|
|
TYPES
OF ORE DEPOSITS
|
TECTONIC
SETTING
|
LOCALITY
|
GEOLOGICAL
AGE
|
|
1.
|
RELATED
TO BASIC/ULTRABASIC IGNEOUS INTRUSIVES.
|
|
1.1
|
Stratiform
deposits in layered complexes
|
Cratons
|
Kondepalle(?)
Sitampundi(?)
Hassan
|
Early
Proterozoic
Early
Proterozoin
Archaean
|
|
2.
|
MASSIVE
SULFIDE DEPOSITS IN VOLCANIC ASSOCIATION
|
|
2.1
|
Cupreferous
deposits associated with mafic volcanics
|
Rift-ridges/island
arcs/craton-margin dislocations.
|
Kalyadi
(S. India)
Ingaldahl
Singhbhum
|
Archaean
Archaean-E.
Proterozoic
Early-Late
Proterozoic
|
|
3.
|
ORES
IN SEDIMENTS |
|
3.1
|
Sediment
hosted sulfide deposits
|
Ensialic
Rift Basins
|
Khetri
|
Mid-Late
Proterozoic
|
|
3.2
|
Lead-zinc
ores in clastic sediments
|
Ensialic
Rift Basins/Epicontinental Basins
|
Agucha
Rajpura-Dariba
|
Archaean
Mid-Late
Proterozoic
|
|
3.3
|
Lead-zinc
ores in carbonate rocks (Bulk Mississippi Valley type)
|
Ensialic
Rift Basins/Epicontinental Basins
|
Zawar(?)
|
Early
Proterozoic
|
|
3.4
3.4.1
|
Iron
Ores
Banded
Iron Formations |
Greenstone
Belts/Epicontinental Basins
|
Bababudan-Sandur
Bihar
Orissa(?)
|
Archaean-E.
Proterozoic
Late
Archaean
|
|
3.5
|
Manganese
Ores
|
Ensialic
Basins/epicontinental seas/eugeosynclines
|
Bihar-Orissa
Madhya
Pradesh-Maharashtra
|
Late
Archaean
Mid-
Late Proterozoic
|
|
4.
|
ORE
DEPOSITS ASSOCIATED WITH ACID-INTERMEDIATE PLUTONIC/HYPABYSSAL ROCKS
|
|
4.1
|
Porphyry-type
copper deposits
|
Orogenic
belts/subduction zones
|
Malanjkhand
|
Early-Middle
Proterozoic
|
|
4.2
|
Tin-tungsten
deposits
|
Orogenic
belts with ensialic magmatism
|
Chhendapathar(?)
|
Late
Proterozoic
|
|
5.
|
VEIN
DEPOSITS IN METAMORPHOSED ROCKS
|
|
5.1
|
Gold-quartz
veins
|
Greenstone
belts and Phanerozoic orogens
|
Kolar
Hutti
|
Archaean
Archaean
|
|
5.2
|
Uranium
veins in shear zones
|
Regional
shear zones
|
Singhbhum
|
Middle-Late
Proterozoic
|
|
6.
|
LATERITIC
DEPOSITS
|
|
6.1
|
Bauxite
deposits
|
Continental
platforms
|
Bihar-Madhya
Pradesh
|
Phanerozoic
|
|
6.2
|
Lateritic
Ni-deposits
|
Non-specific
|
Sukinda
|
Phanerozoic
|
