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 171
... shear zone is a major NNE - SSW trending feature traced for nearly 60 km from near Ponniyar in the north upto Attur valley in the south . Evidences of car- bonatite activity and gold mineralisation are known in the south along Attur ...
... shear zone is a major NNE - SSW trending feature traced for nearly 60 km from near Ponniyar in the north upto Attur valley in the south . Evidences of car- bonatite activity and gold mineralisation are known in the south along Attur ...
Page 173
... shear zone . Katpadi Shear Zone runs in N - S direction with an average width of 500 m and having a traceable length of 8 km . It thins down in the south and mostly follows the course of nala running in N - S direction . Another major shear ...
... shear zone . Katpadi Shear Zone runs in N - S direction with an average width of 500 m and having a traceable length of 8 km . It thins down in the south and mostly follows the course of nala running in N - S direction . Another major shear ...
Page 177
... shear zone has an average width of about 500 m . A parallel sympathetic shear , namely Kallar shear , is seen just west of Pachaimalai extending from Ninankarai and beyond in the north to Shobhanapuram in the south . Both Gangavalli shear ...
... shear zone has an average width of about 500 m . A parallel sympathetic shear , namely Kallar shear , is seen just west of Pachaimalai extending from Ninankarai and beyond in the north to Shobhanapuram in the south . Both Gangavalli shear ...
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