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Randall Hill Mine

Past Producer in Morris county in New Jersey, United States with commodity Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10021811
MRDS ID DE01313
Record type Site
Current site name Randall Hill Mine

Geographic coordinates

Geographic coordinates: -74.59348, 40.88417 (WGS84)
Elevation 287

Site location context

Political divisions (FIPS codes)

Morris(county)

New Jersey(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dover(quadrangle 1:24,000 scale)

Newark(quadrangle 1:100,000 scale)

Newark(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Raritan(hydrologic unit)

Lower Hudson(hydrologic accounting unit)

Lower Hudson-Long Island(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States New Jersey Morris

Comments on the location information

  • INFO FROM LAND.ST :(1970)

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • DURING 1879-1880 8,360 TONS WERE PRODUCED.

Materials information

Materials Type of material
Magnetite Ore
Apatite Gangue

Analytical data

Result 1880 ANALYSIS YIELDED 44.51% FE, 0.577% P.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Quartz Plagioclase Gneiss
    Rock description Quartz Plagioclase Gneiss
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -74.59348, 40.88417
ListMap

Economic information

Ore body information

  • Strike N40E
    Dip 45SE
    Thickness 2.13M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1855
Year of last production 1882

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Crane Iron Co.
  • Type Owner
    Owner David Sweetwood
    Home office P.O. Box 200 Parsippany, Nj. 07054

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 213.36M
    Overall length 182.88M

Comments on the workings information

  • IN 1868 THE WORKINGS EXTENDED FOR A DISTANCE OF 600 FT AND A DEPTH OF 450 FT MEASURED ON AN ANGLE OF 45 DEGREE. IN 1880, DEPOSITS WORKED THROUGH 2 STOPES, ONE 700 FT DEEP THE OTHER 300 FT DEEP. FOUND MANY PITS, SEVERAL GARBAGE-FILLED, OLD H OIST WORKINGS PRESENT.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit APATITE IN THE ORE. DEPOSIT IS TERMINATED AT BOTH ENDS BY FAULTS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Kaeding, Margaret E. (Bell, Christy A.) New Jersey Bureau of Geology and Topography

Beyond USGS

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

Maps centered on this site