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 77
... trending range of hillocks . The porphyritic hornblende grantie and hornblende - biotite grantie occupy low lying areas while the grey biotite granite is exposed as small hillocks to the north of Gabbur . A number of prominent quartz ...
... trending range of hillocks . The porphyritic hornblende grantie and hornblende - biotite grantie occupy low lying areas while the grey biotite granite is exposed as small hillocks to the north of Gabbur . A number of prominent quartz ...
Page 122
... trending E - W . The main minerals are chalco- pyrite , pyrite , magnetite , specularite and haematite . Samples from a N - S trending 960m x 4 to 15m shear zone containing brecciated quartz veins ( cherty at places ) , at Gogalgatti ...
... trending E - W . The main minerals are chalco- pyrite , pyrite , magnetite , specularite and haematite . Samples from a N - S trending 960m x 4 to 15m shear zone containing brecciated quartz veins ( cherty at places ) , at Gogalgatti ...
Page 1
... trending WNW - ESE . These are intruded by ultrabasic bodies , pyroxenite and metabasic dykes and also by pink , medium grained granite and porphyritic granite . The youngest phase of intrusives is represented by pegmatites and quartz ...
... trending WNW - ESE . These are intruded by ultrabasic bodies , pyroxenite and metabasic dykes and also by pink , medium grained granite and porphyritic granite . The youngest phase of intrusives is represented by pegmatites and quartz ...
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