Magnetic Mine, Buckhorn Mountain, Myer Creek Mining District, Okanogan County, Washington, USAi
| Regional Level Types | |
|---|---|
| Magnetic Mine | Mine |
| Buckhorn Mountain | Mountain |
| Myer Creek Mining District | Mining District |
| Okanogan County | County |
| Washington | State |
| USA | Country |
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Latitude & Longitude (WGS84):
48° 57' 28'' North , 118° 58' 42'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Other/historical names associated with this locality:
Buckhorn Mine; Neutral Aztec Mine; Neutral Mine
Old open-pit iron mine in a on Buckhorn Mountain. It is in a skarn zone along the contact of granite and various sediments. Development consisted of three pits and some short adits, cuts, and shafts. Production consisted of around 80,000 tons of ore from around 1918-1950.
Note: not to be confused with the (new) Buckhorn mine in the Southwest Zone and Gold Bowl (Crown Jewel) Zone.
Structure: Late Paleozoic Sediments Were Deposited Along An Active Continental Margin.
Deposit: Development work consisted of three open pits, two adits, and numerous open cuts and prospect pits. The main pit is 280 ft long and 65-130 ft wide and has a maximum vertical face of 50 ft (moen, 1980, p. 49). The magnetic mine is part of the buckhorn mountain project drilled by crown resources corp. In 1988-89. Other than iron the ore bodies contain traces to 0.02% cu, traces to 0.15 oz/ton au, and 0.05-0.40 oz/ton Ag (moen, 1980, p. 49). Broughton (1943, p. 17) estimated reserves of 4,826,000 tons of iron ore averaging 47.3% fe, 1.57% s, 0.03% p, and 0.03% ti. ; info.src : 1 pub lit
Geology: Magnetite bodies are located in northwest-trending contact-metamorphic zones in limestones of permian age adjacent to biotite-hornblende granodiorite of the jurassic-cretaceous buckhorn mountain pluton (moen, 1980, p. 47; stoffel, 1990, geol. Map).
Ore(s): See Comments
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
9 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
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Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) Colour: light yellow green |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Grossular Formula: Ca3Al2(SiO4)3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Grossular | 9.AD.25 | Ca3Al2(SiO4)3 |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | Oxygen | |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Grossular | Ca3Al2(SiO4)3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Ca | Calcium | |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10056007 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Columbia MountainsMountain Range
North America PlateTectonic Plate
- Okanagan TerraneOphiolite Complex
- Okanogan DomainDomain
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Magnetic Mine, Buckhorn Mountain, Myer Creek Mining District, Okanogan County, Washington, USA