Black Point Mine

Past Producer in Gila county in Arizona, United States with commodity Manganese
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10027376
MRDS ID M002986
Record type Site
Current site name Black Point Mine
Alternate or previous names Malone White
Related records 10185599

Geographic coordinates

Geographic coordinates: -110.86125, 33.54036 (WGS84)
Elevation 960
Relative position 14 MILES BY ROAD NORTH OF GLOBE

Site location context

Political divisions (FIPS codes)

Gila(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rockinstraw Mountain(quadrangle 1:24,000 scale)

Seneca(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salt(hydrologic unit)

Salt(hydrologic accounting unit)

Salt(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Tonto 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 Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 002N 015E 06 Arizona

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -110.86125, 33.54036

Economic information

Ore body information

  • General form IRREGULAR
    Length 106.68M
    Width 2.44M

Controls for ore emplacement

  • The Manganese Deposits Occurs In A Steeply Dipping Shear And Brecciated Zone Cutting Coarse-Grained Granitic Rocks.

Comments on the geologic information

  • SOME ORE IS EXPOSED ALONG NARROW FRACTURES THAT CROP OUT ABOUT 30 FEET EAST OF THE OPENCUT. THE FRACTURES ARE PARALLEL TO THE MAIN ZONE AND ARE EXPOSED IN PLACES ALONG THE STRIKE FOR 200 FEET OR MORE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Giant Cactus District

Production statistics

  • Year 1952
    Material MN
    Accuracy Estimate
    Description Ap_Grade: ^16.1% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Manganese Manganese 16wt-pct
  • Year 1954
    Material MN
    Accuracy Estimate
    Description Ap_Grade: ^25% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Manganese Manganese 25wt-pct
  • Year 1955
    Material MN
    Accuracy Estimate
    Description Ap_Grade: ^28% Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Manganese Manganese 28wt-pct

Workings at the site

  • Type of workings Surface
    Overall depth 9.14M
    Overall length 36.58M
    Overall width 2.13M

Comments on the workings information

  • OPENCUT

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1979 Hall, R. K. (Creasey, S. C.) U.S. Geological Survey

Beyond USGS

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

Authoritative Arizona resources

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