| Deposit ID | 10234784 |
|---|---|
| MRDS ID | M001105 |
| MAS/MILS ID | 0040250537 |
| Record type | Site |
| Current site name | New Congress |
| Alternate or previous names | Queen of the Hills, Congress, Malartic, Malartic Hygrade, Congress Extension, Niagara, Congress Leaching |
| Related records | 10026924, 10234633 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -112.85295, 34.20085 (WGS84) |
| Elevation | 1061 |
| Location accuracy | 100(meters) |
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)
| Country | State | County |
|---|---|---|
| United States | Arizona | Yavapai |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 010 N | 006 W | 23 | N2NENW | Arizona |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Goethite | Unknown |
| Gold | Unknown |
| Pyrite | Unknown |
| Quartz | Unknown |
| Ore Body (1) | -112.85295, 34.20085 |
|---|
| Strike | N90E | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 45N | ||||||||||||||
| |||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1887 |
| Mining method | Open Stope |
| Year of first production | 1887 |
| Milling method | Carbon-In-Pulp-Electrowin |
| District name | Martinez District |
|---|
| Ownership category | Mixed |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Malartic Hygrade |
| ID | 0202340 |
| Interest | 100 |
| Home office | Canada |
| Year | 1992 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040250537 | |
| USGS | Mineral Resources Data System | MRDS | M001105 | MAS references MRDS |
| Mine Safety and Health Administration | MSHA | MSHA | 0202340 |
NIEMUTH, N.J. ARIZONA MINERAL DEVELOPMENT 1984-1986. AZ
DEP. MINES AND MINER. RESOUR., REP. D-29(87), 1987, 46 PP.
MILLS, B.A. (DIRECTOR OF CORPORATE DEVELOPMENT, ECHO BAY
MINES, LTD.). PRIVATE COMMUNICATION, 1988; AVAILABLE UPON
REQUEST FROM M.B. SAWYER, BUMINES, DENVER, CO.
BLM MINING DIST SHEETS 309,310
ADMR CONGRESS MINE FILE
| Subject category | Comment text |
|---|---|
| Deposit | ECHO BAY IS MINING A WESTWARD EXTENSION OF THE NIAGARA VEIN. EXPLORATION WORK WAS DONE IN 1984-85, AND PRODUCTION BEGAN IN MARCH 1988. THIS PROPERTY IS ALSO UNDER USGS MRDS ID NO. M003323. DEPTH TO THE DEPOSIT IS 200-300 FT. LENGTH OF MINERALIZATION IS APPROXIMATELY 2000 FT AND THICKNESS IS 700-800 FT. WIDTH VARIES BETWEEN 1 AND 32 FT AND AVERAGES 4-5 FT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 09-AUG-93 | ADMR | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 06/21/1993 |
|---|---|
| MSHA mine ID | 0202340 |
| Mine name (MSHA) | Congress Mine |
| Current operator | Republic Goldfields Corp |
| Current controller (parent) | Republic Goldfields Inc |
| Mine type | Underground (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.