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 iii
... bodies bringing the number of such bodies discovered so far to 30. However , the available data indicate that this lamproitic clan of rocks is non - diamondiferous . Ancient diamond workings , suggestive of proximity of the primary ...
... bodies bringing the number of such bodies discovered so far to 30. However , the available data indicate that this lamproitic clan of rocks is non - diamondiferous . Ancient diamond workings , suggestive of proximity of the primary ...
Page 20
... bodies in Vedadri and Nallabandagudam areas . Pyroclastic structures are seen in these bodies at places ( blow outs ) . The xenoliths that they contain are mostly crustal - derived . Mantle xenoliths are rare or absent . EPMA studies ...
... bodies in Vedadri and Nallabandagudam areas . Pyroclastic structures are seen in these bodies at places ( blow outs ) . The xenoliths that they contain are mostly crustal - derived . Mantle xenoliths are rare or absent . EPMA studies ...
Page 202
... bodies on either side of this zone . Gravity highs traced at Naddenhalli and Nattamedu represent anorthosite bodies ( Fig . 1 ) . The high magnetic closures in the central part repre- sent anorthosite , which is an intrusive into ...
... bodies on either side of this zone . Gravity highs traced at Naddenhalli and Nattamedu represent anorthosite bodies ( Fig . 1 ) . The high magnetic closures in the central part repre- sent anorthosite , which is an intrusive into ...
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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