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
... seen as a thin ribbon all along the river and mappable units of T , are seen west and southwest of Sunkani and near Shelgaon where it has a height of 1m and width of 2-30m . Compositionally it contains fine sand and silty clay . Active ...
... seen as a thin ribbon all along the river and mappable units of T , are seen west and southwest of Sunkani and near Shelgaon where it has a height of 1m and width of 2-30m . Compositionally it contains fine sand and silty clay . Active ...
Page 214
... seen with in the migmatitic gneiss . Thin pink granite / pegmatite veins are also seen at places . The rock shows flow folds and broad warps with swerving foliation in the down stream areas . Foliation direction is N15 ° to 20 ° W - S15 ...
... seen with in the migmatitic gneiss . Thin pink granite / pegmatite veins are also seen at places . The rock shows flow folds and broad warps with swerving foliation in the down stream areas . Foliation direction is N15 ° to 20 ° W - S15 ...
Page 232
... seen . Due to which the dip and trend of foliation varies from place to place . The general trend of foliation is NW / SE with dip on NE and SW direction . Three to four prominent joint sets are observed . No shear or dyke is seen . No ...
... seen . Due to which the dip and trend of foliation varies from place to place . The general trend of foliation is NW / SE with dip on NE and SW direction . Three to four prominent joint sets are observed . No shear or dyke is seen . No ...
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