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Northfield Prospect (Stevenson Prospect), Blackbird mine complex, Blackbird Mining District, Lemhi County, Idaho, USAi
Regional Level Types
Northfield Prospect (Stevenson Prospect)Prospect
Blackbird mine complexComplex
Blackbird Mining DistrictMining District
Lemhi CountyCounty
IdahoState
USACountry

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Latitude & Longitude (WGS84):
45° 7' 35'' North , 114° 19' 56'' West
Latitude & Longitude (decimal):
45.12639,-114.33222
GeoHash:
G#:c2n8wr1b6
GRN:
N31W58
Type:
Prospect
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Salmon3,036(2017)34.6km
Mindat Locality ID:
139487
Long-form identifier:
mindat:1:2:139487:3
GUID (UUID V4):
392306e0-f67a-4e7a-bef2-56292b792eba


REF:Deposit:: VHAY, J.S., 1948, COBALT-COPPER DEPOSITS IN THE BLACKBIRD DISTRICT, LEMHI COUNTY, IDAHO: USGS STRATEGIC MINERALS INV. PRELIM. REPT. 3-219, 26 P.
Deposit:: SHOCKEY, P.N., 1957, RECONNAISSANCE GEOLOGY OF THE LEESBURG QUADRANGLE, LEMHI COUNTY, ID
Commodities (Major) - Copper, Cobalt; (Trace) - Nickel
Development Status: Occurrence
Host Rock Unit: Belt Supergroup-Phyllite, Quartzite

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity List

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


Mineral List


11 valid minerals.

Detailed Mineral List:

ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘChalcocite
Formula:Cu2S
ⓘChalcopyrite
Formula:CuFeS2
ⓘCobaltite
Formula:CoAsS
ⓘCopper
Formula:Cu
ⓘCovellite
Formula:CuS
ⓘGadolinite-(Y)
Formula:Y2Fe2+Be2Si2O10
ⓘGoethite
Formula:α-Fe3+O(OH)
ⓘPyrite
Formula:FeS2
ⓘPyrrhotite
Formula:Fe1-xS
ⓘQuartz
Formula:SiO2
ⓘSafflorite
Formula:(Co,Ni,Fe)As2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘCopper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
ⓘSafflorite2.EB.15a(Co,Ni,Fe)As2
ⓘCobaltite2.EB.25CoAsS
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.α-Fe3+O(OH)
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘGadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

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ⓘGoethiteα-Fe3+O(OH)
HⓘApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
BeⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
OOxygen
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
OⓘGoethiteα-Fe3+O(OH)
Oⓘ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ⓘApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiSilicon
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
SiⓘQuartzSiO2
PPhosphorus
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘChalcopyriteCuFeS2
SⓘChalcociteCu2S
SⓘCobaltiteCoAsS
SⓘCovelliteCuS
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
ClChlorine
ClⓘApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘChalcopyriteCuFeS2
FeⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
FeⓘGoethiteα-Fe3+O(OH)
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
FeⓘSafflorite(Co,Ni,Fe)As2
CoCobalt
CoⓘCobaltiteCoAsS
CoⓘSafflorite(Co,Ni,Fe)As2
NiNickel
NiⓘSafflorite(Co,Ni,Fe)As2
CuCopper
CuⓘChalcopyriteCuFeS2
CuⓘChalcociteCu2S
CuⓘCovelliteCuS
CuⓘCopperCu
AsArsenic
AsⓘCobaltiteCoAsS
AsⓘSafflorite(Co,Ni,Fe)As2
YYttrium
YⓘGadolinite-(Y)Y2Fe2+Be2Si2O10

Other Databases

Link to USGS MRDS:10067853

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