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  3. Mineral Resource Data System (MRDS)

Phu Nhouan

Occurrence in Xiangkhoang, Laos 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. Alteration
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10022211
MRDS ID DE02275
Record type Site
Current site name Phu Nhouan
Alternate or previous names Phou Nhouan

Geographic coordinates

Geographic coordinates: 103.33305, 19.39968 (WGS84)
Relative position ON A MOUNTAIN RIDGE CALLED PHU (OR PHOU) NHOUAN, 5 KM LONG, JUST NORTH OF XIENG KHOUANG

Site location context

Political divisions (FIPS codes)

Xiangkhoang(province)

Laos(country)

Geographic areas

Country State
Laos Xiangkhoang

Commodities

Commodity Importance
Iron Primary

Alteration

  • (Local) Locally And At The Surface The Ore Is Altered To Limonite

Analytical data

Result ORE IS HIGH-GRADE, POSSIBLY UP TO 70 PER CENT (IRON).

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) 103.33305, 19.39968
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Economic information

Ore body information

  • Length 4000M

Controls for ore emplacement

  • The Iron Deposit May Be Of Metasomatic Origin, But This Is Not Certain.

Comments on the geologic information

  • MOST OF THE CREST OF THE RIDGE IS FORMED OF IRONSTONE, OVER A LENGTH OF 4 KM

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Medium
Significant No

Comments on the reserve resource information

  • RESERVES MIGHT TOTAL SOME HUNDREDS OF MILLIONS OF TONS.

Reference information

Bibliographic references

  • Deposit

    ATLAS OF MINERAL RESOURCES OF THE ESCAP REGION, VOLUME 7, LAO PEOPLE'S DEMOCRATIC REPUBLIC, UNITED NATIONS ECONOMIC AND SOCIAL COMMISSION FOR ASIA AND THE PACIFIC, 1990

General comments

Subject category Comment text
Deposit THE IRONSTONE CAN BE TRACED DOWN THE SOUTHERN (DIP) SLOPE OF THE MOUNTAIN FOR SEVERAL HUNDRED METERS, APPARENTLY AS OUTCROP.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 Jenness, Jane E. U.S. Geological Survey

Beyond USGS

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

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