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Mirmahmud, Iran

Past Producer in Iran with commodity Chromium
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  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 10079684
MRDS ID W029764
Record type Site
Current site name Mirmahmud, Iran

Geographic coordinates

Geographic coordinates: 57.30104, 36.78184 (WGS84)
Elevation 1500
Relative position ABOUT 60 KM NE OF ABBAS-ABAD

Site location context

Political divisions (FIPS codes)

Iran(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Iran

Comments on the location information

  • EW-STRIKING ZONE OF ULTRAMAFIC ROCKS CONTAINING CHROME ORES SOUTH OF THE ROAD SHARUD-MESHED

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Serpentinization

Analytical data

Result CR/FE: 2.63-2.89-3.15
Result CR2O3: 47.7 %
Result FE: 10.7 %
Result SIO2: 4-7 %

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Harzburgite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Colored Melange Formation
    Rock description Colored Melange Formation
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Harzburgite

Nearby scientific data

(1) 57.30104, 36.78184
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults

Ore body information

  • General form LENSES
    Thickness 3.5M
    Length 50M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1965

Mining district

District name Froumad District

Ownership information

  • Type Owner
    Owner Mining And Metallurg. Co. Of Iran

Comments on the production information

  • UP TO NOW OWNLY RICH ORES CONTAINING OVER 40 % CR2O3 WERE USED,HAND PICKING LOWER GRADES REJECTED

Comments on the reserve resource information

  • RESERVES OF INDIVIDUAL DEPOSITS ABOUT 20000 MET TONS, RARELY 30000 MET TONS.

Workings at the site

  • Type of workings Surface/Underground
    Overall length 1828.8M
    Overall width 400M

Comments on development

  • SEVERAL PITS, 6 ADITS AND STOPES

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: LEONARDELLI, A. 1972: UNPUBLISHED REPORT

  • Deposit

    SCHMIDT, H.L. 1974: ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE, V IRAN, BG

  • Production

    LEONARDELLI, A. 1972,UNPUBLISHED REPORT

General comments

Subject category Comment text
Deposit MIRMAHMUD AND SARUR WITHIN AN ULTRAMAFIC BELT. EW BETWEEN SHARUD AND MESHED
Deposit VARIONS SMALL SCALE OPERS. PRODUCING INTERMITTENTLY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1978 Cottala, S.C. U.S. Geological Survey

Beyond USGS

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

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