Records of the Geological Survey of India, Volume 139, Part 5The Survey, 2006 - 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 12
... sand and silty clay . Active channel contains medium to coarse sands with pebbles and gravels of vein quartz , gneisses , pegmatite , agate and occasional basalt . Recent shells are also seen . Stable channel bars / channel islands are ...
... sand and silty clay . Active channel contains medium to coarse sands with pebbles and gravels of vein quartz , gneisses , pegmatite , agate and occasional basalt . Recent shells are also seen . Stable channel bars / channel islands are ...
Page 13
... sand dunes are located in an N - S trending linear broad valley . Morphological studies of sand dunes reveal that the aeolian sand occurs in various forms as sand mounds , obstacle dunes ( climbing dune , falling dune , echo dune , and ...
... sand dunes are located in an N - S trending linear broad valley . Morphological studies of sand dunes reveal that the aeolian sand occurs in various forms as sand mounds , obstacle dunes ( climbing dune , falling dune , echo dune , and ...
Page 279
... sand mounds / sand sheets occupying valley whose growth is greatly influenced by vegetation . The validation of interpreted data , through field study , indicates that the sand dunes are mobile in nature and contain loose ...
... sand mounds / sand sheets occupying valley whose growth is greatly influenced by vegetation . The validation of interpreted data , through field study , indicates that the sand dunes are mobile in nature and contain loose ...
Contents
ANDHRA PRADESH | 1 |
Quaternary Geology | 9 |
Project National Geochemica Mapping NGCM | 16 |
Copyright | |
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abutment alignment amphibolite Andhra Pradesh assess bands basin bed rock biotite biotite gneiss block boreholes carried charnockite coast cut-off trench depth district dolerite drilled dunes dyke earth dam enclaves excavation exposed field season folds foliation Formation foundation fresh rock garnet Geochemical Mapping geological mapping GEOTECHNICAL INVESTIGATION gneiss gold grained granite granite gneiss granitoids granodiorite granulite gravity grouting holes hornblende indicated intrusive Item joints Karnataka Kerala Khondalite kimberlite laterite limestone lithounits located lugeons mafic metabasalt migmatite mineralisation minerals moderate mylonite NNW-SSE NW-SE occur overburden pegmatite penstock permeability tests phyllite powerhouse project authorities proposed pyroxene quartz quartz veins quartzite reservoir river samples were collected sand schist belt shale shear zone shotcrete slope soil Specialised Thematic Mapping spillway STAGE GEOTECHNICAL stream sediment samples strike structure studies sulphide surface Tamil Nadu thick toposheet traverse trending tsunami ultramafic upto values varying vertical weathered weir width