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Barcroft

Producer in Sussex county in Delaware, United States with commodity Magnesite
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Production statistics
  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 10289182
MAS/MILS ID 0100050009
Record type Site
Current site name Barcroft
Alternate or previous names Barcroft Seawater Operation

Geographic coordinates

Point of reference Plant
Geographic coordinates: -75.16072, 38.78313 (WGS84)
Elevation 3
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Sussex(county)

Delaware(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lewes(quadrangle 1:24,000 scale)

Seaford(quadrangle 1:100,000 scale)

Salisbury(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Broadkill-Smyrna(hydrologic unit)

Lower Delaware(hydrologic accounting unit)

Delaware-Mid Atlantic Coastal(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Delaware Sussex

Commodities

Commodity Importance
Magnesite Primary

Nearby scientific data

Plant (1) -75.16072, 38.78313
ListMap

Economic information

Ore body information

  • Area 6.7HA
    Field Value
    Total Surface Area (HA) 6.7
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Processing Plant
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Nonfloating Plant
Year of first production 1972
Milling method Hydrometallurgy Unspecified

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Barcroft Co.
    Interest 100
    Home office P O Box 481, Lewes, De 19958
    Year 1993

Comments on the ownership information

  • TOTAL REQUIRED PLANT PERSONNEL IS 30. PLANT LIFE ESTIMATED TO BE 50 YEARS. THE BARCROFT COMPANY IS A WHOLLY-OWNED SUBSIDIARY OF RORER GROUP, INC, 500 VIRGINIA DR, FORT WASHINGTON, PA 19034

Production statistics

  • Year 1975
    Description Mg(Oh)2 Paste 501 Mt Mgo Product
  • Year 1976
    Description Mg(Oh)2 Paste 501 Mt Mgo Product
  • Year 1977
    Description Mg(Oh)2 Paste 501 Mt Mgo Product
  • Year 1978
    Description Mg(Oh)2 Paste 533 Mt Mgo Product
  • Year 1979
    Description Mg(Oh)2 Paste 433 Mt Mgo Product
  • Year 1980
    Description Mg(Oh)2 Paste 794 Mt Mgo Product
  • Year 1981
    Description Mg(Oh)2 Paste 904 Mt Mgo Product
  • Year 1982
    Description Mg(Oh)2 Paste 919 Mt Mgo Product
  • Year 1983
    Description Mg(Oh)2 Paste 1334 Mt Mg(Oh)2 Paste/Year
  • Year 1984
    Description Mg(Oh)2 Paste 1333 Mt Mg(Oh)2 Paste/Year
  • Year 1985
    Description Mg(Oh)2 Paste 1320 Mt Mg(Oh)2 Paste/Year
  • Year 1986
    Description Mg(Oh)2 Paste 1395 Mt Mg(Oh)2 Paste/Year

Comments on the production information

  • PRECISE MILL RECOVERY IS 67.3 PERCENT.
  • PRODUCTION FIGURES BY THE COMMODITY SPECIALIST

Comments on the reserve resource information

  • MAT 1 RESERVE BASED ON 1982 ANN FEED H20 X 50 YEARS RESERVES SHOWN REFLECT CURRENT PRODUCTION AND A FACILITY LIFE OF 50 YEARS: BASED ON 380 GPM H20 (OR 2,234 MT H20 PER DAY) X 330 DAYS FOR 50 YEARS.
  • PRODUCES MAGNESIUM FROM SEAWATER PLANT PHONE NUMBER: 302-645-7761

Workings at the site

  • Type of workings Water
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method BRINE PUMPING
    Percent Recovery 100
    Primary type of Cover NO OVERBURDEN
    Max. Tidal Change (meters) 1.5
    General Remarks SEAWATER PUMPING
    Capacity 450
    Capacity Units MT ORE/DAY
    Unit Production Cost 0
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 3
    Operating Hours per Day 24
    Year of Information 1983

Comments on the workings information

  • TOTAL LAND HOLDING IS 6.7 HECTARES.

Reference information

Bibliographic references

  • Deposit

    HILL, M.N. (ED.). THE SEA: IDEAS AND OBSERVATIONS ON

  • Deposit

    PROGRESS IN THE STUDY OF THE SEAS. V. 2, INTERSCIENCE

  • Deposit

    PUBLISHERS. DIVISION OF JOHN WILEY AND SONS, INC.,

  • Deposit

    NEW YORK, 1963, P. 10.

  • Deposit

    JOHNSTONE, S.J. AND M.G. JOHNSTONE. MINERALS FOR THE

  • Deposit

    CHEMICAL AND ALLIED INDUSTRIES. JOHN WILEY AND SONS,

  • Deposit

    INC., NEW YORK, 1961, P. 339.

  • Deposit

    LADOO, R.B. AND W.M. MYERS. NONMETALLIC MINERALS. MCGRAW-

  • Deposit

    HILL BOOK COMPANY, INC., 1951, P. 302.

General comments

Subject category Comment text
Deposit THE BARCROFT SEAWATER OPERATION WAS VISITED BY MA PERSONNEL IN FEBRUARY 1984. THE FACILITY IS A SEAWATER COLLECTION/PROCESSING FACILITY. THE PLANT ALSO PRODUCES ALUMINA HYDROXIDE. THE UPDATE WAS DONE OCTOBER 1987

Reporter information

Type Date Name Affiliation Comment
Reporter 09-SEP-1994 Hartos U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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