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  3. Mineral Resource Data System (MRDS)

Marshall Hall

Occurrence in Portland, Jamaica with commodity Manganese
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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. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10063608
MRDS ID TC37465
Record type Site
Current site name Marshall Hall

Geographic coordinates

Geographic coordinates: -76.43694, 18.16485 (WGS84)
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Portland(province)

Jamaica(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Jamaica Portland

Comments on the location information

  • W BANK OF DRY RIVER NEAR MARSHALL'S HALL.

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Pyrolusite Ore
Chalcedony Gangue
Quartz Gangue

Analytical data

Result 82.3, 70.4, 78.1% MNO2
Result 15.2, 27.8, 15.2% SIO2
Result 0.6, 0.8, 0.8% FE2O3 (THREE SAMPLES 1, 2, 3)

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -76.43694, 18.16485
ListMap

Economic information

Ore body information

  • General form LENTICULAR IN PLAN AND SECTION
    Strike N75W
    Dip VERTICAL, STEEP SW
    Thickness 0.46M
    Length 60.96M
    Width 6.71M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1865
Discoverer Barrett

Reference information

Bibliographic references

  • Deposit

    ZANS, V.A., 1951, ECONOMIC GEOLOGY AND MINERAL RESOURCES OF JAMAICA: GEOLOGICAL SURVEY DEPARTMENT, JAMAICA, B.W.I., BULLETIN NO. 1, 61 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit Discovery Year: 1860'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1992 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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