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 62
... DETAILED GEOLOGICAL MAP OF RANGACHANG BLOCK , S.ANDAMAN ( T.S.No.87A. the present lava is enriched in LILE such as Rb , Sr , Ba , etc. and in LREE but depleted in HREE relative to N - type MORB . Since the Barren lava is a heterogeneous ...
... DETAILED GEOLOGICAL MAP OF RANGACHANG BLOCK , S.ANDAMAN ( T.S.No.87A. the present lava is enriched in LILE such as Rb , Sr , Ba , etc. and in LREE but depleted in HREE relative to N - type MORB . Since the Barren lava is a heterogeneous ...
Page 4
... detailed study for assessment , ( 2 ) detailed mapping on 1 : 5,000 scale of blocks / zones identified as prom- ising locales suitable for commercial exploitation and ( 3 ) study of geotechnical and others properties of granite . During ...
... detailed study for assessment , ( 2 ) detailed mapping on 1 : 5,000 scale of blocks / zones identified as prom- ising locales suitable for commercial exploitation and ( 3 ) study of geotechnical and others properties of granite . During ...
Page 63
... detailed geological investigations . It has been suggested to prepare detailed contour plan on 1 1000 scale showing the layout of the project in order to undertake detailed geological investigations . Detailed explora- tions can be ...
... detailed geological investigations . It has been suggested to prepare detailed contour plan on 1 1000 scale showing the layout of the project in order to undertake detailed geological investigations . Detailed explora- tions can be ...
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