Stephens Mine

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

Geologic information

Identification information

Deposit ID 10082455
MRDS ID W055197
Record type Site
Current site name Stephens Mine
Alternate or previous names Stevens Mine

Geographic coordinates

Geographic coordinates: -74.73237, 40.84611 (WGS84)
Elevation 305

Site location context

Political divisions (FIPS codes)

Morris(county)

New Jersey(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chester(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

  • DIFFICULT NOW (1986) TO TELL MINE FROM MT. OLIVE MINE ; INFO FROM LAND.ST :(1970)

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Magnetite Ore
Feldspar Gangue
Limonite Gangue
Pyrite Gangue

Analytical data

Result FE WAS 63-68% BUT HEAVILY CONTAMINATED WITH PYRITE

Nearby scientific data

(1) -74.73237, 40.84611

Economic information

Ore body information

  • General form VEIN
    Strike ORE NE TO SW
    Dip 45 SE
    Width 1.22M

Comments on the geologic information

  • HANGING WALL WAS A FINE GRANULAR MIXTURE OF FELDSPAR & MAGNETITE. FOOTWALL WAS ALTERED FELDSPAR WITH MUCH MAGNETITE AND STAINED WITH LIMPNITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1848
Year of first production 1848
Year of last production 1879

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 27.43M
    Overall depth 4.57M

Comments on development

  • ABANDONED IN 1855 DUE TO HIGH PYRITE CONTENT IN ORE AT DEPTH. REOPENED IN 1879 BUT WAS SOON CONSOLIDATED INTO THE MT. OLIVE MINE

Reference information

Bibliographic references

  • Deposit

    BAYLEY, WILLIAM S. 1910, IRON MINES AND MINING IN NEW JERSEY, VOL. VII OF THE FINAL REPORT SERIES OF THE STATE GEOLOGIST; PG 326

  • Deposit

    FIELD CHECKED 1986

  • Deposit

    KITCHELL, WILLIAM 1856, SECOND ANNUAL REPORT OF THE STATE OF NEW JERSEY FOR THE YEAR 1855, PP. 177-178

General comments

Subject category Comment text
Deposit VEIN WAS 2 FT WIDE AT SW, MIDDLE WAS 4 FT WIDE, NE END WAS 1 FT WIDE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1986 Simonds, Raymond 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.