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 64
... scale mapping on 1 : 12,500 scale covering 35 km2 to delineate the spatial disposition of the various lithounits surrounding Halekallu area . ( ii ) detailed geological mapping on 1 : 1000 scale covering 0.2 km2 of Halekallu band to ...
... scale mapping on 1 : 12,500 scale covering 35 km2 to delineate the spatial disposition of the various lithounits surrounding Halekallu area . ( ii ) detailed geological mapping on 1 : 1000 scale covering 0.2 km2 of Halekallu band to ...
Page 72
... scale mapping on 1 : 10,000 scale , detailed mapping on 1 : 2000 scale , trenching , drilling and sampling Large scale mapping ( LSM ) on scale 1 : 10,000 has brought out 2.5 km . long shear zone at 750 m north of Yatkal village which ...
... scale mapping on 1 : 10,000 scale , detailed mapping on 1 : 2000 scale , trenching , drilling and sampling Large scale mapping ( LSM ) on scale 1 : 10,000 has brought out 2.5 km . long shear zone at 750 m north of Yatkal village which ...
Page 264
... scale and LSM on 1 : 25000 scale 2 ( Fig . 65 ) was carried out over an area of 100 Km around Saidapuram area of Nellore district . The NSB in the southern part is dominantly made up of metabasalts , amphibolites with subordinate ...
... scale and LSM on 1 : 25000 scale 2 ( Fig . 65 ) was carried out over an area of 100 Km around Saidapuram area of Nellore district . The NSB in the southern part is dominantly made up of metabasalts , amphibolites with subordinate ...
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