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:
Washington, Washington District (Omega District), Nevada Co., California, USA

Oldest recorded age at locality: 388
Youngest recorded age at locality: 388

mindat Locality ID: 211900
mindat URL: http://www.mindat.org/loc-211900.html

Tectonic Settings:

Total number of sublocalities beneath "Washington, Washington District (Omega District), Nevada Co., California, USA": 38
Total number of bottom-level sublocalities: 37

Number of Child Localities: 33
Child Localities:
Asbestos Quartz Lode And Mill
Black Quartz Mine
Cotton King Mine (Lent; January Lode)
F. W. Bradley's Barite Property
Fairview Mine (California Mining Company; Calumet)
Flintlock Mine
Foster Bar Placer Mine
Gillis Mine
Greystone Group Mine (Greystone Gp.)
Logan Creek Placer Mine
Lucky Al Consolidated Quartz Mine (Lucky Al Con Qtz; Lucky Al Consolidated)
Lucky Strike Placer Mine [1]
Moscatelli No. 1 Claim (Pete Moscatelli Chrome Occurrence)
Moscatelli No. 2 Property (Lucky Bluff Claim [WWI]; Lucky Friday Claim)
Oakman Group [2] (Lady Oakman Vein)
Oakman Group Mine [1]
Rapid Fire Claim
Red Ledge Mine
Red Lodge Mine
Red Point Mine
Sandy Hook Placer
Slug Lode Mine (Slug Group)
Solace Quartz Mine (Solace Qtz.; Solace)
South Yuba River Placer [1]
Spanish Quartz Mine (Spanish Qtz.; Spanish Mine; Spanish Mng. & S F Com. Co.; Spanish Mng. & S F Commercial Co.; American Claim; Spanish Claim; Santa Anita Claim; Santa Anita Extension Claim; Pine Tree Claim; Singleton Claim; Grizzly Claim; Savage Claim;
St. Patrick Consolidated Quartz Mine (St Patrick Cons. Qtz.; St. Patrick Mine)
Stark Mine (Cotton King Claim; Lent Claim; Victory Claim; Asbestos Quartz January Claim)
Treasure Box Mine (Treasure Box No. 2 Quartz Mine; Treasure Box No. 2 Qtz.; Captain Walker Quartz; Captain Walker Qtz.; Treasure Box Nos. 1 - 2 & 3 Claims)
Turtledove Chrome Mine
Unidentified Au Workings [21]
Valentine Consolidated Quartz Mine (Valentine Consolidated; Valentine Cons Qtz.)
Washington Tunnel
White & Johnson Mine (White And Johnson Mine)

Latitude: 39°22'0"N
Longitude: 120°48'1"W
Decimal Degree (lat, lon): 39.366666666667,-120.80027777778

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	Baryte	Calcite	Chalcopyrite	Chlorite	Clay	Copper	Coronadite	Corundum	Garnet
Mica	None	Not in a structural group	Pyrite	Quartz	Rocksalt	Rutile	Sphalerite	Spinel	Stibnite
Talc

Ankerite ()*	Arsenopyrite ()*	Baryte ()*	Bornite ()*	Calcite ()*
Chalcopyrite ()*	Chromite ()*	Clinochlore ()*	Copper ()*	Cuprite ()*
Dolomite ()*	Galena ()*	Gold ()*	Graphite ()*	Hematite ()*
Knorringite ()*	Magnesiochromite ()*	Muscovite ()*	Pyrite ()*	Quartz ()*
Redledgeite ()*	Rutile ()*	Sphalerite ()*	Stibnite ()*	Talc ()*
Uvarovite ()*

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 Ba C Ca Cr Cu Fe H K Mg O Pb S Sb Si Ti Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Arsenopyrite Baryte Calcite Chalcopyrite Chlorite Clay Copper Coronadite Corundum Garnet
Mica None Not in a structural group Pyrite Quartz Rocksalt Rutile Sphalerite Spinel Stibnite
Talc

26 IMA Minerals at location:

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
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	388	388	2	166425,166427	3092
Arsenopyrite ()*	Arsenopyrite	FeAsS	388	388	1	166425	9052
Baryte ()*	Baryte	Ba(SO₄)			3	166411,166432,166436	11547
Bornite ()*	None	Cu₅FeS₄			1	166432	5516
Calcite ()*	Calcite	Ca(CO₃)	388	388	1	166425	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			1	166412	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	388	388	7	166413,166415,166420,166421,166424,166425,166441	3902
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	388	388	1	166425	1756
Copper ()*	Copper	Cu	388	388	1	166425	3846
Cuprite ()*	Not in a structural group	Cu₂O			1	166412	2970
Dolomite ()*	None	CaMg(CO₃)₂			1	166427	9895
Galena ()*	Rocksalt	PbS	388	388	2	166425,166432	24243
Gold ()*	Copper	Au	388	388	21	166410,166412,166414,166416,166417,166418,166419,166422,166423,166425,166427,166429,166430,166432,166433,166434,166435,166438,166440,166443,166445	30554
Graphite ()*	None	C			1	166409	2812
Hematite ()*	Corundum	Fe₂O₃			1	166412	14640
Knorringite ()*	Garnet	Mg₃Cr₂(SiO₄)₃	388	388	1	166425	4
Magnesiochromite ()*	Spinel	MgCr₂O₄	388	388	1	166425	311
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	388	388	1	166425	17380
Pyrite ()*	Pyrite	FeS₂	388	388	1	166425	39462
Quartz ()*	Quartz	SiO₂	388	388	17	166410,166412,166416,166418,166423,166425,166427,166429,166430,166432,166433,166434,166435,166438,166440,166443,166445	61156
Redledgeite ()*	Coronadite	Ba(Ti₆Cr³⁺₂)O₁₆	388	388	1	166425	4
Rutile ()*	Rutile	TiO₂	388	388	1	166425	5614
Sphalerite ()*	Sphalerite	ZnS			1	166432	21482
Stibnite ()*	Stibnite	Sb₂S₃	388	388	1	166425	3418
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	388	388	1	166425	3337
Uvarovite ()*	Garnet	Ca₃Cr₂(SiO₄)₃	388	388	1	166425	212

5 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference ID
podchrome-00162	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	84135	Gillis Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Gillis	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00163	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	84439	Moscatelli No. 1 Claim (Pete Moscatelli Chrome Occurrence), Washington, Washington District (Omega District), Nevada Co., California, USA	Moscatelli No. 1	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00161	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	84440	Moscatelli No. 2 Property (Lucky Bluff Claim [WWI]; Lucky Friday Claim), Washington, Washington District (Omega District), Nevada Co., California, USA	Moscatelli No. 2	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00165	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	3515	Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Red Ledge	Moiser et al. (2012)	USGSSIR2012_5157
podchrome-00164	388	388	pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists)	Cr	84824	Turtledove Chrome Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	Turtledove Chrome	Moiser et al. (2012)	USGSSIR2012_5157

Sample	Source Locality	Reference URL
R070714	Red Ledge Mine, Washington, Washington District (Omega District), Nevada Co., California, USA	https://rruff.info/R070714

All locality data graciously provided by mindat.org

All age data...