Black Hawk Ore Body

Past Producer in Iron county in Utah, United States with commodity Iron
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10087265
MRDS ID D005939
Record type Site
Current site name Black Hawk Ore Body

Geographic coordinates

Geographic coordinates: -113.38747, 37.61887 (WGS84)
Elevation 2012
Relative position 6100 FEET EAST OF UTAH 56-IRONTON ROAD INTERSECTION

Site location context

Political divisions (FIPS codes)

Iron(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Page Ranch(quadrangle 1:24,000 scale)

Cedar City(quadrangle 1:100,000 scale)

Cedar City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Escalante Desert(hydrologic unit)

Escalante Desert-Sevier Lake(hydrologic accounting unit)

Escalante Desert-Sevier Lake(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Utah Iron

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 036S 014W 35 Utah

Comments on the location information

  • SECTION SUBDIVISIONS: SE 1/4 SW 1/4 SE 1/4

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • AT THE SURFACE THE ORE WAS EXTREMELY HARD AND DENSE, BUT WITH DEPTH THE ORE CHANGED TO LARGE MASSES OF SOFT GRANULAR ORE.

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Apatite Gangue
Calcite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Iron Mtn Pluton
    Rock description Iron Mtn Pluton
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Hanestake Limestone Member Of Carmel Formation
    Rock description Hanestake Limestone Member Of Carmel Formation

Nearby scientific data

(1) -113.38747, 37.61887

Economic information

Geologic structures

Type of structure Regional
Structure description Sevier Thrust System
Type of structure Local
Structure description Iron Mtn Intrusion, Faulting

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Fracturing, Faulting, Favorable Limestone Beds

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Year of first production 1936

Mining district

District name Pinto Iron

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner U.S. Steel Corp.

Comments on the production information

  • DEPOSIT HAS BEEN MINED OUT.

Workings at the site

  • Type of workings Surface
    Area 40.47HA

Comments on the workings information

  • BURCH MINE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE BLACK HAWK ORE BODY WAS A LARGE REPLACEMENT DEPOSIT IN A ROOF PENDANT OF HANESTAKE LIMESTONE. THE DEPOSIT HAS BEEN DEPLETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Stegan, Ralph J. Bureau of Land Management

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.