Records of the Geological Survey of India, Volume 123, Parts 7-8Government of India, 1988 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 137
... shear zone in the basalt has also been provided in the central part of the foundation of block - 47 by excavating 12 m deep trench below the shear zone in about 60 m length and back filling it with concrete to act as shear key against ...
... shear zone in the basalt has also been provided in the central part of the foundation of block - 47 by excavating 12 m deep trench below the shear zone in about 60 m length and back filling it with concrete to act as shear key against ...
Page 101
... shear zones of 10m to 30m width with exposed strike length upto 100m are also noted . The general trend of the shear zones is N 30 to 40W - S 30 to 40E with steep dips ; but NE - SW shears are also present . All the shear zones have ...
... shear zones of 10m to 30m width with exposed strike length upto 100m are also noted . The general trend of the shear zones is N 30 to 40W - S 30 to 40E with steep dips ; but NE - SW shears are also present . All the shear zones have ...
Page 163
... shears have been encountered at the tunnel grade . Most of these shears are longitudinal shears . However , a major diagonal shear , dipping 70 to 80 / N , and two major cross shears dipping at 20-27 / SE were intersected inside the ...
... shears have been encountered at the tunnel grade . Most of these shears are longitudinal shears . However , a major diagonal shear , dipping 70 to 80 / N , and two major cross shears dipping at 20-27 / SE were intersected inside the ...
Contents
GEOLOGICAL MAPPING Page 1 Highgrade sequence and associated rocks of the Sandmata Complex 1 | 1 |
Mangalwar Project 3 | 3 |
Geological mapping of the Aravalli Supergroup and the associated granitic rocks in Panchmahals district Gujarat 7 | 7 |
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Common terms and phrases
aeolian alluvial Alluvium amphibolite bands basalt basin bedrock belt biotite block boreholes calcareous CHAMOLI DISTRICT channel clay comprises conglomerate covered crystalline deposits depth dipping DISTRICT dolomite downstream dunes dykes excavation exposed fault field season flood plain flows fluvial folds foliation Formation fossils foundation grade Ganga geochemical GEOENVIRONMENTAL geological mapping Geology Division geomorphological geophysical geotechnical gneiss grained granite Granitoid grey Group HIMACHAL PRADESH Himalaya HYDEL indicated intrusive JAMMU joints KASHMIR kmĀ² Krol Ladakh limestone lineament located Mangalwar metre mineral mineralisation nala Older Alluvium pegmatite phyllite porphyritic power house Proterozoic quartz quartz veins quartzite Quaternary Rajasthan regional river rocks samples sand sandstone scale schist sediments sequence shale shear zone silt siltstone Sirohi district Siwalik skarns slate slope spillway sq.km STAGE GEOLOGICAL INVESTIGATION structural studies sulphide surface tectonic terrace thick Thrust toposheet traverse trending tunnel Udaipur district Upper upto UTTAR PRADESH valley Vindhyan volcanics