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:
Cornucopia District, Baker Co., Oregon, USA

mindat Locality ID: 49790
mindat URL: http://www.mindat.org/loc-49790.html

Tectonic Settings:

Total number of sublocalities beneath "Cornucopia District, Baker Co., Oregon, USA": 32
Total number of bottom-level sublocalities: 29

Number of Child Localities: 27
Child Localities:
Anchorage Exploration Company Mine (Anchorage Exploration Company Placer)
Aurous Mining Company Mine (Aurous Mining Company Drift Placer)
Bonanza Mine (2)
Carnagey William M
Carnahan Occurrence (Eagle Cap Wilderness)
Cliff Creek Occurrence (Cliff River Extension; Snowbird; Cuff River; Happy Jack; Eagle Cap Wilderness)
Conundrum Group
Copper Queen Group
Cornucopia
Cornucopia Gold Mines (Union-Companion; Last Chance; Valley View; Cornucopia Mines Group; Red Jacket)
Cornucopia Mine
E & M Prospect (George W. Smith Claims)
East Pine Creek Occurrence
Farwest Milling And Mining Company Placer (Cold Spring Mining Company Placer)
Jackley Claims
Jim Fisk Occurrence
Little Eagle Creek Occurrence
Mayflower Mine (Last Chance Vein)
Milton Steinmetz Property (Cornucopia Mineras; Pine Creek Placer; Underwood Placer)
Norway Mine (Eagle Cap Wilderness; Steen-Lindgren Claims)
Pine Creek Mining Company Placer
Queen Of The West Mine (Red Cross)
Red Boy And Mt. Chief Prospect
Red Mountain Prospect (Jack Of Diamonds Claims; Eagle Cap Wilderness)
Simmons
Smith George W. Claims
Unnamed Gold Mine (MRDS - 10298411)

Latitude: 45°0'54"N
Longitude: 117°12'53"W
Decimal Degree (lat, lon): 45.015,-117.21472222222

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.

Calcite	Chalcopyrite	Copper	Malachite	Melonite	None	Not in a structural group	Pyrite	Quartz	Rocksalt
Sphalerite	Tetrahedrite

Calcite ()*	Chalcopyrite ()*	Coloradoite ()*	Cuprite ()*	Galena ()*
Gold ()*	Hessite ()*	Malachite ()*	Petzite ()*	Pyrite ()*
Quartz ()*	Sphalerite ()*	Stützite ()*	Sylvanite ()*	Tetrahedrite-(Zn) ()*

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 Ca Cu Fe H Hg O Pb S Sb Si Te Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Calcite Chalcopyrite Copper Malachite Melonite None Not in a structural group Pyrite Quartz Rocksalt
Sphalerite Tetrahedrite

15 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Calcite ()*	Calcite	Ca(CO₃)	1	255195	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	6	255179,255182,255190,255195,255196,255198	27198
Coloradoite ()*	Sphalerite	HgTe	1	255179	169
Cuprite ()*	Not in a structural group	Cu₂O	1	255176	2970
Galena ()*	Rocksalt	PbS	5	255179,255182,255195,255196,255198	24243
Gold ()*	Copper	Au	1	255179	30554
Hessite ()*	None	Ag₂Te	1	255179	804
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	2	255174,255190	12537
Petzite ()*	None	Ag₃AuTe₂	2	255179,255182	409
Pyrite ()*	Pyrite	FeS₂	11	255173,255174,255182,255185,255186,255190,255193,255195,255196,255197,255198	39462
Quartz ()*	Quartz	SiO₂	7	255174,255185,255190,255193,255195,255197,255198	61156
Sphalerite ()*	Sphalerite	ZnS	3	255179,255182,255195	21482
Stützite ()*	None	Ag_5-xTe₃ (x = 0.24-0.36)	1	255179	92
Sylvanite ()*	Melonite	AgAuTe₄	2	255179,255182	337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	1	255179	5317

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...