| Deposit ID | 10210796 |
|---|---|
| MAS/MILS ID | 0040190049 |
| Record type | Site |
| Current site name | Esperanza Plant |
| Point of reference | Plant |
|---|---|
| Geographic coordinates: | -111.12069, 31.84072 (WGS84) |
| Elevation | 1318 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Pima(county)
Arizona(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Esperanza Mill(quadrangle 1:24,000 scale)
Sells(quadrangle 1:100,000 scale)
Nogales(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Santa Cruz(hydrologic unit)
Santa Cruz(hydrologic accounting unit)
Middle Gila(hydrologic subregion)
Lower Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Arizona | Pima |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Gila and Salt River | 018 S | 012 E | 21 | NWSWSE | Arizona |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Plant (1) | Early Tertiary to Late Cretaceous volcanic rocks |
|---|
| Operation type | Processing Plant |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Ownership category | Unknown |
|---|
| Type | Unknown |
|---|---|
| Owner | Duval Corp. Esperanza |
| ID | 200856 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0040190049 | |
| Mine Safety and Health Administration | MSHA | MSHA | 0200856 |
EVALUATION IN 0040190003
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 21-FEB-1984 | Intermountain Field Operations Center (IFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 01/24/1983 |
|---|---|
| MSHA mine ID | 0200856 |
| Mine name (MSHA) | Esperanza Mill |
| Current operator | Duval Corp |
| Current controller (parent) | Pennzoil Company |
| Mine type | Facility (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MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date.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.