Records of the Geological Survey of India, Volume 130, Part 3Government of India, 1995 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 11
... feldspar , Quartz and little colourless mica . Coarse colourless feldspar , Mica books ( colourless ) minor quartz & flourite . Both snow white & pale green bouldary feldspar mica ( both pink & brownish green ) with tourmaline ...
... feldspar , Quartz and little colourless mica . Coarse colourless feldspar , Mica books ( colourless ) minor quartz & flourite . Both snow white & pale green bouldary feldspar mica ( both pink & brownish green ) with tourmaline ...
Page 12
... feldspar 2 3 4 + 2.Very Coarse Colourless feldspar , muscovite ( both brown and pink coloured ) , quartz with flourite and topaz at peaces . 3. Coarse feldspar , quartz and few colourless muscovite 4. Predominantly milky white quartz ...
... feldspar 2 3 4 + 2.Very Coarse Colourless feldspar , muscovite ( both brown and pink coloured ) , quartz with flourite and topaz at peaces . 3. Coarse feldspar , quartz and few colourless muscovite 4. Predominantly milky white quartz ...
Page 100
... feldspar embedded in a very fine grained mosaic of quartz and feldspar containing subordinate amounts of green biotite , colourless mica and or stilpnomelanes . Chlorite is sometimes present and very often fine granules of epidote and ...
... feldspar embedded in a very fine grained mosaic of quartz and feldspar containing subordinate amounts of green biotite , colourless mica and or stilpnomelanes . Chlorite is sometimes present and very often fine granules of epidote and ...
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Common terms and phrases
amphibolite anomaly aquifers bands Bankura BARGARH DISTRICT basemetal basin bed rock belt Bihar biotite block borehole Chhotanagpur chlorite clay coastal CONSTRUCTION STAGE GEOTECHNICAL cratonic Dalma depth Dhanjori Dimension Stone Director district drilling earth dam east Engineering Geology environmental fault feldspar field season fold foliation Formation Ganga Gangpur geochemical Geoenvironmental GEOLOGICAL MAP GEOLOGICAL SURVEY Geophysical GEOTECHNICAL INVESTIGATION gneiss gold values Gondwana grained granite granite gneiss granitoids grey Group of rocks INDEX indicate irrigation Keonjhar land laterite lineament lithounits located mica schist minerals nala occur Orissa ORISSA Code OVERVIEW pegmatite phyllite potential present Project Engineering Geology Proterozoic Purulia quartz quartz veins quartzite Quaternary river rock types sand sandstone scale schist sector sequence shale shear zone Sikkim Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples sulphide Sundargarh surface SURVEY OF INDIA terrain thickness toposheet trending ultramafic upto volcanics West Bengal