Bourne Mine (North Star Mine; Reliance Mine; Minnie B. claims; Fletcher lease; Buys-Riddle lease), Jarbidge Mining District, Elko County, Nevada, USAi
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Latitude & Longitude (WGS84):
41° 52' 0'' North , 115° 25' 21'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Structure: Crater Range
Alteration: Silicification
Deposit: Vein deposits were 1st ones found in district. Contains 2 veinsf bourne vein and north star vein. Part of west vein systemin which deposits are more in nature of composite veins or lodes than of well-defined individual veins. Marked by strong nw-se trending outcrops. Discovered and located by d.a. Bourne in 1909. Soon afterward, the northstar mining and milling co., of boise. Idaho was organized to develop the property; development was carried on mainly by lessees. Over 1000 ft. Of underground workings mostly at the bourne mine or fletcher lease and at the buys-riddle lease. Fletcher lease was operated by clark & fletcher of ely,nev. In 1910-2 tunnels on bourne vein, 212 and 200-ft. Long with 300 ft. Or crosscuts, 45-ft upraise, 30. Ft winze. Maximum width of lode is 112 ft, averaging 20 ft. Wide. The mine had 3000 ft. Of workings all in oxidized zone, deepest development 250 feet. Elkoro mines co. Purchased the property the property after 1918. ; info.src : 1 pub lit
Deposit type: Epithermal vein, Comstock
Geology: Deeply oxidized & Fe and Mn-stained, contains talc seams
Rock formation(s): Jarbidge Rhyolite
Jarbidge Rhyolite
Ore(s): Shear Zone In Altered Rhyolite
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
4 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:
| ⓘ Acanthite Formula: Ag2S |
| ⓘ 'K Feldspar' |
| ⓘ 'K Feldspar var. Adularia' Formula: KAlSi3O8 |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
| ⓘ 'Wad' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| Unclassified | |||
| ⓘ | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| ⓘ | 'Wad' | - | |
| ⓘ | 'K Feldspar' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Al | Aluminium | |
| Al | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Si | Silicon | |
| Si | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| K | Potassium | |
| K | ⓘ K Feldspar var. Adularia | KAlSi3O8 |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10104010 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Antler Foreland BasinBasin
- Copper–Bull Run–Elko–Indian Wells BasinBasin
- Grouse Creek DomainDomain
- Northern Basin and RangeWide Rift
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