| Deposit ID | 10026933 |
|---|---|
| MRDS ID | M001128 |
| Record type | Site |
| Current site name | Midnight Test Mine |
| Alternate or previous names | National Gold |
| Related records | 10113729 |
| Geographic coordinates: | -112.40268, 34.47394 (WGS84) |
|---|---|
| Elevation | 2134 |
| Relative position | 2 MILES E OF GROOM CREEK |
Political divisions (FIPS codes)
Yavapai(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Groom Creek(quadrangle 1:24,000 scale)
Bradshaw Mountains(quadrangle 1:100,000 scale)
Prescott(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Agua Fria(hydrologic unit)
Lower Gila-Agua Fria(hydrologic accounting unit)
Lower Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Prescott National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Arizona | Yavapai |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 013N | 001W | 30,31 | Arizona |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Secondary |
| Copper | Secondary |
| Zinc Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Pyrite | Unknown |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||
| |||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| Rock unit name | Green Gulch Volcanics |
| Rock description | Green Gulch Volcanics |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Meta-Basalt |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| (1) | -112.40268, 34.47394 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Foliation In Precambrian Rocks Trends N10e To N20e |
| Type of structure | Local |
| Structure description | Veins Parallel Foliation And Crosscut It By 10-20 Deg, Trending N20e To N-S |
| General form | LENTICULAR |
|---|---|
| Strike | N 17 W |
| Dip | 80 W |
| Width | 0.61M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1902 |
| Year of last production | 1935 |
| District name | Groom Creek District |
|---|
| Ownership category | National Forest |
|---|
| Type | Operator |
|---|---|
| Owner | National Gold Co |
| Type of workings | Underground |
|---|---|
| Length | 914.4M |
| Overall depth | 182.88M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M001128 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040251406 |
WILSON, E.D., 1934 , ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137 , P. 32
ELSING, M.J. AND HEINEMAN, R.E., 1936 , ARIZONA METAL PRODUCTION: ARIZONA BUREAU OF MINES BULLETINS 140 , P. 102
ARIZONA DEPT OF MINERAL RESOURCES FILE DATA
ABGMT CLIPPINGS FILES
ABGMT-USBM FILE DATA
A.B.M. BULLETIN 140 , P. 102
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1972 | Gere, W. | U.S. Geological Survey | |
| Updater | 01-MAR-1979 | Johnson, Kris H. (Creasey, S.C.) | U.S. Geological Survey | |
| Updater | 01-FEB-1982 | Roth, Frances A. (Dewitt, Ed) | 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.