Records of the Geological Survey of India, Volume 124, Parts 5-6Government of India, 1991 - 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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... porphyritic to sparsely porphyritic Highly weathered with 3 to 4 sparsely to mode- rately porphyritic flow units Cherty limestone / chert bands up to 1.00 m Compound 15 m pahoehoe " Comprises 3 to 4 units , the bottom unit being highly ...
... porphyritic to sparsely porphyritic Highly weathered with 3 to 4 sparsely to mode- rately porphyritic flow units Cherty limestone / chert bands up to 1.00 m Compound 15 m pahoehoe " Comprises 3 to 4 units , the bottom unit being highly ...
Page 11
... porphyritic with honey yellow felspar phenocrysts , compact and massive aa flow Fine grained , highly porphyritic compact and massive with well developed columnar joints , aa flow Fine grained , highly porphyritic , light grey ...
... porphyritic with honey yellow felspar phenocrysts , compact and massive aa flow Fine grained , highly porphyritic compact and massive with well developed columnar joints , aa flow Fine grained , highly porphyritic , light grey ...
Page 12
... porphyritic to very sparsely porphyritic and highly vesicular . However , patches of hard com- pact medium grained moderately porphyritic flow units rich in stumpy crystals of dark pyroxene and reddish brown minerals occur between the ...
... porphyritic to very sparsely porphyritic and highly vesicular . However , patches of hard com- pact medium grained moderately porphyritic flow units rich in stumpy crystals of dark pyroxene and reddish brown minerals occur between the ...
Contents
Andhra Pradesh | 1 |
Karnataka and Goa | 61 |
Tamil Nadu Kerala | 109 |
Copyright | |
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Common terms and phrases
aa flows amphibolite ANDHRA PRADESH ANDHRA PRADESH Code anomaly Archaean bands basalt flows basement basin biotite block bole boreholes carried charnockite chert clay coarse compound pahoehoe comprises Deccan Trap deposits depth dips DISTRICT dolerite drilling dykes emplaced exposed feldspar field season foliation Formation gabbro geochemical GEOLOGICAL MAP Geologist Jr geophysical GEOTECHNICAL gneiss gneissic gold Gondwana granite granite gneiss gravel grey Group hornblende INDEX indicated intrusives investigation joints KARNATAKA kimberlite laterite lava limestone located Madhya Pradesh MADHYA PRADESH Code magnetite MAHARASHTRA metabasalt migmatites mineral mineralised zone Nagpur NW-SE occur pahoehoe pegmatite phenocrysts phyllite pink granite plagioclase Plate-2 porphyritic quartz quartz reefs quartz veins quartzite Quaternary reservoir river rock types samples sandstone scale schist schist belt sediments shale shear zone soil spillway sq km stratigraphic strike length studies sulphide Supergroup surface surveys TAMIL NADU thick toposheet traverse trench trending ultramafic upto volcanic width