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Bender Mine

Producer in Santa Cruz county in Arizona, United States with commodities Manganese, Silver, Lead, Zinc, Copper
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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 10048355
MRDS ID M899943
Record type Site
Current site name Bender Mine
Alternate or previous names San Fernando, Fernando, Mina Prieta Group, Black Eagle
Related records 10234669

Geographic coordinates

Geographic coordinates: -110.71734, 31.44958 (WGS84)
Elevation 1707
Relative position 10 MI BY ROAD SSE OF PATAGONIA; ;2 MI MY 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 CENTER Arizona

Comments on the location information

  • LOCATED ON NE SLOPE OF AMERICAN PEAK ; INFO FROM LAND.ST :(1979)

Commodities

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

Comments on the commodity information

  • OTHER MINERALS INCLUDE "BLACK CALCITE" (CALCITE CONTAINING FINELY DISSEMINATED MANGANESE MINERALS

Materials information

Materials Type of material
Psilomelane Ore
Pyrite Ore
Pyrolusite Ore
Wad Ore
Hematite Gangue
Limonite Gangue

Alteration

  • (Local) Minor

Analytical data

Result SAMPLES AVERAGED 10-20% MN AND AS MUCH AS 40% MN
Result 20 OZ/TON AG
Result 0.14% PB
Result 0.42% ZN, 0.06% CU
Result 0.6% CACO3

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) -110.71734, 31.44958
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Limestone Forms An Uneven Band As Much As 80 Ft Wide, Bounded On N And E By Volcanic Rocks, And S And W By Unaltered Limestone; Irregular Zone Containing Manganese Occurs Between This Band And The Unaltered Limestone
Type of structure Regional
Structure description Silicic Lavas And Flow Breccias With Subordinate Silicic Tuffs And Smaller Bodies Of Limestone Conglomerate

Ore body information

  • General form TABULAR
    Strike N-S
    Dip E
    Width 6.1M
  • General form TABULAR
    Dip E
  • General form TABULAR
    Dip E

Controls for ore emplacement

  • Steeply E-Dipping, N-S Trending Normal Fault. Ore Occurs As Open-Space Fillings And Crusts In Contact Zone, And As Erratically Distributed, Irregular Replacement Bodies In Limestone

Comments on the geologic information

  • RHYOLITE IS LOCALLY HIGHLY ALTERED TO SERICITE, EPIDOTE, CARBONATE, AND CHLORITE

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 1880
Year of last production 1959

Mining district

District name Harshaw District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Optioned To G. T. Humphries,
    Home office Tucson, Az
    First year 1941
  • Type Owner
    Owner Herman Bender, Patagonia, Arizona ; Grover Marsteller
    First year 1941

Comments on the production information

  • PROPERTY OPERATED INTERMITTENTLY BETWEEN 1952 AND 1955, PRODUCING 3892 L TONS OF 20.1% MN

Workings at the site

  • Type of workings Surface/Underground
    Area 0.652HA
    Length 304.8M
    Overall depth 76.2M
    Overall length 94.49M
    Overall width 73.15M

Comments on the workings information

  • DEVELOPMENTS INCLUDED 2 30-FT SHAFTS, ADIT OF UNKNOWN LENGTH, OPEN-CUTS ALONG NORTHERN AND SOUTHERN MARGINS OF MINERALIZED ZONE (CUTS ARE 10-40 FT LONG, 6-30 FT WIDE, UP TO 25 FT DEEP AND OCCUPY AREA ABOUT 180 FT LONG AND 60 FT WIDE); ADIT WORKINGS CONSIST OF MORE THAN 1000 FT OF CROOKED DRIFTS AND CROSSCUTS, 100-FT-DEEP WINZE AND VA RIOUS SUBLEVELS, 2 RAISES EXTENDING TO SURFACE

Comments on development

  • OWNERS AND OPERATORS INCLUDED AMERICAN MINERALS CHEMICAL CO. PATAGONIA METAL CO, SOUTHWEST METALLURGICAL INDUSTRIES, KARL PETERSON, ALFREDO VALENZUELA, MARSTELLER, CLEVELAND, BEYERLE, STILL BROTHERS MINING CO, PROPERTY COMPRISES 11 UNPATENTED CLAIMS, CLAIMS WERE PROSPECTED AND MINED FOR SILVER AS EARLY AS 1880

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Discovery Year: LATE 1800'S
Deposit SEE ALSO BLACK EAGLE MINE( ALSO OWNED BY MARSTELLER) FOR GEOLOGIC INFORMATION ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit PODLIKE AND IRREGULAR ORE BODIES ARE SEVERAL TENS OF FT IN GREATEST DIMENSION. DEPOSITS ARE ORIENTED IN DIFFERENT DIRECTIONS AND ARE SEPARATED BY VARIOUS-SIZE BODIES OF LEAN OR BARREN LIMESTONE; SHORT DISCONNECTED LENSES RANGE FROM 1-3 FT IN WIDTH; ORE IS HARD AND DENSE

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.

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.