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Merrill Creek Mica Mine

Past Producer in Warren county in New Jersey, United States with commodity Mica
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10082319
MRDS ID W055043
Record type Site
Current site name Merrill Creek Mica Mine

Geographic coordinates

Geographic coordinates: -75.10627, 40.7425 (WGS84)
Elevation 268

Site location context

Political divisions (FIPS codes)

Warren(county)

New Jersey(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bloomsbury(quadrangle 1:24,000 scale)

Allentown(quadrangle 1:100,000 scale)

Newark(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Delaware-Musconetcong(hydrologic unit)

Upper Delaware(hydrologic accounting unit)

Delaware-Mid Atlantic Coastal(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States New Jersey Warren

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MICA OCCURED UP TO 5 INCHES IN DIAMETER

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Syenite

Nearby scientific data

(1) -75.10627, 40.7425
ListMap

Economic information

Comments on the geologic information

  • PEGMATITIC STREAKS, CONTAINED MICA UP TO 4 OR 5" IN DIAMETER SOMEWHAT WRINKLED AND CONTORTED, MUCH OF IT SPLIT INTO RIBBONS BY PRESSURE PARTING

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1871
Year of last production 1872

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner R. J. Rymer, Stewartsville
    First year 1871
  • Type Owner
    Owner Merrill Creek Project

Comments on the workings information

  • SEVERAL PITS ON WEST SIDE OF BROOK, LARGEST IS 40' LONG BY 15' WIDE; MANY PILES OF MICA SCRAPS

Comments on development

  • EXTENSIVELY WORKED JUDGING BY NUMBER OF PITS AND WASTE MATERIAL BUT RECORDS INDICATE IT WAS ONLY WORKED FOR ONE YEAR

Reference information

Bibliographic references

  • Deposit

    LEWIS, J.V. 1915, NEW JERSEY GEOLOGICAL SURVEY'S PERMENANT NOTES, ON FILE AT NJGS, TRENTON

  • Deposit

    COOK, GEO. H., 1871, ANNUAL REPORT OF THE STATE GEOLOGIST OF NEW JERSEY FOR THE YEAR 1871, PP 38-39

  • Deposit

    FIELD CHECKED 1985

General comments

Subject category Comment text
Deposit PEGMATITE IS RADIOACTIVE IN SECTIONS; AREA WILL SOON BE FLOODED FOR MERRILL CREEK RESERVOIR ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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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