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Alvah Gray 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. Economic information about the deposit and operations
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10082337
MRDS ID W055065
Record type Site
Current site name Alvah Gray Mine
Alternate or previous names Alvan Gray, Alvey Gray, Sand Flats Mine, Fritts Farm Mine

Geographic coordinates

Geographic coordinates: -74.89904, 40.715 (WGS84)
Elevation 268

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

  • TOTAL YIELD ESTIMATED AT 8400 TONS

Materials information

Materials Type of material
Magnetite Ore

Analytical data

Result AVERAGE 52% FE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -74.89904, 40.715
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1873
Year of last production 1880

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Saucon Iron Co.
    First year 1880
  • Type Owner
    Owner Daniel Rega Rd1 Glen Gardner, Nj
    First year 1985

Comments on the workings information

  • ORE WAS MINED AT A DEPTH OF 60 FEET. ONE SHAFT, FILLED IN, VISIBLE (1985) APPOX 18 FEET IN DIAMETER

Comments on development

  • OPENED 1873 WORKED FOR SHORT PERIOD; CLOSED; REOPENED IN 1879 TILL 1880

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; PP 347-348

  • Deposit

    FIELD CHECKED 1985

  • Deposit

    COOK, GEO. H. 1880, ANNUAL REPORT OF THE STATE GEOLOGIST, FOR THE YEAR 1880; PG 124

General comments

Subject category Comment text
Deposit SURFACE ORE ESSENTIALLY FREE OF SULFUR BUT INCREASED IN DEPTH SO MUCH THAT MINE WAS CLOSED

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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