| Deposit ID | 10310452 |
|---|---|
| Record type | Site |
| Current site name | Chukar Footwall Mine |
| Alternate or previous names | Chukar, Gold Quarry Mine Area |
| Related records | 10044714, 10310465 |
| Geographic coordinates: | -116.20925, 40.79158 (WGS84) |
|---|---|
| Elevation | 1710 |
| Relative position | The Chukar Footwall Mine is located adjcent to the Gold Quarry Mine about 6 miles northwest of Carlin, Nevada. |
Political divisions (FIPS codes)
Eureka(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Schroeder Mountain(quadrangle 1:24,000 scale)
Battle Mountain(quadrangle 1:100,000 scale)
Winnemucca(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Humboldt(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Eureka |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 033N | 051E | 03 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Mercury | Tertiary |
| Thallium | Tertiary |
| Barium-Barite Critical | Tertiary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Copper | Tertiary |
| Manganese Critical | Tertiary |
| Nickel Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Kaolinite | Ore |
| Barite | Ore |
| Alunite | Ore |
| Pyrite | Ore |
| Silica | Gangue |
| Model code | 173 |
|---|---|
| USGS model code | 26a.1 |
| Deposit model name | Sediment-hosted Au |
| Mark3 model number | 17 |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||||
| Rock type qualifier | decalcified silty | ||||
| Rock unit name | Roberts Mountains Formation | ||||
| |||||
| (1) | -116.20925, 40.79158 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Decalcified, silty limestone units of the Siluro- Devonian Roberts Mountains Formation are folded into a northeast- trending anticline in the Chukar footwall deposit. |
| Type of structure | Local |
| Structure description | The Roberts Mountains Thrust, Good Hope Fault System, Gold Quarry Fault, and other faults created a pervasive fracture system at Gold Quarry. Isoclinal folding of bedding is common. |
| General form | tabular |
|---|
| Operation type | Underground |
|---|---|
| Development status | Producer |
| Commodity type | Both |
| Deposit size | Large |
| Significant | Yes |
| Discovery year | 2001 |
| Discoverer | Newmont |
| Year of first production | 2003 |
| Year of last production | 2004 |
| Production years | 2003-2004 |
| District name | Maggie Creek Subdistrict |
|---|---|
| District name | Carlin Trend |
| Ownership category | Private |
|---|---|
| Ownership category | BLM Administrative Area |
| Area name | Elko Administrative District |
| Type | Owner-Operator |
|---|---|
| Owner | Newmont, the Gold Company |
| Year | 2004 |
Newmont Mining Corp. First Quarter 2003 Report, 5/7/2003;
Third Quarter 2003 Report, 10/29/2003
J. Sagar, 2005, Geology and Mineralization at the Chukar Footwall Underground Mine, Eureka County, NV: SME Annual Meeting 2005 program
NBMG MI-2001-2003
Newmont Gold website, 2004.
Adella Harding 2002, Elko Daily Free Press Mining Quarterly.
Johnston, Marcus. K., 2004, Wallrock alteration associated with the Chukar Footwall Carlin-type deposit, Eureka County, Nevada ;Geological Society of America Abstracts with Programs, Vol. 36, No. 4, p. 23.
| Subject category | Comment text |
|---|---|
| Deposit | A portal within the Gold Quarry pit provides access to workings. Gold mineralization is hosted in decalcified, silty limestone units of the Siluro- Devonian Roberts Mountains Formation, which are folded into a northeast- trending anticline. Northeast-striking faults allowed gold mineralization to deposit along the hinge and limbs of the anticline. Unique to Chukar is the occurrence of visible gold along fractures. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-2004 | Lapointe, D.D. | Nevada Bureau of Mines and Geology | |
| Editor | 01-SEP-2007 | Schruben, Paul G. | U.S. Geological Survey | Converted from S&A FileMaker format to Oracle. Edit checks on rocks, units, and ages with Geolex search, and other fields. |
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.