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Black Eagle Mine

Producer in Santa Cruz county in Arizona, United States with commodities Manganese, Silver, Lead, Copper, Gold
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10109891
MRDS ID M899942
Record type Site
Current site name Black Eagle Mine
Related records 10234988

Geographic coordinates

Geographic coordinates: -110.71678, 31.45125 (WGS84)
Elevation 1646
Relative position 2 MILES BY ROAD SSW OF HARSHAW

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Harshaw(quadrangle 1:24,000 scale)

Nogales(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)

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 Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 023S 016E 09 SE OF NW Arizona

Comments on the location information

  • CLAIMS ADJOIN THE BENDER MINE CLAIMS ON THE NORTH AND WEST; LOCATED ON NE SLOPE OF AMERICAN PEAK, ALONG UPPER END OF HARDSHELL GULCH ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Manganese Critical Primary
Silver Primary
Lead Primary
Copper Secondary
Gold Secondary

Materials information

Materials Type of material
Wad Ore

Alteration

  • (Local) Replacement Of Limestone By Irregular Ore Bodies

Analytical data

Result MID-1900'S ASSAY VALUES AVERAGED 19.9% MN, 28 OZ/TON AG, 0.9% PB, 0.18% CU

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Concha Limestone;Scherrer Formation
    Rock description Concha Limestone;Scherrer Formation
    Stratigraphic age (youngest) Early Permian
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -110.71678, 31.45125
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Silicic Lavas And Flow Breccias With Subordinate Silicic Tuffs And Smaller Bodies Of Limestone Conglomerate
Type of structure Local
Structure description Fracture Zone Roughtly Parallels Bedding Planes Of Silicified Limestone

Ore body information

  • General form IRREGULAR LENTICULAR
    Strike NE
    Dip 30-40NW
    Thickness 2.44M
    Length 121.92M

Controls for ore emplacement

  • Irregular Lenticular Bodies Along Ne-Trending Fracture Zone In Limestone

Comments on the geologic information

  • BELOW ABOUT 100 FT HIGHER GRADE ORE BODIES MORE WIDELY SEPARATED AND ORE SHOOTS DECREASE IN SIZE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Year of first production 1918
Year of last production 1930

Mining district

District name Harshaw District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Marstellar, Grover

Workings at the site

  • Type of workings Surface/Underground
    Area 0.263HA
    Length 185.93M
    Overall depth 54.86M
    Overall length 91.44M
    Overall width 30.48M

Comments on the workings information

  • DEVELOPMENTS INCLUDED AN ADIT AND INCLINED SHAFT 180 FT. DEEP; BULK OF ORE WAS MINED IN OPEN STOPES IN UPPER 100 FT OF WORKINGS; SOME ORE MINED ABOUT 200 FT WEST OF SHAFT IN INCLINED WORKINGS AND STOPES 60 FT LONG (PARALLELLING STRIKE) AND 30 FT WIDE (ALONG DIP); 200 FT NE OF SHAFT, MINERALIZED ZONE EXPLORED BY SEVERAL SHALLOW SURFACE CUTS AND AN INCLINED ADIT ABOUT 60 FT LONG

Comments on development

  • PROPERTY COMPRISES 3 UNPATENTED CLAIMS; CLAIMS NOT EXTENSIVELY WORKED UNTIL WORLD WAR I; OPERATORS AND OWNERS INCLUDED KEMPTON AND O'NEILL, PIERCE AND GARDNER, MCCUTCHEN, HOGAN SCHELER, ALVAREZ, SOTO, MARSTELLER, J.M. LAYMAN

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MINERALIZED ZONE IS EXPOSED 400 FT OR MORE ALONG STRIKE AND CONTAINS 3 DISCONNECTED ORE SHOOTS THAT HAVE YIELDED PAST PRODUCTION; MAIN ORE SHOOT IS EXPOSED ON SURFACE A DISTANCE OF 100 FT
Deposit SEE ALSO: BENDER MINE (ALSO OWNED IN 1940'S BY MARSTELLER) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit Discovery Year: LATE 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1982 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

External references

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.