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  3. Mineral Resource Data System (MRDS)

Langdon 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. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10082460
MRDS ID W055203
Record type Site
Current site name Langdon Mine

Geographic coordinates

Geographic coordinates: -74.73126, 40.755 (WGS84)
Elevation 189
Location accuracy 250(meters)

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

  • FOUND PROBABLE SLAG PILES BUT NO OBVIOUS SHAFTS OR PITS

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • IN 1886 PRODUCED 1400 TONS/MONTH

Materials information

Materials Type of material
Magnetite Ore
Mica Gangue
Pyrite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -74.73126, 40.755
ListMap

Economic information

Ore body information

  • Dip SE
    Plunge 20
    Plunge direction SOUTHWEST
    Width 4.57M
    Depth to bottom 30.48M

Comments on the geologic information

  • ASSOCIATED WITH AMPHIBOLITE LENSES

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1880
Year of last production 1886

Ownership information

  • Type Operator
    Owner L. W. Langdon And Son

Comments on the workings information

  • ORCHARD COVERS LOCATION NOW; AT FIRST ORE WAS WORKED BY OPEN PITS BUT LATER THESE WERE TIMBERED AND WORKED UNDERGROUND

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;

  • Deposit

    FIELD CHECKED 1986

  • Deposit

    COOK, GEORGE H., 1883. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1883

  • Deposit

    COOK, GEORGE H., 1886. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1886

General comments

Subject category Comment text
Deposit ORE WAS OXIDIZED TO A DEPTH OF 38' AND WAS FREE OF S; REDUCED ORE BELOW CONTAINED SOME PYRITE & MICA.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-86 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.

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