Colombia Consolidated Quartz Mine (Colombia Cons Qtz.; Columbia group; Canon Creek claim; Canyon Creek claim; Waldeck claim), Omega, Washington Mining District (Omega Mining District), Nevada County, California, USAi
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Latitude & Longitude (WGS84):
39° 21' 22'' North , 120° 44' 54'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Washington | 185 (2011) | 4.4km |
| Alta | 610 (2011) | 17.5km |
| Dutch Flat | 160 (2011) | 18.4km |
| Pike | 134 (2011) | 23.3km |
| Downieville | 282 (2011) | 23.6km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 31km |
Mindat Locality ID:
83977
Long-form identifier:
mindat:1:2:83977:9
GUID (UUID V4):
9b0ceb44-2614-43c3-ba6c-7bb5a013c1d9
A former lode Au occurrence/mine located in sec. 4 & in the W½ sec. 9, T17N, R11E, MDM, 2.5 km (1.6 miles) N of Omega, 2½ miles E of Washington, along the S bank of the South Yuba River at Holbrook Flat, on National Forest land. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is hosted in rocks of the Calaveras Complex, Tightner Formation (quartzite, phyllite and Calaveras [Blue Canyon] slate). The ore body is 6.1 meters thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with a length of 213.36 meters and comprised of a tunnel and drifts.
Analytical data results: 0.25 to 0.30 ounce Au/ton from the lode.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10007591 |
|---|
Other Regions, Features and Areas containing this locality
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060570807
