Weber Mining District, Weber County, Utah, USAi
| Regional Level Types | |
|---|---|
| Weber Mining District | Mining District |
| Weber County | County |
| Utah | State |
| USA | Country |
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The Weber mining district is on the western slope of the Wasatch Range of central Weber County, just 3 mi northeast of downtown Ogden. The district is an insignificant F producer with a few scattered prospects and a single mine at the Norman fluorite deposit. The property was initially recognized in the late 1800s but was only in production briefly during high F prices under a federal fluorite stockpiling program in 1957. About 47 tons of ore were produced and upgraded by hand-sorting (Bullock, 1976).
The Wasatch Range is a major north-south-trending range geologically situated in the Middle Rocky Mountain province. The mineralization is hosted in Paleoproterozoic Farmington Canyon Complex. The mineralization is a narrow zone of thin fluorite stringers in a quartzose mylonite striking roughly N. 40° E. and dipping about 65° NW. The workings consist of a series of dozer cuts, some small surface cuts, and a 235-ft-long adit stretched over a strike length of about 1500 ft. The fluorite stringers range from 1 to 24 inches in width within the fault zone (Perry, 1973; Bullock, 1976). Five short channel samples across the veins average 46.5% CaF2 and 39.5% SiO2 (Perry, 1973).
The Wasatch Range is a major north-south-trending range geologically situated in the Middle Rocky Mountain province. The mineralization is hosted in Paleoproterozoic Farmington Canyon Complex. The mineralization is a narrow zone of thin fluorite stringers in a quartzose mylonite striking roughly N. 40° E. and dipping about 65° NW. The workings consist of a series of dozer cuts, some small surface cuts, and a 235-ft-long adit stretched over a strike length of about 1500 ft. The fluorite stringers range from 1 to 24 inches in width within the fault zone (Perry, 1973; Bullock, 1976). Five short channel samples across the veins average 46.5% CaF2 and 39.5% SiO2 (Perry, 1973).
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities8 valid minerals.
Rock Types Recorded
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Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 |
| ⓘ Fluorite Formula: CaF2 Habit: massive Colour: blue white Description: Massive anhedral veins of sun-bleached banded fluorspar. |
| ⓘ Galena Formula: PbS |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ 'Psilomelane' |
| ⓘ Pyrolusite Formula: Mn4+O2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Galena | 2.CD.10 | PbS |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Unclassified | |||
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Quartz | SiO2 |
| F | Fluorine | |
| F | ⓘ Fluorite | CaF2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Galena | PbS |
| Ca | Calcium | |
| Ca | ⓘ Fluorite | CaF2 |
| Mn | Manganese | |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Fe | Iron | |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Localities in this Region
- Utah
- Weber County
Other Regions, Features and Areas that Intersect
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Farmington-Selway DomainDomain
- Idaho-Wyoming Thrust Belt–Greater Green River BasinBasin
- Middle Rocky MountainsOrogenic Belt
- Oquirrh BasinBasin
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References
Norman Mine, Weber Mining District, Weber County, Utah, USA