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Negro Creek Placers, Negro Creek, Blewett Mining District (Peshastin Mining District), Chelan County, Washington, USAi
| Regional Level Types | |
|---|---|
| Negro Creek Placers | Placer |
| Negro Creek | Creek |
| Blewett Mining District (Peshastin Mining District) | Area |
| Chelan County | County |
| Washington | State |
| USA | Country |
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Latitude & Longitude (WGS84):
47° 26' 34'' North , 120° 39' 54'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Leavenworth | 2,002 (2017) | 17.1km |
| Cashmere | 3,159 (2017) | 17.1km |
| West Wenatchee | 1,565 (2006) | 23.4km |
| Sunnyslope | 3,252 (2011) | 24.9km |
| Wenatchee | 33,636 (2017) | 26.8km |
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 |
|---|---|---|
| Ginkgo Mineral Society | Wenatchee, Washington | 27km |
placer deposits, just east of the divide between Negro and Stafford Creeks.
Tectonics: Alluvial Deposits Containing Heavy Minerals.
Deposit: Negro creek drains an area containing several gold and chromite deposits of the blewett camp. Bedrock of the area includes ultramafic rocks of the ingalls complex (tabor and others, 1982). ; info.src : 1 pub lit
Deposit type: Placer Au-PGE
Development: Econ.com: produced $100 prior to 1897 (huntting, 1956, p. 181). Platinum was also found about 6 miles upstream from the mouth of negro creek. Only a small amount was (reportedly) produced (huntting, 1956, p. 281)
Ore(s): Heavy Minerals Were Concentrated By Stream Action. Several Pieces Of Nearly Pure Chromite Weighing About 3 Pounds Each Were Reported (Huntting, 1956, P. 37) From Negro Creek In The Sw1/4 Of Sec. 12, 22n, 16e
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
3 valid minerals.
Detailed Mineral List:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 |
| ⓘ Native Gold Formula: Au |
| ⓘ Native Platinum Formula: Pt |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Platinum | 1.AF.10 | Pt |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Pt | Platinum | |
| Pt | ⓘ Native Platinum | Pt |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10055846 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Cascade RangeMountain Range
North America PlateTectonic Plate
- Cascade ArcVolcanic Arc
- Franciscan DomainDomain
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