Black Dike Prospect, Miller River Mining District, King County, Washington, USAi
Regional Level Types | |
---|---|
Black Dike Prospect | Prospect |
Miller River Mining District | Mining District |
King County | County (Historical) |
Washington | State |
USA | Country |
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Latitude & Longitude (WGS84):
47° 38' 56'' North , 121° 25' 24'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Skykomish | 207 (2017) | 8.2km |
Baring | 220 (2011) | 14.5km |
Index | 194 (2017) | 21.5km |
Snoqualmie Pass | 311 (2011) | 28.6km |
May Creek | 818 (2011) | 29.2km |
Mindat Locality ID:
68654
Long-form identifier:
mindat:1:2:68654:8
GUID (UUID V4):
339dd026-1b1b-4669-b511-19218662725b
Other/historical names associated with this locality:
Black Rock Prospect, Portland Prospect
An iron prospect along the West Fork of the Miller River. It exploited spods of magnetite and schorl, with around 250,000 tons of material averaging 20% iron estimated to have been discovered. The upper workings encountered copper sulfides.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
5 valid minerals.
Detailed Mineral List:
ⓘ Chalcopyrite Formula: CuFeS2 References: |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 |
ⓘ Pyrite Formula: FeS2 |
ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
List of minerals arranged by Strunz 10th Edition classification
Group 2 - Sulphides and Sulfosalts | |||
---|---|---|---|
ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
ⓘ | Pyrite | 2.EB.05a | FeS2 |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
Group 9 - Silicates | |||
ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
B | Boron | |
B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
O | Oxygen | |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Na | Sodium | |
Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | Aluminium | |
Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Si | Silicon | |
Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
S | Sulfur | |
S | ⓘ Chalcopyrite | CuFeS2 |
S | ⓘ Pyrite | FeS2 |
K | Potassium | |
K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
Fe | Iron | |
Fe | ⓘ Chalcopyrite | CuFeS2 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Pyrite | FeS2 |
Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
Cu | Copper | |
Cu | ⓘ Chalcopyrite | CuFeS2 |
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