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Amba Dongar Fluorspar Deposit

Producer in Gujarat, India with commodity Fluorine-Fluorite
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Reserves and resources
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10107284
MRDS ID W007002
Record type Site
Current site name Amba Dongar Fluorspar Deposit

Geographic coordinates

Geographic coordinates: 74.08383, 21.99948 (WGS84)
Relative position 500 KM. NORTH OF BOMBAY NEAR AMBA DONGAR VILLAGE

Site location context

Political divisions (FIPS codes)

Gujarat(province)

India(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
India Gujarat

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Barite Gangue
Dickite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification And Fenetization Of Carbonatites

Analytical data

Result RESERVES: 30% CAF2

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Carbonatite, Intrusive
    Rock unit name Carbonatite Breccia;Ankeritic Carbonatite;K Feldspar Xenolithis
    Rock description Carbonatite Breccia;Ankeritic Carbonatite;K Feldspar Xenolithis
    Stratigraphic age (youngest) Early Permian
    Stratigraphic age (youngest) Eocene
  • Host or associated Host
    Rock type Plutonic Rock > Carbonatite, Intrusive
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Sovite;Bagh Sandstone
    Rock description Sovite;Bagh Sandstone

Nearby scientific data

(1) 74.08383, 21.99948
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description E - W Tertiary Rift Fault (Narmada Valley), Deccan Plateau
Type of structure Local
Structure description Joints, Cavities

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Joints And Cavities In Carbonatites. Boundary Zone Between Sovite Ring Dike And Feldspathized Bagh Sandstone

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No

Mining district

District name Baroda District

Ownership information

  • Type Owner-Operator
    Owner Gujarat Mineral Development Corp.

Production statistics

  • Year 1972
    Material F
    Accuracy Estimate
    Description Ap_Grade: ^30. % Caf2 (Ore)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    CaF2 Fluorine-Fluorite Fluorine 30wt-pct

Comments on the production information

  • MILL CAPACITY SINCE MAY 1970 HAS BEEN 20,000 MET. TONS ACID GRADE, 20,000 MET. TONS METALLURGICAL GRADE ANNUALLY. HOWEVER, GMDC HAS BEEN UNABLE TO SOLVE SEVERAL PRODUCTION PROBLEMS WHICH HAVE SLOWED OUTPUT.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 11600000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 30 wt-pct Fluorine Major 1973

Comments on the workings information

  • DEPOSITS OCCUR DISCONTINUOUSLY IN THE BOUNDARY ZONE OF A SOVITE RING DIKE AND FELDSPATHIZED BAGH SANDSTONES. VEINS ARE 1 TO 3 M. WIDE AND EXTENDING A SHORT DISTANCE.

Comments on development

  • THE UNAVAILABILITY OF MODERN MINING EQUIPMENT, INADEQUATE MINE DEVELOPMENT, CONTAMINATED MINE-RUN ORES, INEFFECTIVE QUALITY CONTROL AT MINE AND PLANT, AND MATERIALS-HANDLING DIFFICULTIES AT PLANT HAVE SLOWED PRODUCTION. ; ECON.COM: FLOTATION MILL AT KADIPANI NEAR BARODA. INSTALLED CAPACITY (1970) IS 20,000 MET. TON MET. GRADE, 20,000 MET. TONS ACID GR./YEAR.

Reference information

Bibliographic references

  • Deposit

    DEANS, T. AND OTHERS, 1972, METASOMATIC FELDSPAR ROCKS (POTASH FENITES) ASSOCIATED WITH THE FLUORITE DEPOSITS AND CARBONATITES OF AMBA DONGAR, INDIA: INST. MINING AND METALLURGY (LONDON), FEB. 1972.

  • Deposit

    SWEETWOOD, C., 1973, FLUORSPAR (AND CRYOLITE), STATE DEPARTMENT COMMUNICATION FROM NEW DELHI MINERAL ATTACHE, A-191, JUNE 1973, P. 50 - 52

  • Production

    SWEETWOOD, C., 1973, STATE DEPT. COMMUNICATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1975 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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