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

mindat Locality ID: 217281
mindat URL: http://www.mindat.org/loc-217281.html

Tectonic Settings:

Total number of sublocalities beneath "North Columbia District (Columbia Hill District), Nevada Co., California, USA": 38
Total number of bottom-level sublocalities: 35

Number of Child Localities: 2
Child Localities:
Columbia Hill
North Columbia

Latitude: 39°22'51"N
Longitude: 120°58'38"W
Decimal Degree (lat, lon): 39.380833333333,-120.97722222222

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	Calcite	Chalcopyrite	Clinozoisite	Copper	Corundum	Epidote	None	Pyrite	Quartz
Rocksalt	Sphalerite	Spinel	Zircon

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: Al As Au C Ca Cu Fe H O Pb S Si Ti Zn Zr

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Chalcopyrite Clinozoisite Copper Corundum Epidote None Pyrite Quartz
Rocksalt Sphalerite Spinel Zircon

12 IMA Minerals at location:

Arsenopyrite ()*	Chalcopyrite ()*	Epidote ()*	Galena ()*	Gold ()*
Ilmenite ()*	Magnetite ()*	Pyrite ()*	Quartz ()*	Siderite ()*
Sphalerite ()*	Zircon ()*

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
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	166173	8173
Galena ()*	Rocksalt	PbS	2	166146,166149	24243
Gold ()*	Copper	Au	19	166143,166144,166146,166147,166148,166149,166150,166151,166152,166153,166159,166160,166161,166162,166164,166167,166170,166171,166173	30554
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	1	166173	5433
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	1	166173	14899
Pyrite ()*	Pyrite	FeS₂	2	166146,166173	39462
Quartz ()*	Quartz	SiO₂	13	166144,166146,166147,166148,166149,166151,166152,166153,166160,166161,166162,166164,166173	61156
Siderite ()*	Calcite	Fe(CO₃)	1	166173	6417
Sphalerite ()*	Sphalerite	ZnS	2	166146,166149	21482
Zircon ()*	Zircon	Zr(SiO₄)	1	166173	5251

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...