Gore Placer

Prospect in Baltimore county in Maryland, United States with commodities Aluminum, Calcium, Chromium, Iron, Magnesite, Silica, Titanium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10242528
MAS/MILS ID 0240050003
Record type Site
Current site name Gore Placer

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.82107, 39.41503 (WGS84)
Elevation 158

Site location context

Political divisions (FIPS codes)

Baltimore(county)

Maryland(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Reisterstown(quadrangle 1:24,000 scale)

Baltimore(quadrangle 1:100,000 scale)

Baltimore(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Gunpowder-Patapsco(hydrologic unit)

Upper Chesapeake(hydrologic accounting unit)

Upper Chesapeake(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Maryland Baltimore

Commodities

Commodity Importance
Aluminum Critical Tertiary
Calcium Tertiary
Chromium Critical Primary
Iron Tertiary
Magnesite Tertiary
Silica Tertiary
Titanium Critical Tertiary

Materials information

Materials Type of material
Chromite Unknown

Nearby scientific data

Ore Body (1) Ultramafic Rocks

Economic information

Ore body information

  • Thickness 0.7M
    Length 305M
    Width 61M
    Area 1.9HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 PLACER
    Shape of Orebody #1 TABULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control BEDDING
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. .7
    Total Surface Area (HA) 1.8999
    Date of Last Modification 820616

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Both
Significant Yes
Mining method Alluvial Mining
Milling method Gravity

Mining district

District name Soldiersdelight

Mineral rights holdings

Type of mineral rights Fee Ownership
Type of mineral rights Private Lease
Type of mineral rights State Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mr Paul D Gore
    Interest 100
    Home office Maryland
    Year 1943

Comments on the ownership information

  • OWNER: PAUL D. GORE. LOCATED ON LAND SCHEDULED FOR STATE

Comments on the production information

  • ASSAY OF CHROMITE CR:FE ABOUT 1:1, FEO 33%, AL2O3 16%.

Reserves and resources

  • Type In-situ
    Estimate year 1979
    Indicated 15800mt ore
    Demonstrated 15800mt ore
    Total resources 15800mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 4.17 wt-pct Chromium Major 1979

Comments on the reserve resource information

  • RESERVE WAS ROUNDED UP TO 29,000 TONNES FROM THE SUMMARY FILE FIGURE OF 28,700 TONNES. Q MATRIX REFLECTS TONNAGE & GRADE DERIVED FROM THE WASHED SAMPLE REPORTED IN R MATRIX. M9C4 = M1C1.

Workings at the site

  • Type of workings Surface
    Area 1.9HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Swell Factor .8
    Percent Waste Rock 0
    Avg. Overburden Thickness 0
    Hardness of Ore SAND, SILT
    Capacity 200
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 3.36
    Units of Production $/MT ORE
    Operating Days per Year 145
    Operating Shifts per Day 1
    Year of Information 1978

Reference information

Bibliographic references

  • Reserve-Resource

    JERMAIN G D,CONFIDENTIAL WAR MINERALS REPORT REG. FILE 539

  • Deposit

    PEARRE N HEYL A U S G S BULL 1082K PG 760 1960

  • Deposit

    SINGEWALD JOSEPH T NOTES ON FELDSPAR QUARTZ CHROME AND MANGA

  • Deposit

    IN MARYLAND MARYLAND GEOL SUR VOL 12 1928 PGS 158-191

  • Deposit

    MARYLAND REGIONAL PLANNING COUNCIL. GENERAL DEVELOPMENT PLA

  • Deposit

    THE BALTIMORE REGION. BALTIMORE, MARYLAND, SEPT. 1972, 133

  • Deposit

    HUNTER, W.L., G.V. SULLIVAN. "UTILIZATION STUDIES ON

  • Deposit

    JERMAIN, G.D., WAR MINERALS REPORT NO 539, USBM, 1943

General comments

Subject category Comment text
Deposit SUBSEQUENT WEATHERING HAS FREED FINELY DIVIDED CHROMITE THROUGH DISINTEGRATION OF THE SERPENTINES THE CHROM AS ACCUMULATED AS MINABLE SAND AND GRAVEL PLACERS A SAMPLE OF SAND CHROME WAS COLLECTED AT THIS PROPERTY IN 1917 AND SUBJECTED TO SCREEN AND CHEMICAL ANALYSIS ANALYSIS OF THE SAND CHROME CONCENTRATE IS AS FOLLOWS CR2O3- FEO-32.54% S102-9.82% AL203-15.82% MGO-3.05% CAO-.10% T102 - .80% THE CR FE RATIO IS 1:1 FROM TABLE 6 USGS BUL 1082K P 74 EIGHT SAMPLES WERE TAKEN TO BEDROCK IN 1943 OWNERSHIP DATA TAKEN FROM WMR REG FILE NO.. 539 JULY, 1943, CURRENT OWNER UNDETERMINED THE DOMAIN MAY NOW BE STATE OWNED AS THE RESULT OF A RECENT PROGRAM TO ACQUIRE LANDS AND DESIGNATE TH ENVIRONMENTAL ENHANCEMENT AREAS AND WATER RESOURCE SITES CAL E SOLDIERS DELIGHT STATE NATURAL ENVIRONMENTAL AREA FROM THE ERAL DEVELOPMENT PLAN FOR THE BALTIMORE REGION SEPT 1972 PRE ED BY THE BALTIMORE COUNTY REGIONAL PLANNING COUNCIL A TELEP CONVERSATION WITH THE SAME PLANNING BOARD CONFIRMED THAT THE HAS PURCHASED LARGE TRACTS IN THE AREA FOR THE PURPOSE OF PR G ITS NATURAL FEATURES A FEW OF THE PLACER STREAMS DRAIN INT ERTY LAKE A RESERVOIR FOR THE BALTIMORE CITY AREA ENVIRONMENTAL ENHANCEMENT AREA. THE CUSTOM MILL WOULD BE LOCATED ON THE WEST PLACER CHROMITE DEPOSIT NEAR OAKWOOD, MARYLAND.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-FEB-1995 Pk-Mf-Cpm U.S. Bureau of Mines

Beyond USGS

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