Records of the Geological Survey of India, Volume 126, Parts 4-6The Survey, 1993 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 195
... exposed through- out the periphery of the cutting edge , below a 0.4 m thick moderately weathered schist . A 1.23 m deep sump excavated in the central part of the foundation pit also exposed fresh and hard rock ( i.e. , upto RL 16.25 m ) ...
... exposed through- out the periphery of the cutting edge , below a 0.4 m thick moderately weathered schist . A 1.23 m deep sump excavated in the central part of the foundation pit also exposed fresh and hard rock ( i.e. , upto RL 16.25 m ) ...
Page 5
... exposed The metasedimentaries are probably the oldest rocks exposed in the area . They comprise quartzite , marble and schistose amphibolite and occur as enclaves within gneisses , gabbro and diorite . The size of these enclaves varies ...
... exposed The metasedimentaries are probably the oldest rocks exposed in the area . They comprise quartzite , marble and schistose amphibolite and occur as enclaves within gneisses , gabbro and diorite . The size of these enclaves varies ...
Page 75
... ( exposed ) Fine - grained , very sparsely porphyritic with large - sized plagioclase phenocrysts measuring upto 2 cm in length , megaporphyritic compound pahoehoe flow ; top not exposed in this area . 510 m impersistently developed red ...
... ( exposed ) Fine - grained , very sparsely porphyritic with large - sized plagioclase phenocrysts measuring upto 2 cm in length , megaporphyritic compound pahoehoe flow ; top not exposed in this area . 510 m impersistently developed red ...
Contents
Arunachal Pradesh | 1 |
Mineral InvestigationII Arunachal Pradesh | 9 |
Geology of parts of Karbi Anglong North Cachar Hills and Nowgaon | 15 |
Copyright | |
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acid amphibolite ANDHRA PRADESH bands basalt biotite biotite gneiss block boreholes charnockite chert complex dam axis Deccan Trap depth DISTRICT dolerite dolomite drilling enclaves ENE-WSW Engineering Geology Division exposed feldspar field season flows folds foliation Formation gabbro geochemical GEOLOGICAL MAP Geophysical GEOTECHNICAL INVESTIGATIONS gneiss gneissic gold grained granite granite gneiss granitoids granulite grey Group hornblende INDEX indicated intrusives joints KARNATAKA kimberlite limestone lineament located mafic magnetic magnetite Maharashtra metabasalt migmatite mineral mineralised zone Nagpur Narmada NE-SW NNE-SSW NNW-SSE NW-SE occur pegmatite pink granite plagioclase porphyritic power house PRADESH Code pyrite pyroxene pyroxenite quartz quartz veins quartzite Regional Geology Division reservoir rhyolite river Sakoli samples sandstone scale schist schist belt schistose sediments shale shear zone slope soil Sp Sp spillway sq km strike length structures studies sulphide surveys syenite thick toposheet traverses trench trending tunnel ultramafic upto valley volcanics width Δ Δ Δ