Records of the Geological Survey of India, Volume 139, Part 5Vols. 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 6
They have sharp contacts with the host granitoid and are spatially associated
with compositionally similar dykes and dyke like bodies of coarse hornblendite-
diorite. The MME exhibit smooth, lobate to cuspate margins. Plagioclase
phenocrysts ...
They have sharp contacts with the host granitoid and are spatially associated
with compositionally similar dykes and dyke like bodies of coarse hornblendite-
diorite. The MME exhibit smooth, lobate to cuspate margins. Plagioclase
phenocrysts ...
Page 89
All the aforesaid rocks are traversed by a network of mafic 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 ...
All the aforesaid rocks are traversed by a network of mafic 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 ...
Page 277
The rock types of the area are gneiss with numerous enclaves of amphibolites.
intruded by NE — SW trending dolerite dykes and NNE — SSW trending quanz
veins. The axial trace ofthe F2 folds in this area is N l5“ W — S l5" W. Block No.4 ...
The rock types of the area are gneiss with numerous enclaves of amphibolites.
intruded by NE — SW trending dolerite dykes and NNE — SSW trending quanz
veins. The axial trace ofthe F2 folds in this area is N l5“ W — S l5" W. Block No.4 ...
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Contents
Specialised Thematic Mapping | 3 |
Quaternary Geology | 9 |
National Geochemica Mapping NGCM | 16 |
Copyright | |
8 other sections not shown
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Common terms and phrases
addition alignment amphibolite Andhra Pradesh assess bands Based basin biotite block bodies boreholes carried charnockite coast collected Complex construction continued covered cut-off depth detailed developed direction district drilled dunes dyke east eastern excavation exposed extending field folds foliation Formation foundation fresh geological geological mapping geotechnical gneiss gold grained granite Group grouting hill holes indicated intrusive Item joints Karnataka kimberlite length limestone located major measures medium minerals moderate nature noticed observed occur permeability places present proposed quartz quartzite ranging reach recommended regional represented reservoir river rock samples sand scale schist belt sediment seen sets shear zone shows side slope soil southern spaced STAGE stream strike structure studies suggested surface taken Tamilnadu thick traverse trench trending tsunami units values varying veins vertical village weathered western width
Bibliographic information
| Title | Records of the Geological Survey of India, Volume 139, Part 5 |
| Author | Geological Survey of India |
| Publisher | The Survey, 2006 |
| Export Citation | BiBTeX EndNote RefMan |