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  3. Mineral Resource Data System (MRDS)

Viliena

Producer in Goa, India with commodity Manganese
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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. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10003874
MRDS ID AD00239
Record type Site
Current site name Viliena

Geographic coordinates

Geographic coordinates: 74.25048, 15.16676 (WGS84)
Relative position ABOUT 35KM SOUTHEAST OF MARGAO

Site location context

Political divisions (FIPS codes)

Goa(province)

India(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
India Goa

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Braunite Ore
Jacobsite Ore
Manganite Ore
Pyrolusite Ore
Chlorite Gangue
Goethite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result * MATERIAL MNO2 MNO TE203 SI02 AL203 TI02 CAO MGO P205 LO1 LATERITE ZONE 81.37 1.87 5.39 1.54 2.05 0.03 0.06 0.03 0.09 7.53 BRECCIA ZONE 66.67 1.65 9.13 9.91 1.53 0.05 0.08 0.04 0.11 11.51 POWDERY ZONE 72.71 1.73 10.31 1.99 2.75 0.06 0.07 0.03 0.24 10.17 *EACH MATERIAL SHOWS THE AVERAGE OF 5 SAMPLES

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock
  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
    Rock unit name Dharwar Supergroup
    Rock description Dharwar Supergroup

Nearby scientific data

(1) 74.25048, 15.16676
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Extensive Area Of Shear Zones (About 50km Long, About 20km Wide)

Ore body information

  • General form BOULDERS AT SURFACE, CONCRETIONS, LENSES, POCKETS

Controls for ore emplacement

  • Crest Of Anticlines

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    DESSAI, A.G., 1985 AN APPRAISAL OF THE MANGANESE ORE DEPOSITS OF GOA, INDIA. PROC. INDIAN NATN SCI.ACAD., 51/A/6: 1021-1032.

  • Deposit

    DESSAI, A.G. AND DESHPANDE, G.G., 1980 MINERALOGY AND PARAGENESIS OF THE MANGANESE ORE DEPOSITS OF SANGUEM DISTRICT, GOA, INDIA. RECENT RES. GEOL, 6: 471-483

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Pracejus, Bernard.M. Adelaide University

Beyond USGS

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

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