Records of the Geological Survey of India, Volume 135, Parts 4-5Government of India, 2000 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 10
... represented by the Quaternary and Tertiary sediments . Quaternary sediments are represented by ferruginous sandy clay and clayey sand , occasional variegated clay pockets , fossil wood fragments and lateritic capping in the low lying ...
... represented by the Quaternary and Tertiary sediments . Quaternary sediments are represented by ferruginous sandy clay and clayey sand , occasional variegated clay pockets , fossil wood fragments and lateritic capping in the low lying ...
Page 10
... represented by the Khetabari Formation and Ziro Gneiss ( Fig . - 29 ) . These are intruded by younger Rilo Granite , basic dykes , pegmatite and quartz veins . During the course of work 75 bedrock samples and 33 stream sediment samples ...
... represented by the Khetabari Formation and Ziro Gneiss ( Fig . - 29 ) . These are intruded by younger Rilo Granite , basic dykes , pegmatite and quartz veins . During the course of work 75 bedrock samples and 33 stream sediment samples ...
Page 112
... representing the main feldspar phase . The mafics are mainly represented by diopside / diopsidic augite . Invariably , all the pyroxene grains show alteration to brown biotite . Quartz , magnetite and apatite occur as accessories . On ...
... representing the main feldspar phase . The mafics are mainly represented by diopside / diopsidic augite . Invariably , all the pyroxene grains show alteration to brown biotite . Quartz , magnetite and apatite occur as accessories . On ...
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Common terms and phrases
alignment alluvium amphibolite Andhra Pradesh Arunachal Pradesh Assam bands Basin bedrock biotite block boreholes Brahmaputra carried charnockite Chitradurga clay contour Cuddapah depth district drilled dykes east eastern excavation fault flood plain folds foliation Formation foundation fractures geoenvironmental geological mapping Geotechnical Investigation gneiss gold mineralisation gold values granite granite gneiss granulite gravity grey ground water Group hills indicated joints Karnataka Kerala khondalite kimberlite Krishna Kurnool lamproite limestone lineament located magnetic Meghalaya metabasalt migmatite mineral Mizoram NE-SW NW-SE occur pegmatite Peninsular Gneissic Complex penstock phyllite pink powerhouse Project proposed quartz quartz veins quartzite Quaternary regional river rock samples sand sandstone scale schist belt Serchhip shale shear zone slope soil southern Specialised Thematic Mapping sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structural studies sulphide surface surveys Tamil Nadu terrain thick toposheets traversed trench trending tunnel valley village weathered width के