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Seneca Mine

Past Producer in Cochise county in Arizona, United States with commodities Cadmium, Copper, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10208450
MRDS ID M241046
MAS/MILS ID 0040030208
Record type Site
Current site name Seneca Mine
Alternate or previous names Lewis Group, Leroy Mines Co., Senecia Mine, Senecia, Senika, Coronado Nf Dragoon Unit
Related records 10046201

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -109.98316, 31.96513 (WGS84)
Elevation 1798
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cochise Stronghold(quadrangle 1:24,000 scale)

Chiricahua Peak(quadrangle 1:100,000 scale)

Douglas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Willcox Playa(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 017 S 023 E 10 SE Arizona

Comments on the location information

  • WORKINGS EXTEND INTO SW SEC. 11, T17S, R23E.

Commodities

Commodity Importance
Cadmium Tertiary
Copper Secondary
Lead Secondary
Silver Secondary
Zinc Critical Primary

Nearby scientific data

Main Entrance (1) -109.98316, 31.96513
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1916
Year of first production 1942

Mining district

District name Middle Pass District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Le Roy Mines Co.
    Interest 100
    Home office Arizona
    Year 1942

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Inferred 28000mt ore
    Total resources 28000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.95 wt-pct Copper Minor 1994
    Zinc Zn 0.2 wt-pct Zinc Major 1994
    Silver Ag 75 g/mt Silver Minor 1994

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1973, ARIZ BUR MINES BULL 187, P. 64.

  • Deposit

    MAHONEY, C. G., 1942, USBM UNPUB. WAR MINERALS MEMO ON

  • Deposit

    SENECA MINE, P. 1-2.

  • Deposit

    WILSON, E. D., 1951, ARIZ BUR MINES (NOW AZBGMT) BULL 158,

  • Deposit

    P. 26.

  • Deposit

    CHATMAN, M. L., 1993, USBM OFR MLA 30-93, P. 37, D35-36.

General comments

Subject category Comment text
Deposit OPEN ADITS POSE HUMAN HAZARDS DUE TO BAD BACK CONDITIONS AND OPEN GRIZZLY CHUTES.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-JAN-1994 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.