Manhattan Gulch placers Delta (Manhattan Gold Dredging Co. operations; Manhattan placer deposits), Manhattan, Manhattan Mining District, Toquima Range, Nye County, Nevada, USAi
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Latitude & Longitude (WGS84):
38° 32' 18'' North , 117° 9' 10'' West
Latitude & Longitude (decimal):
Type:
Group of Placers
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tonopah | 2,478 (2011) | 52.8km |
Mindat Locality ID:
62252
Long-form identifier:
mindat:1:2:62252:2
GUID (UUID V4):
fe637692-d017-4fa1-a2d3-d8df84ad81b6
Other/historical names associated with this locality:
Manhattan Gold Dredging Co. Operations, Manhattan Placer Deposits, Dexter No. 14 Pat, Nellie Gray Pat, Copenhagen Sur, Rainbow, Searchlight, Auction, Boston, Tuesday, Wednesday Fraction, September Fraction, Bed Rock Sur, Erwin, Robust, Morning Star, January Sur, Black Cat, Last Chance, Follem, Georggy Nos. 1 and 2, Nemo, Fairview, Arlington No. 3, Amboy, Arlington, Independence Nos. 2 and 4, Bright August, Gold Bench, Arlington No. 4, Midnight, Take-A-Chance, Happy Day, Jumbo Nos. 1 and 2, Bull Dog, China, Japan, Gold Pan, Cooper, Edna, Bookkeeper, Archibald, Cyclone, West End Nos. 2 and 3, India, African-Sunrise-Cornucopia Fraction, September, Central, Pedro
Alternate names/claims: Dexter No. 14 Pat, Nellie Gray Pat, Copenhagen Sur, Rainbow, Searchlight, Auction, Boston, Tuesday, Wednesday Fraction, September Fraction, Bed Rock Sur, Erwin, Robust, Morning Star, January Sur, Black Cat, Last Chance, Follem, Georggy Nos. 1 and 2, Nemo, Fairview, Arlington No. 3, Amboy, Arlington, Independence Nos. 2 and 4, Bright August, Gold Bench, Arlington No. 4, Midnight, Take-A-Chance, Happy Day, Jumbo Nos. 1 and 2, Bull Dog, China, Japan, Gold Pan, Cooper, Edna, Bookkeeper, Archibald, Cyclone, West End Nos. 2 and 3, India, African-Sunrise-Cornucopia Fraction, September, Central, Pedro
The Manhattan Gulch Placers were located in Manhattan Gulch about 50 miles NNE of Tonopah. The placers extend about 5 miles upstream (east) from this point.
Commodity: Ore Materials: native gold Gangue Materials: gravel
Deposit: The gold-bearing gravels include stream channel, benches and some older bench gravels on the hillsides.
Deposit type: Placer Au-PGE
Development: Since their discovery in 1906, the Manhattan Gulch placers have been worked continuously by one method or another until the 1970s if not later. Most of the early production was developed by hand in drifts and shallow shafts and hand-processed using sluices and drywashers yielding a significant production over several decades. The most productive period for the placer operations was when Manhattan Gold Dredging Co., a subsidiary of Natomas Co., operated a floating bucket line dredge with 108 buckets in Manhattan Gulch from 1938 to 1946. The dredge started at the northwest corner of seciton 21 and worked about 5 miles upstream to about the mouth of Black Mammoth Gulch. Dredging traversed many previous older placer claims that are described by other MRDS records. Water to run this operation was piped in from Peavine Canyon 12 miles away. The dredge ceased operationin 1946 and was shipped over to Copper Canyn in the Battle Mountain District to begin another period of production there. In 1974, a Canadian consortium consisting of August Petroleum Ltd., Spirit Exploration, Ltd., and Thaiaaron Dev. Ltd. sampled the placer area and planned a 50,000 yard- 3-day operation. In 1975, Manhattan Gold Corp. was formed to mine the gold placer property, with August Petroleum as the main stockholder. Some of the placer claims were being explored in 1977.
Geology: Pay gravel is richest just over bedrock.
Ore(s): Erosion and deposition. Pay gravel is richest just over bedrock.
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.
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Baryte | BaSO4 |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Cinnabar | HgS |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
Other Databases
| Link to USGS MRDS: | 10310369 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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References
