Records of the Geological Survey of India, Volume 129, Parts 3-4Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 96
... rock for diamonds . Lithology and Structure On the basis of photo - recognition criteria four major lithounits were identified in the area under study : ( 1 ) Basement gneissic complex : ( 2 ) The East- ern Ghat group of rocks ; ( 3 ) ...
... rock for diamonds . Lithology and Structure On the basis of photo - recognition criteria four major lithounits were identified in the area under study : ( 1 ) Basement gneissic complex : ( 2 ) The East- ern Ghat group of rocks ; ( 3 ) ...
Page 118
Geological Survey of India. PETROLOGICAL AND GEOCHEMICAL STUDIES OF THE VOLCANIC ROCKS , CARBONATE ROCKS AND THE MAFIC - ULTRAMAFIC SUITE OF ROCKS OF THE SATBARWA - MAHUADANR - BHARNO AREA , PALAMAU AND RANCHI DISTRICTS , BIHAR ( Code No ...
Geological Survey of India. PETROLOGICAL AND GEOCHEMICAL STUDIES OF THE VOLCANIC ROCKS , CARBONATE ROCKS AND THE MAFIC - ULTRAMAFIC SUITE OF ROCKS OF THE SATBARWA - MAHUADANR - BHARNO AREA , PALAMAU AND RANCHI DISTRICTS , BIHAR ( Code No ...
Page 120
... rocks associated with the Gondwana seqence of the Eastern Himalaya have not yet been studied in detail . The purpose of the investi- gation was to study this suite of rocks with a view to identify the different varieties , understand ...
... rocks associated with the Gondwana seqence of the Eastern Himalaya have not yet been studied in detail . The purpose of the investi- gation was to study this suite of rocks with a view to identify the different varieties , understand ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
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acid volcanics amphibolite Andaman anomaly Arunachal Pradesh Assam bands basemetal basin bed rock belt Bihar biotite block boreholes Chhotanagpur clay Code colour comprising conglomerate covered depth Division drilling dykes east eastern Engineering Geology erosion exploration exposed fault feldspar field season fold foliation Formation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold Gondwana grade granite granite gneiss granitoids grey Group of rocks GSI Rec Hills district identified intrusives Karbi Anglong laterite limestone lineament lithological located medium grained Meghalaya mica schist migmatites mineralisation minerals nala occurs Orissa OVERVIEW pegmatite phyllite plagioclase Proterozoic Purulia district quartz quartz veins quartzite Quaternary Region river sand sandstone scale schist sector sequence shale Shillong Shillong Group Sikkim siltstone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples structure sulphide Surface SURVEY OF INDIA terrain thick Toposheet trending ultramafic upto West Bengal western