Records of the Geological Survey of India, Volume 128, Parts 3-5Government of India, 1993 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 180
... trench between RD 840 m and RD 950 m was geologically assessed and evaluated . The foundation of COT is on different types of soil layer and such as brownish clayey coarse sand mixed with shingles and reddish clay . Permeability tests ...
... trench between RD 840 m and RD 950 m was geologically assessed and evaluated . The foundation of COT is on different types of soil layer and such as brownish clayey coarse sand mixed with shingles and reddish clay . Permeability tests ...
Page 4
... trenches were dug intersecting the strike of the veins over a distance of 500m . Each trench was dug upto 1.5m to 1.8m depth and then a hand - operated ' augur ' was used on the trench - floor of reach further 1.5m depth . Thus in one ...
... trenches were dug intersecting the strike of the veins over a distance of 500m . Each trench was dug upto 1.5m to 1.8m depth and then a hand - operated ' augur ' was used on the trench - floor of reach further 1.5m depth . Thus in one ...
Page 125
... trench between Ch 1.100 and 2.000 km was carried out on 1 : 100 scale . The walls of the trench expose highly weathered purple shale in the top 0.3 m between . Ch 1.100 and 1.485 km ; and 0.3 and 2 m thick reddish brown clayey soil ...
... trench between Ch 1.100 and 2.000 km was carried out on 1 : 100 scale . The walls of the trench expose highly weathered purple shale in the top 0.3 m between . Ch 1.100 and 1.485 km ; and 0.3 and 2 m thick reddish brown clayey soil ...
Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
alignment amphibolite Andaman Andhra Pradesh apatite bands basemetal basin Bihar biotite block boreholes carbonatite charnockite chlorite clay conglomerate covered depth dips district dolerite drilling dykes Eastern excavation exposed fault field season fold foliation Formation fractures gabbro geochemical geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold mineralisation Gondwana grade grained granite granite gneiss granulite grey Group of rocks INDEX indicated intersected intrusives joints Karnataka kimberlite laterite limestone lineaments lithounits located magnetic magnetite migmatite mineral NE-SW NW-SE occur Orissa pegmatite phyllite power house Project proposed pyrite quartz quartz veins quartzite Quaternary regional reservoir river rock types samples sandstone scale schist schist belt schistose sedimentary shale shear zone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment strike length structures sulphide Tamil Nadu thick tion toposheet traverse trench trending tunnel ultramafic upto valley volcanics West Bengal