Mine detail: Rivona

Previously called ''

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Location

Lat / long:

15.16676, 74.10881

Resource(M)

Primary:	Manganese
Ore:	Braunite, Jacobsite, Manganite, Pyrolusite
Gangue:	Chlorite, Goethite, Quartz, Sericite
Orebody form:	BOULDERS AT SURFACE, CONCRETIONS, LENSES, POCKETS

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Dharwar Supergroup
Host type:	Phyllite
Associated type:	Diorite,Gabbro,Mafic Metamorphic Rock,Gneiss
Structure:	Large Area Of Shear Zones (About 50km Long, About 20km Wide)
Tectonic:	Indian Peninsular Shield
Alteration processes:	Oxidation

References

MRDS	AD00226
DEP	10097587
Reference	{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 : 47I - 488}
Reporter	Pracejus, Bernard.M.