Records of the Geological Survey of India, Volume 122, Part 5The Survey, 1987 - 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 89
... dykes have good outcrop exposure , the N - S dykes are the youngest . The dykes range in width from a few metres to 30 to 40m and are seen upto 15 km . Dyke swarms are not uncommon . The post - granitic first generation dyke trends in ...
... dykes have good outcrop exposure , the N - S dykes are the youngest . The dykes range in width from a few metres to 30 to 40m and are seen upto 15 km . Dyke swarms are not uncommon . The post - granitic first generation dyke trends in ...
Page 197
... DYKE MAP OF AGALI. Pt 5 , 1989 , pp . 195-201 STUDY OF BASIC DYKES OF KERALA Available geochronological data on the basic dykes of Kerala suggest that the dykes are related to basic magmatism during Mesozoic - Tertiary times . With the ...
... DYKE MAP OF AGALI. Pt 5 , 1989 , pp . 195-201 STUDY OF BASIC DYKES OF KERALA Available geochronological data on the basic dykes of Kerala suggest that the dykes are related to basic magmatism during Mesozoic - Tertiary times . With the ...
Page 203
... dykes are seen in this area but the NNW - SSE oriented dykes are the most prominent and continuous ones ( Plate - 3.11 ) . Here the dolerites , compared to their counterparts in the Agali area , are wider varying in width from 20 to 25 ...
... dykes are seen in this area but the NNW - SSE oriented dykes are the most prominent and continuous ones ( Plate - 3.11 ) . Here the dolerites , compared to their counterparts in the Agali area , are wider varying in width from 20 to 25 ...
Contents
Quaternary Geology and Geomorphology of the Coastal Tracts in East Godavari District | 3 |
Quaternary Geology and Geomorphology of the Coastal Tracts in parts of Nellore District | 11 |
Quaternary Geology and Geomorphology of the Coastal Tracts of Srikakulam Vizianagaram and Visakhapatnam Districts | 19 |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH ANDHRA PRADESH Code anomaly anorthosite Archaean axis bands bed rock biotite biotite granite block boreholes boreholes drilled charnockite charnockite gneiss clay comprises conglomerate dam alignment Deccan Trap depth Dharwar dips DISTRICT dolerite dolerite dykes earth dam enclaves excavated exposed fluvial folds foliation formation foundation fresh rock gabbro GEOLOGICAL MAP GEOPHYSICAL GEOTECHNICAL gneiss Godavari granite granite gneiss granodiorite granulite grey indicated intrusives investigation joints KARNATAKA KERALA landforms laterite left flank limestone located lode magnetite metabasalt metres migmatite NNW-SSE NW-SE occur overburden pegmatite Peninsular gneiss phyllite pink granite PLATE power house PROJECT proposed quartz quartz veins quartzite Raichur reservoir ridge right flank river bed rock types samples sand sandstone scale schist schist belt schistose sediments shale shear zone soil spillway sq km strike length studies suggested Supergroup surface TALUK TAMIL NADU thickness toposheet traversed trench trending ultramafic upto width