| Deposit ID | 10039043 |
|---|---|
| MRDS ID | M046568 |
| Record type | Site |
| Current site name | Natomas Placer |
| Alternate or previous names | Copper Canyon Placer, Camp Dahl and Christensen, Grand Hills Mining Co., Wilson Placer, Greenan Placer, Guy Davis, Homestake, Oversight, Comet, Annex, Big Nugget, Estes, Gold Crown, Sunrise Fraction |
| Related records | 10149889 |
| Geographic coordinates: | -117.13789, 40.51879 (WGS84) |
|---|---|
| Elevation | 1600 |
| Location accuracy | 100(meters) |
| Relative position | 14 MI SOUTHWEST OF TOWN OF BATTLE MOUNTAIN, Accurate Within Alluvial Fan |
Political divisions (FIPS codes)
Lander(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Antler Peak(quadrangle 1:24,000 scale)
Winnemucca(quadrangle 1:100,000 scale)
Winnemucca(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Dixie Valley(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Lander |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 030N | 043E | 33,28 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Palladium Critical | Tertiary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Result | FINENESS RANGED FROM 830-870, AVERAGING 860 |
|---|
| Model code | 119 |
|---|---|
| USGS model code | 39a |
| Deposit model name | Placer Au-PGE |
| Mark3 model number | 54 |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Unconsolidated Deposit > Gravel | ||
| |||
| (1) | -117.13789, 40.51879 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Channels |
| General form | BLANKET, CHANNELS, LENTICULAR SHEETS |
|---|---|
| Thickness | 1.37M |
| Length | 975.36M |
| Width | 853.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1911 |
| Discoverer | Original Discovery Of Gold In The Fan By James Dahl In 1911 |
| Year of first production | 1911 |
| Production years | MOSTLY 1947-1955 |
| District name | Battle Mountain District |
|---|
| Ownership category | Private |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Natomas Co. |
| First year | 1955 |
| Type of workings | Surface |
|---|---|
| Length | 701.04M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M046568 |
ROBERTS, R.J., AND ARNOLD, D.C, 1965; ORE DEPOSITS OF THE ANTLER PEAK QUADRANGLE, HUMBOLDT AND LANDER COUNTIES, NEVADA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 459-B, P. B85-B86.
THEODORE, T.G., AND BLAKE, D.W., 1975, GEOLOGY AND GEOCHEMISTRY OF THE COPPER CANYON PORPHYRY COPPER DEPOSIT AND SURROUNDING AREA, LANDER COUNTY, NEVADA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 798-B, P. B10.
JOHNSON, M.G., 1973, PLACER GOLD DEPOSITS OF NEVADA: U.S. GEOLOGICAL SURVEY BULLETIN 1356, P. 36-39.
HUTTL, J.B., 1950, HOW NATOMAS KEEPS A LARGE DREDGE OPERATING IN THE DESERT: ENGINEERING AND MINING JOURNAL, V. 135, NO. 4, P. 173.
STAGER, H.K, 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA, PART II, MINERAL DEPOSITS: NEVADA BUREAU OF MINES AND GEOLOGY BULLETIN 88, P. 67.
VANDERBURG, W.O., 1939, RECONNAISSANCE OF MINING DISTRICTS IN LANDER COUNTY, NEVADA: U.S. BUREAU OF MINES INFORMATION CIRCULAR 7043, P. 33-34.
JOHNSON, M.G., 1973
| Subject category | Comment text |
|---|---|
| Deposit | THE LARGEST PLACER OPERATION IN DISTRICT BEGAN WHEN NATOMAS CO. ACQUIRED J.O. GREEAN'S CLAIMS IN COPPER CANYON FAN AREA IN 1941. WW II INTERRUPTED OPERATIONS UNTIL 1946, WHEN A DRAG-LINE DREDGE WAS USED TO MINE GRAVELS IN UPPER PART OF FAN UNTIL 1948. IN 1949, A BUCKET-LINE DREDGE WITH A 9,000 CU YD/DAY CAPACITY WAS PUT INTO OPERATION, DREDGING UP TO 110 FT DOWN. DRILLHOLES PERMITTED PLOTTING OF GOLD DISTRIBUTION WITHIN THE FAN. DAHL AND H.C. CHRISTENSEN BEGAN DRIFT-MINING IN 1911 AND CONTINUED UNTIL 1920. IN 1932, D. WILSON TOOK OVER PROPERTY AND WORKED GOLD-BEARING GRAVELS NEAR BEDROCK. IN 1935, GRAND HILLS MINING CO, INSTALLED A MECHANICAL WASHING PLANT AND OTHER LESSEES WORKED PROPERTY WITH DWINDLING RETURNS THROUGH 1930'S, UNTIL J.O. GREENAN BOUGHT IT IN 1939. HE BEGAN A SYSTEMATIC CHURN-DRILLING PROGRAM AND PROVED A LARGE VOLUME OF GOLD-BEARING GRAVEL DOWN AND ACROSS FAN. HE SOLD PROPERTY TO NATOMAS CO. IN 1941. ; INFO.SRC : 1 PUB LIT |
| Deposit | THIS WAS THE LARGEST PLACER OPERATION IN DISTRICT. IN 1939 CLAIMS COVERED 2,600 ACRES. ALLUVIUM IS 20-100 FT THICK WITH BEST ORE NEAR BEDROCK |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-76 | Blair, Will N. | U.S. Geological Survey | |
| Updater | 01-DEC-80 | La Pointe, D. D. | Nevada Bureau of Mines and Geology | |
| Updater | 01-JUN-91 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.