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  3. Mineral Resource Data System (MRDS)

Semna Gold Mine

Past Producer in Egypt with commodity Gold
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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. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  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 10079505
MRDS ID W029119
Record type Site
Current site name Semna Gold Mine

Geographic coordinates

Geographic coordinates: 33.60055, 26.46605 (WGS84)
Relative position 5 KM E OF GEBEL, 65 KM N OF EL SID

Site location context

Political divisions (FIPS codes)

Egypt(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Egypt

Commodities

Commodity Importance
Gold Primary

Alteration

  • (Local) Sericitization And Chloritization Of Schists

Analytical data

Result PRESENT IN THE AURIFEROUS VEINS ARE: ALUMINUM, IRON, MAGNESIUM, VANADIUM, GOLD, SILVER, TIN, COPPER, COBALT, ZINC, LEAD

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorites;Siliceous And Sericite-Chlorite Schists
    Rock description Diorites;Siliceous And Sericite-Chlorite Schists
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) 33.60055, 26.46605
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Main Structures Run Parallel To The Red Sea Graben

Ore body information

  • General form VEIN
    Dip 45 DEGREES TO 70 DEGREES S
    Thickness 2M
    Length 350M

Controls for ore emplacement

  • Mineralization In Quartz Veins

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 0
Year of first production 0

Workings at the site

  • Type of workings Underground
    Length 300M
    Overall depth 75M

Comments on the workings information

  • THERE ARE 3 SHAFTS CONNECTED BY 2 DRIFTS. TWO OTHER VEINS ARE FOUND, NAMELY THE SOUTHERN AND MIDDLE VEINS WHICH EXTEND RESPECTIVELY FOR 220 METERS AND 300 METERS. THE SOUTHERN VEIN IS BELIEVED TO BE COMPLETELY WORKED OUT.

Comments on development

  • OPERATIONS RESUMED IN 1902

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: OSMAN, MOHARRAM AND OTHERS, 1970, STUDIES ON SOME MINERAL DEPOSITS OF EGYPT, CONTRACT NO. 1247.

  • Deposit

    M.B EL KADI, JUNE 1976, A REVIEW OF THE PROMISING GOLD BEARING DEPOSIT, EASTERN DESERT, EGYPT.

  • Deposit

    OSMAN MOHARRAM AND OTHERS, 1970, STUDIES ON SOME MINERAL DEPOSITS OF EGYPT, CONTRACT NO. 1247

  • Deposit

    1902 PRODUCTION BRITISH CO.

  • Deposit

    1917-20 PRODUCTION

General comments

Subject category Comment text
Deposit ABOVE LEVEL 1 PROVED ORES AMOUNT TO 10000 TONS WITH AN AVERAGE GOLD VALUE OF 15.5 GM/T. BELOW LEVEL 1 TO LEVEL 2, THE RESERVES AMOUNT TO 11600 TONS WITH AN AVERAGE GOLD VALUE OF 4.23-5.58 GM/T. REEXAMINATION OF SEMNA DEPOSIT COULD BE RECOMMENDED TO MAKE THE FINAL ASSESSMENT OF GOLD ; INFO.SRC : 3 FIELD OBSERV; 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1978 Nabil U.S. Geological Survey

Beyond USGS

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

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