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  3. Mineral Resource Data System (MRDS)

Kean Mine

Past Producer in Hunterdon 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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10082339
MRDS ID W055067
Record type Site
Current site name Kean Mine
Alternate or previous names Silverthorn, Kane

Geographic coordinates

Geographic coordinates: -74.89321, 40.67972 (WGS84)
Elevation 171

Site location context

Political divisions (FIPS codes)

Hunterdon(county)

New Jersey(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

High Bridge(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 Hunterdon

Comments on the location information

  • INFO FROM LAND.ST :(1970)

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • 200 TONS SHIPPED IN 1880; 1600 TONS IN 1881

Materials information

Materials Type of material
Magnetite Ore

Analytical data

Result SURFACE ORE WAS RED AND FREE OF SULFUR, BELOW IT ORE WAS SULPHUROUS, BELOW THAT SULFUR FREE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Precambrian
    Chronological age 1000000000

Nearby scientific data

(1) -74.89321, 40.67972
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Width 30.48M

Comments on the geologic information

  • ORE CONTAINED PYRITE AND HORNBLENDE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1875
Year of last production 1885

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Large And Herry (Silverthorn Mining Co.)
  • Type Owner
    Owner Realty Transfer Co. Elizabethtown Plaza Elizabeth, Nj
    First year 1985

Comments on the workings information

  • SEVERAL SHAFTS WERE MADE THE DEEPEST REACHING 80 FEET. (1985) 2 SHAFTS 30 FEET IN DIAMETER PARTLY FILLED WITH TIRES ETC. 4 SMALLER PITS. A LONG TRENCH 50 FEET WIDE CONNECTS THE 2 LARGER SHAFTS. OVERGROWN DIRT ROAD RUNS PAST THE MINE

Comments on development

  • EXPLORED BY SEVERAL HOLES IN 1875. REOPENED BY 1880 CLOSED BY 1885

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 357

  • Deposit

    FIELD CHECKED 1985

  • Deposit

    COOK, GEORGE H. 1884, ANNUAL REPORT OF THE STATE GEOLOGIST, FOR THE YEAR 1884; PG 74

General comments

Subject category Comment text
Deposit ORE WAS IN LARGE IRREGULARLY-SHAPED DEPOSITS, CONSISTING A BELT 100 FEET WIDE IN WHICH ORE AND ROCK ARE INTERSPERSED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.

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