Records of the Geological Survey of India, Volume 133, Parts 6-7Government of India, 1998 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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... grained , amygdular , non to sparsely porphyritic basalt with plagioclase phenocrysts . It exhibits moderate to high porphyrity in some localities . Some portions are brecciated and zeolitised . The core portion of this lava tube ...
... grained , amygdular , non to sparsely porphyritic basalt with plagioclase phenocrysts . It exhibits moderate to high porphyrity in some localities . Some portions are brecciated and zeolitised . The core portion of this lava tube ...
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... grained , sparsely porphyritic basalt with plagioclase phenocrysts . The associated lava flow is medium grained , vesicular , reddish black in colour with clinopyroxene and some olivine phenocrysts . The rim portion is reddened , baked ...
... grained , sparsely porphyritic basalt with plagioclase phenocrysts . The associated lava flow is medium grained , vesicular , reddish black in colour with clinopyroxene and some olivine phenocrysts . The rim portion is reddened , baked ...
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... grained , massive , cross - bedded speckled sandstone . Reddish , coarse to very coarse - grained , cross - bedded , ripple - marked sandstone with gravel and pebbly layered . Red and light green micaceous shale . Light to dark yellow ...
... grained , massive , cross - bedded speckled sandstone . Reddish , coarse to very coarse - grained , cross - bedded , ripple - marked sandstone with gravel and pebbly layered . Red and light green micaceous shale . Light to dark yellow ...
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Common terms and phrases
amphibolite anomaly associated bands basalt base metal basin belt Bhilwara biotite block boreholes carried clinopyroxene comprises CONSTRUCTION STAGE GEOTECHNICAL core covered database Deccan Trap depth dips drilling dykes exploration exposed fault field season flows folds foliation Formation foundation geochemical Geoenvironmental geological mapping geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold grade grained granite granulite gravity grey Gujarat indicate intersected intrusive Jaisalmer joints Khandwa kimberlite kmĀ² area lava tube limestone lineament located MADHYA PRADESH magnetic Maharashtra metamorphism mineralised zones minerals nala NE-SW NW-SE occur Pandhana pegmatite phase of deformation phenocrysts phyllite plagioclase porphyritic Proterozoic quartz quartz veins quartzite Rajasthan Rajsamand district regional river samples sandstone Sausar scale schist sediments sequence shear zones Sidhi district soil stage geotechnical investigation strike length structure studies sulphide Supergroup survey tectonic thematic maps thick toposheet traversed trench trending tuff ultramafic upto vertical volcanic width