Mount Pleasant 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. 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 10021796
MRDS ID DE01292
Record type Site
Current site name Mount Pleasant Mine

Geographic coordinates

Geographic coordinates: -74.56681, 40.90083 (WGS84)
Elevation 207

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)

Hackensack-Passaic(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 :(197?)

Commodities

Commodity Importance
Iron Primary

Comments on the commodity information

  • TOTAL YIELD 400,000 TONS

Materials information

Materials Type of material
Magnetite Ore
Apatite Gangue
Biotite Gangue
Calcite Gangue
Chalcedony Gangue
Microcline Gangue
Pyrite Gangue
Siderite Gangue

Analytical data

Result ORE OAVERAGED 67% FE AND 1.0%

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
    Rock unit name Amphibolite
    Rock description Amphibolite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Precambrian
    Chronological age 1000000000
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Precambrian
    Chronological age 1000000000

Nearby scientific data

(1) -74.56681, 40.90083

Economic information

Ore body information

  • Strike N43E
    Dip 57SE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1786
Year of last production 1896

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Mt. Pleasant Mining Co.
  • Type Owner
    Owner New Jersey Department Of Transportation
    Home office Routes 80 And 15

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 213.36M
    Overall length 701.04M

Comments on the workings information

  • MANY DEEP PITS AND TAILINGS PILES STILL ARE PRESENT.

Comments on development

  • OWNED BY BOONTON IRON COMPANY PRE 1868; 1879-1896 OWNED BY J. COUPER LORD ESTATES.

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 1987.

  • Deposit

    SIMS, P.K, 1958. GEOLOGY AND MAGNETITE DEPOSITS OF THE DOVER DISTRICT, MORRIS COUNTY NJ GEOL SURVEY PROF. PAPER 287.

  • Deposit

    STATE OF NJ DEPT. OF LABOR AND INDUSTRY 1978. ABANDONED IRON MINES OF ROCKAWAY TWP, MORRIS COUNTY N.

  • Deposit

    COOK, GEORGE H., 1868. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1868.

  • Deposit

    COOK, GEORGE H., 1879. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1879.

  • Deposit

    SMOCK, JOHN C., 1890. ANNUAL REPORT OF THE STATE GEOLOGIST FOR THE YEAR 1890.

General comments

Subject category Comment text
Deposit DEPOSIT CUT BY NORMAL FAULTS. ORE WAS MAGNETITE WITH CALCITE

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.