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 21
... flows are characterised by flow breccia in the top part of the flow , the contact of the flow breccia with the massive basalt being irregualr . At places , the massive basalt occurs as dyke - like apophyses in the flow breccia , as ...
... flows are characterised by flow breccia in the top part of the flow , the contact of the flow breccia with the massive basalt being irregualr . At places , the massive basalt occurs as dyke - like apophyses in the flow breccia , as ...
Page 24
... flows have been delineated . The lowermost flow ( Flow - I ) is highly amygdular and weathered with massive basalt ... flows , except for the percentage of plagioclase , clinopyroxene ( augite ) and olivine phenocrysts . Plagioclase of ...
... flows have been delineated . The lowermost flow ( Flow - I ) is highly amygdular and weathered with massive basalt ... flows , except for the percentage of plagioclase , clinopyroxene ( augite ) and olivine phenocrysts . Plagioclase of ...
Page 26
... flows are exposed at altitudes from 90 m to 362 m above m.s.l. The thickness of individual flows ranges from 10 m to 40 m , the average thickness being 20 m . The flows have a regional dip of 1 ° -2 ° towards west . Flows III , VIII ...
... flows are exposed at altitudes from 90 m to 362 m above m.s.l. The thickness of individual flows ranges from 10 m to 40 m , the average thickness being 20 m . The flows have a regional dip of 1 ° -2 ° towards west . Flows III , VIII ...
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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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 km² 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