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Manja Vihin Magiaian Mine

Occurrence in Somalia with commodities Tin, Tungsten, Tantalum, Niobium (Columbium)
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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. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  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 10011792
MRDS ID D006921
Record type Site
Current site name Manja Vihin Magiaian Mine

Geographic coordinates

Geographic coordinates: 49.01769, 11.08388 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Somalia(country)

Geographic areas

Country
Somalia

Commodities

Commodity Importance
Tin Critical Primary
Tungsten Critical Secondary
Tantalum Critical Secondary
Niobium (Columbium) Critical Secondary

Materials information

Materials Type of material
Cassiterite Ore

Analytical data

Result DIKES CONTAIN AS MUCH AS 4 PERCENT SN. AVERAGE LESS THAN 1 PERCENT.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) 49.01769, 11.08388
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description E-W

Ore body information

  • General form TABULAR
    Thickness 1M
    Length 800M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Comina

Workings at the site

  • Type of workings Surface/Underground
    Length 150M
    Overall depth 75M

Comments on the workings information

  • SEVERAL INCLINED AND VERTICAL SHAFTS ALSO SOME DIAMOND DRILLING (950 M), 600 M OF TUNNELS

Comments on development

  • EXTENSIVE EXPLORATION PRIOR TO WORLD WAR II

Reference information

Bibliographic references

  • Deposit

    HOLMES, R.J., 1954, A RECONNAISSANCE SURVEY OF THE MINERAL DEPOSITS OF SOMALIA (FORMER ITALIAN SOMALILAND): U.S. TECHNICAL ASSISTANCE MISSION (T.A. 45-125) REPORT, 83P

General comments

Subject category Comment text
Deposit STOCKWORK OF PEGMATITES TRENDING N-S AND E-W, AND DIPPING STEEPLY IN ZONE 3 KM LONG (E-W) AND 1 KM WIDE (N-S). CASSITERITE DISSEMINATED IN DIKES.
Deposit HOLMES (1954) DID NOT RECOMMEND FURTHER EXPLORATION FOR SN BECAUSE OF INTERMITTENT OCCURRENCE AND SMALL VOLUME ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1981 Greenwood, William R. U.S. Geological Survey

Beyond USGS

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

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