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Flagstaff Mountain Mine, Northport Area, Northport Mining District, Stevens County, Washington, USAi
Regional Level Types
Flagstaff Mountain MineMine
Northport Area- not defined -
Northport Mining DistrictMining District
Stevens CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 54' 31'' North , 117° 52' 3'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Northport288 (2017)6.3km
Rossland3,619 (2008)20.0km
Trail9,707 (2018)24.4km
Orient115 (2011)25.0km
Marcus184 (2017)31.0km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Selkirk Rock & Mineral ClubTrail, British Columbia24km
Panorama Gem & Mineral ClubArden, Washington50km
Mindat Locality ID:
15764
Long-form identifier:
mindat:1:2:15764:8
GUID (UUID V4):
0
Other/historical names associated with this locality:
Flagstaff Mine; Flagstaff Mountain Pit


A barite pit near the summit Flagstaff Mountain. It mined hydrothermally deposited lenses of baryte on argillite. The mine was originally discovered in 1924 as a silver claim, but little came of this. The first production was in 1961 when 300 tons of barite were produced. Since then a considerably larger amount of barite has been produced.
Geology: The flagstaff mt deposit is located in the lower portion of the black shale belt, in a black pyritic limestone. The barite beds have a gradational contact with the limestone to the s.e., but on the n.w. They are in fault contact with argillite. The barite beds are white to cream white to dark gray and co-extensive with the enclosing sediments. The barite is thinnly laminated and fine grained barite is the only ore mineral.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


23 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Baryte
Formula: BaSO4
Habit: crystals up to 3"
Colour: colorless, yellow, grey, blue-grey
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Celsian
Formula: Ba(Al2Si2O8)
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chernykhite
Formula: (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
ⓘ 'Chlorite Group'
ⓘ Covellite
Formula: CuS
ⓘ Digenite
Formula: Cu9S5
ⓘ Edingtonite ?
Formula: Ba[Al2Si3O10] · 4H2O
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ Galena
Formula: PbS
ⓘ Gersdorffite
Formula: NiAsS
ⓘ Graphite
Formula: C
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Organic material'
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Bull Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Sphalerite
Formula: ZnS
ⓘ Sulvanite
Formula: Cu3VS4
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Witherite
Formula: BaCO3
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘDigenite2.BA.10Cu9S5
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘSulvanite2.CB.70Cu3VS4
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘGersdorffite2.EB.25NiAsS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Bull Quartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘWitherite5.AB.15BaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘChernykhite9.EC.15(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘCelsian9.FA.30Ba(Al2Si2O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘEdingtonite ?9.GA.15Ba[Al2Si3O10] · 4H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Organic material'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Hⓘ EdingtoniteBa[Al2Si3O10] · 4H2O
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
Cⓘ WitheriteBaCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BaryteBaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ CelsianBa(Al2Si2O8)
Oⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Oⓘ EdingtoniteBa[Al2Si3O10] · 4H2O
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ WitheriteBaCO3
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Quartz var. Bull QuartzSiO2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Naⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Mgⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ CelsianBa(Al2Si2O8)
Alⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Alⓘ EdingtoniteBa[Al2Si3O10] · 4H2O
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ CelsianBa(Al2Si2O8)
Siⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Siⓘ EdingtoniteBa[Al2Si3O10] · 4H2O
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Quartz var. Bull QuartzSiO2
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ DigeniteCu9S5
Sⓘ GalenaPbS
Sⓘ GersdorffiteNiAsS
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ SulvaniteCu3VS4
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ RutileTiO2
VVanadium
Vⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Vⓘ SulvaniteCu3VS4
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ PyriteFeS2
NiNickel
Niⓘ GersdorffiteNiAsS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ DigeniteCu9S5
Cuⓘ SulvaniteCu3VS4
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ GersdorffiteNiAsS
ZrZirconium
Zrⓘ ZirconZr(SiO4)
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Baⓘ BaryteBaSO4
Baⓘ CelsianBa(Al2Si2O8)
Baⓘ Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2
Baⓘ EdingtoniteBa[Al2Si3O10] · 4H2O
Baⓘ WitheriteBaCO3
PbLead
Pbⓘ GalenaPbS

Other Databases

Link to USGS MRDS:10204711

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