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 29
... granite is the earliest granite emplaced in the area followed by medium to coarse grained leucocratic alkali feldspar granite and granite . Fine grained pink and grey alkali feldspar granite represents youngest granite phase . Quartz ...
... granite is the earliest granite emplaced in the area followed by medium to coarse grained leucocratic alkali feldspar granite and granite . Fine grained pink and grey alkali feldspar granite represents youngest granite phase . Quartz ...
Page 31
... granite and alkali feldspar granite Coarse grained grey granite and alkali feldspar granite Coarse grained grey porphyritic granite , Granodiorite Metabasite , granitised basic rocks , amphibolite and quartz - chlorite- sericite schist ...
... granite and alkali feldspar granite Coarse grained grey granite and alkali feldspar granite Coarse grained grey porphyritic granite , Granodiorite Metabasite , granitised basic rocks , amphibolite and quartz - chlorite- sericite schist ...
Page
... Granite - 1 is a dark grey mafic rich porphyroblastic gneiss ( granodioritic to tonalitic ) occurring only as ; enclaves within the Hanchinal granite as seen SE of Purti- palla , around Hanchinal and Kallur . Hanchinal granite ( Granite ...
... Granite - 1 is a dark grey mafic rich porphyroblastic gneiss ( granodioritic to tonalitic ) occurring only as ; enclaves within the Hanchinal granite as seen SE of Purti- palla , around Hanchinal and Kallur . Hanchinal granite ( Granite ...
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