| Deposit ID | 10104151 |
|---|---|
| MRDS ID | M800366 |
| Record type | Site |
| Current site name | Niagra Mine |
| Alternate or previous names | Key Group |
| Geographic coordinates: | -112.84686, 34.19977 (WGS84) |
|---|---|
| Elevation | 1012 |
| Relative position | ABOUT 1.5 MILES NORTH-NORTHEAST OF TENDERFOOT HILL. |
Political divisions (FIPS codes)
Yavapai(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Congress(quadrangle 1:24,000 scale)
Bradshaw Mountains(quadrangle 1:100,000 scale)
Prescott(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Hassayampa(hydrologic unit)
Lower Gila-Agua Fria(hydrologic accounting unit)
Lower Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management AZ)
Bureau of Land Management AZ BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Arizona | Yavapai |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 010N | 006W | 23 | NE | Arizona |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Silver | Ore |
| Quartz | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock |
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -112.84686, 34.19977 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Granite Is Massive And Unfoliated |
| Type of structure | Local |
| Structure description | Veins Parallel Andesite Dikes Which Trend E-W To Ne And Dip At Low Angles, Less Than 40 Deg. |
| General form | LENSES |
|---|---|
| Strike | N75W |
| Dip | 40-50N |
| Thickness | 1.22M |
| Width | 609.6M |
| Depth to bottom | 609.6M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1883 |
| Discoverer | Dennis May |
| Year of first production | 1894 |
| Year of last production | 1943 |
| District name | Martinez District |
|---|
| Type | Operator |
|---|---|
| Owner | Findley, Mcdonald, Phillips |
| First year | 1943 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1986 | ||||||||||||||
| Total resources | 158000mt ore | ||||||||||||||
| |||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 624.84M |
| Overall length | 457.2M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M800366 |
AZ. DEPT. MIN. RESOURCES FILE DATA (CONGRESS MINE)
ABGMT CLIPPINGS FILE (NIAGRA, KEY)
USBM-ABGMT FILE DATA
NIEMUTH, 1987.
| Subject category | Comment text |
|---|---|
| Deposit | MOST PRODUCTION FROM THE NIAGRA (200,000 TONS) IS CREDITED TO THE CONGRESS MINE IN PRODUCTION DATA. ; INFO.SRC : 2 UNPUB REPT |
| Deposit | THIS RECORD IS NOT A DUPLICATE OF CONGRESS MINE, RECORD NO. M003323. |
| Deposit | DEPOSIT IS QUARTZ VEIN WHICH CUTS PRECAMBRIAN GRANITE. VEIN USUALLY ASSOCIATED WITH ANDESITE AND MAFIC DIKES WHICH DIP SHALLOWLY TO THE NORTH. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1981 | Roth, Frances A. (Dewitt, Ed) | U.S. Geological Survey | |
| Updater | 12-SEP-1994 | Orris, Greta J. | 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.