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:
Ophir, Ophir District (Auburn District; Duncan Hill District), Placer Co., California, USA

mindat Locality ID: 209243
mindat URL: http://www.mindat.org/loc-209243.html

Tectonic Settings:

Total number of sublocalities beneath "Ophir, Ophir District (Auburn District; Duncan Hill District), Placer Co., California, USA": 40
Total number of bottom-level sublocalities: 39

Number of Child Localities: 38
Child Localities:
88 Quartz Mine
Adams Mine
Belvoir Vein
Black Jack Claim
Black Spanish No. 2 Mine
Blue Eagle Mine (June Bug)
Boulder Mine (Bowlder Mine)
Bullion Mine (Oro Fina; Bullion No. 1-2)
California-Crandell Vein (California-Crandall Vein; California Vein)
Cooper Claim
Crater Hill Mine (Crater Hill Consolidated Mine; Crater Hill Cons.; Crater Hills Mine; Crater Mine; Crater Vein)
Doig Consolidated Mine (Doig Mine; Doig Cons.; St. Patrick Mine)
Dois Vein
Dolores And Black Spanish Mine (Dolores & Black Spanish Lode Claim)
Enterprise Mine
Eureka Mine
Franklin Mine (Franklin Claim; Quinn Claim; Quincy Claim)
Globe Consolidated Mine (Globe Cons. Mine)
Gold Blossom Mine (Gold Blossom Shaft; Gold Blossom Vein; Marion Lode; Ohio Claim; Back Action Claim; Gold Blossom No. 2 Claim)
Good Hope Mine
Grass Ravine Vein
Hathaway - Plant 2 Vein
Hathaway Mine (Buttes Mine)
Hill Claim
Julian Mine (Bowlder; Schnabel)
Kittler Consolidated Mine (Kittler Cons.; Orpheum Mining Company)
Morning Star And Rocky Ridge Mine (Morning Star Mine)
New Era And Brush Fence Mines (New Era Brush Fence Mines)
Oro Fina Mine (Bullion; Bullion Nos. 1-2)
Peachy Consolidated Mine (Peachy Cons.)
Pinkeye And Demijohn Claims (Pinkeye & Demijohn Claims)
Quinn Mine (Green-Walter; Good Friday Cornucopia Mine [Alamath Shaft])
Razzle Dazzle Mine
Red Ravine Placer Claim
Rocky Ridge Mine (Rocky Ridge Vein)
Spanish Mine [1] (Central Consolidated Mine; Central Cons.; Spanish & Humbug Cons. Claims; Humbug Mine; Spanish Vein)
St. Lawrence Mine
White Cloud Claim

Latitude: 38°53'54"N
Longitude: 121°7'23"W
Decimal Degree (lat, lon): 38.898333333333,-121.12305555556

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	Marcasite	None	Pyrite	Quartz	Rocksalt	Sphalerite	Stibnite
Tetrahedrite

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 Pb S Sb Si Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Chalcopyrite Copper Malachite Marcasite None Pyrite Quartz Rocksalt Sphalerite Stibnite
Tetrahedrite

12 IMA Minerals at location:

Chalcopyrite ()*	Copper ()*	Galena ()*	Gold ()*	Malachite ()*
Marcasite ()*	Pyrite ()*	Quartz ()*	Silver ()*	Sphalerite ()*
Stibnite ()*	Tetrahedrite-(Zn) ()*

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	3	167578,167590,167595	27198
Copper ()*	Copper	Cu	1	167591	3846
Galena ()*	Rocksalt	PbS	7	167572,167578,167583,167588,167595,167598,167609	24243
Gold ()*	Copper	Au	32	167571,167572,167574,167575,167576,167577,167578,167579,167580,167582,167583,167584,167586,167587,167588,167589,167591,167592,167595,167596,167597,167598,167599,167600,167602,167603,167604,167605,167607,167608,167609,167610	30554
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	1	167590	12537
Marcasite ()*	Marcasite	FeS₂	1	167595	5674
Pyrite ()*	Pyrite	FeS₂	11	167574,167575,167578,167584,167588,167590,167591,167595,167605,167608,167609	39462
Quartz ()*	Quartz	SiO₂	30	167571,167572,167575,167576,167577,167578,167580,167582,167583,167584,167586,167587,167588,167589,167591,167592,167595,167596,167597,167598,167599,167600,167602,167603,167604,167605,167607,167608,167609,167610	61156
Silver ()*	Copper	Ag	1	167591	5186
Sphalerite ()*	Sphalerite	ZnS	2	167591,167595	21482
Stibnite ()*	Stibnite	Sb₂S₃	1	167609	3418
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	3	167574,167579,167591	5317

No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

All age data...