John Black Magnetite Mine (Helton Knob Mine), Poison Branch Belt of Deposits, Ashe County, North Carolina, USAi
Regional Level Types | |
---|---|
John Black Magnetite Mine (Helton Knob Mine) | Mine |
Poison Branch Belt of Deposits | Group of Deposits |
Ashe County | County |
North Carolina | State |
USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
36° 32' 51'' North , 81° 24' 22'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Lansing | 155 (2017) | 10.8km |
Jefferson | 1,606 (2017) | 15.4km |
Trout Dale | 178 (2011) | 17.4km |
West Jefferson | 1,308 (2017) | 17.8km |
Independence | 927 (2017) | 24.1km |
Mindat Locality ID:
99867
Long-form identifier:
mindat:1:2:99867:4
GUID (UUID V4):
8bfe7a47-ff1b-402b-be45-8d7b3f1cda25
REF:Deposit:: BRYANT, B., AND REED, J. C., JR., 1966, MINERAL RESOURCES OF THE GRANDFATHER MOUNTAIN WINDOW AND VICINITY: U.S. GEOL. SURVEY CIRC. 521, 13 P.
Deposit:: STUCKEY, J. L., 1965, NORTH CAROLINA: ITS GEOLOGY AND MINERAL RESOURCES: RALEIGH, N. C., NO
Deposit:: BAYLEY, W.S., TENN DIV OF GEOL BULL 29, 1923, P. 140.
Deposit:: CRIB LIST 12/81
Commodities (Major) - Iron
Development Status: Past Producer
Structure: Northeast
Host Rock: Gneiss, Porphyry, Pegmatite
Tectonic Structure: Blue Ridge
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
3 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 DiagramDetailed Mineral List:
β Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
β Hematite Formula: Fe2O3 |
β 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
β Magnetite Formula: Fe2+Fe3+2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides | |||
---|---|---|---|
β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
β | Hematite | 4.CB.05 | Fe2O3 |
Group 9 - Silicates | |||
β | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Unclassified | |||
β | 'Hornblende Root Name Group' | - | β»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
H | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
O | Oxygen | |
O | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
O | β Hematite | Fe2O3 |
O | β Magnetite | Fe2+Fe23+O4 |
O | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
F | Fluorine | |
F | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Al | Aluminium | |
Al | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Al | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Si | Silicon | |
Si | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Si | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Cl | Chlorine | |
Cl | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Ca | Calcium | |
Ca | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Ca | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
Fe | Iron | |
Fe | β Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
Fe | β Hematite | Fe2O3 |
Fe | β Magnetite | Fe2+Fe23+O4 |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
USA
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.