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. |
From inside the book
Results 1-3 of 72
Page 6
... dykes and dyke like bodies of coarse hornblendite - diorite . The MME exhibit smooth , lobate to cuspate margins . Plagioclase phenocrysts and xenocrysts of K - feldspar and / or quartz are present in some . The magmatic nature of the ...
... dykes and dyke like bodies of coarse hornblendite - diorite . The MME exhibit smooth , lobate to cuspate margins . Plagioclase phenocrysts and xenocrysts of K - feldspar and / or quartz are present in some . The magmatic nature of the ...
Page 89
... dyke swarms ranging in composition from gabbro through dolerite to basalt . Two sets of dykes are present viz . ( i ) ENE - WSW and ( 2 ) N - S . Of these , the ENE trending dyke system constitutes the major dyke swarms and are cut by N - S ...
... dyke swarms ranging in composition from gabbro through dolerite to basalt . Two sets of dykes are present viz . ( i ) ENE - WSW and ( 2 ) N - S . Of these , the ENE trending dyke system constitutes the major dyke swarms and are cut by N - S ...
Page 133
... dyke on the right abutment near village Chagallu , Anantapur District , Andhra Pradesh . Preliminary geological investigation was carried out during Field Seasons 1990-91 and 1991- 92 involving geological mapping along the dam alignment ...
... dyke on the right abutment near village Chagallu , Anantapur District , Andhra Pradesh . Preliminary geological investigation was carried out during Field Seasons 1990-91 and 1991- 92 involving geological mapping along the dam alignment ...
Contents
ANDHRA PRADESH | 1 |
Quaternary Geology | 9 |
Project National Geochemica Mapping NGCM | 16 |
Copyright | |
8 other sections not shown
Other editions - View all
Common terms and phrases
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