerite

7 IMA Minerals at location:

Arsenopyrite ()*	Chalcopyrite ()*	Galena ()*	Gold ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	166148	9052
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	1	166149	27198
Galena ()*	Rocksalt	PbS	2	166146,166149	24243
Gold ()*	Copper	Au	14	166143,166144,166146,166147,166148,166149,166150,166151,166152,166153,166159,166160,166161,166162	30554
Pyrite ()*	Pyrite	FeS₂	1	166146	39462
Quartz ()*	Quartz	SiO₂	11	166144,166146,166147,166148,166149,166151,166152,166153,166160,166161,166162	61156
Sphalerite ()*	Sphalerite	ZnS	2	166146,166149	21482

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...