Knob group (Anthony and Gold Bug; Old Gold Bug No. 1 claim; Post Office Springs Mine; Knob No. 1 claim; Knob No. 2 claim), Slims Peak, South Park Mining District, Panamint Mts (Panamint Range), Inyo County, California, USAi
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Latitude & Longitude (WGS84):
36° 1' 20'' North , 117° 9' 33'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Searles Valley | 1,739 (2011) | 35.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Searles Lake Gem and Mineral Society, Inc. | Trona, California | 35km |
Mindat Locality ID:
79032
Long-form identifier:
mindat:1:2:79032:8
GUID (UUID V4):
6d4a7c34-cad8-40b8-8994-b18fcc45d529
A former Au-Ag-Cu-Pb-Fe mine located in sec. 18 & 19, T22S, R45E, MDM, 2.6 km (1.6 miles) WNW of Slims Peak (coordinates of record), on the divide between Middle Park Canyon and Pleasant Canyon (4 miles ESE of Ballarat). Discovered in 1893. Property consisted of 2 unpatented claims. MRDS database accuracy for this location is not stated. Incorporated earlier claims under different names.
Mineralization is an interlacing vein system hosted in limestone and schist. The ore body is honeycombed in form, strikes N10W and dips 40-45SW at a thickness of 1.07 meters. Controls for ore emplacement included the intersections of veins with fractures and where footwall stringers are most numerous.
Within the interlacing vein system, one series has a SW dip, and the other has an easterly dip that intersects the main vein as exposed in the face of the cliff. A third series of subordinate fractures strike NW and dip steeply SE and form junctions with the main vein from the footwall side, but do not cross the vein into the hanging wall. The main vein traced for 0.5 mile to the S from the face of the cliff and varies from a few inches to 3.5 feet in thickness. A faint trace of copper sulfate staining is seen on most of the ore. The highest grade ore is in bands of hematite and white to iron-stained porous quartz in hematite. The ore was generally high-grade.
Rock exposed 600 to 700 feet above the bed of the canyon is schis5t that has been intensively folded. 400 to 500 feet of brown, crystalline limestone rests on top of the schist. Local rocks include Precambrian rocks, undivided, unit 1 (Death Valley).
Workings include underground openings. A number of short tunnels and 2 small stopes on the N end. A 50 foot stope that was 20 feet deep was mined out on the S end. 100 feet below the stope, an adit was driven for 100 feet on vein. A stope 40 feet long, 30 feet high and 2.5 feet wide was worked from this tunnel. The S end of the Old Gold Bug No. 1 claim, 2,500 feet S of the described workings, consisted of short tunnels and a 40 foot deep incline. On the 20 foot level, 30 feet drift was driven to the N and 30 feet to the S. Below the S drift, a stope 20 feet long by 2.5 feet wide was mined out. The bottom of the stope was tapped by a raise from the bottom of the incline. A millsite also erected on the property.
Production data are found in: Norman, L.A. & Richard M. Stewart (1951); Goodwin, Joseph Grant (1957).
No other production record found. 16 to 18 inches (40 to 45 cm) of ore carried $40/ton (period values).
Analytical data results: 18 inches of ore from a stope assayed $60/ton (period values).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10106509 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
USA
- Sierra NevadaMountain Range
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References
