Thunderbird Mine (Virginia Mine; Nelson Reserve On-3), St. Louis County, Minnesota, USAi
| Regional Level Types | |
|---|---|
| Thunderbird Mine (Virginia Mine; Nelson Reserve On-3) | Mine |
| St. Louis County | County |
| Minnesota | State |
| USA | Country |
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Latitude & Longitude (WGS84):
47° 28' 56'' North , 92° 32' 51'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Eveleth | 3,673 (2017) | 2.3km |
| Virginia | 8,587 (2017) | 4.6km |
| Parkville | 2,525 (2017) | 5.9km |
| Gilbert | 1,792 (2017) | 6.2km |
| Mountain Iron | 2,880 (2017) | 8.0km |
Mindat Locality ID:
167531
Long-form identifier:
mindat:1:2:167531:6
GUID (UUID V4):
c7975d31-e924-48a1-85f1-48d29b6db751
REF:Deposit:: MOREY, G.B.,1972. MESABI RANGE; IN; SIMS,P.K. AND MOREY, G.B.,EDS., GEOLOGY OF MINNESOTA; A CENTENNIAL VOLUME,MINN.GEOL.SURV.,P.204-217.
Deposit:: WHITE, D.A.,1954. STRATIGRAPHY AND STRUCTURE OF THE MESABI RANGE, MINNESOTA, MINN.GEOL.SURV.BULL
Commodities (Major) - Iron
Development Status: Producer
Host Rock Unit: Biwabik - Ore, Divided Into 4 Informal Units: Upper Slaty 75' Thick Limestones And Marls; Upper Cherty - 175 Ft Of Conglomerate
Structure: Mesabi Range, Biwabik Fm. Exposed In A Long Narrow Belt Within The Mountains., Restricted Basin Required For Banded Iron Formation Deposition.
Tectonic Structure: North American Craton, Southern Most Portion Of Canadian Shield.
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.
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 Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 |
| β Calcite Formula: CaCO3 |
| β Magnetite Formula: Fe2+Fe3+2O4 |
| β Minnesotaite Formula: Fe2+3Si4O10(OH)2 |
| β Siderite Formula: FeCO3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 5 - Nitrates and Carbonates | |||
| β | Calcite | 5.AB.05 | CaCO3 |
| β | Siderite | 5.AB.05 | FeCO3 |
| β | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| Group 9 - Silicates | |||
| β | Minnesotaite | 9.EC.05 | Fe2+3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Minnesotaite | Fe32+Si4O10(OH)2 |
| C | Carbon | |
| C | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| C | β Calcite | CaCO3 |
| C | β Siderite | FeCO3 |
| O | Oxygen | |
| O | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | β Calcite | CaCO3 |
| O | β Magnetite | Fe2+Fe23+O4 |
| O | β Minnesotaite | Fe32+Si4O10(OH)2 |
| O | β Siderite | FeCO3 |
| Mg | Magnesium | |
| Mg | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Si | Silicon | |
| Si | β Minnesotaite | Fe32+Si4O10(OH)2 |
| Ca | Calcium | |
| Ca | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Ca | β Calcite | CaCO3 |
| Fe | Iron | |
| Fe | β Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | β Magnetite | Fe2+Fe23+O4 |
| Fe | β Minnesotaite | Fe32+Si4O10(OH)2 |
| Fe | β Siderite | FeCO3 |
Other Databases
| Link to USGS MRDS: | 10107319 |
|---|
Other Regions, Features and Areas containing this locality
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Thunderbird Mine, St. Louis County, Minnesota, USA