Records of the Geological Survey of India, Volume 94The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 268
... MASSIVE TRAP . 2.4 29.8 5.6 ( 1773-1496 ft . ) Coarse Massive trap : several calcareous veins about 2.5 cm . thick . Rock is weathered . 4.6 Soft vesicular porphyritic trap , amygdaloidal 3.0 Coarse massive trap 11.9 Hard vesicular trap ...
... MASSIVE TRAP . 2.4 29.8 5.6 ( 1773-1496 ft . ) Coarse Massive trap : several calcareous veins about 2.5 cm . thick . Rock is weathered . 4.6 Soft vesicular porphyritic trap , amygdaloidal 3.0 Coarse massive trap 11.9 Hard vesicular trap ...
Page 269
... massive porphyritic trap : more weathered than the other massive traps in the area . 2.7 Soft vesicular porphyritic trap , amygdaloidal : At 427 metres ( 1400 ft . ) above m.s.1 . two veins of zeolites about 7.5 mm . and one vein in ...
... massive porphyritic trap : more weathered than the other massive traps in the area . 2.7 Soft vesicular porphyritic trap , amygdaloidal : At 427 metres ( 1400 ft . ) above m.s.1 . two veins of zeolites about 7.5 mm . and one vein in ...
Page 275
... Massive Traps ( Count of 2000 points by automatic point counter ) Plagioclase Clino - pyroxene Glass Opaque 1 ... Massive trap ( porphyritic ) collected from the base of the Cave No. IV . 2. Coarse massive trap ( non - porphyritic ) ...
... Massive Traps ( Count of 2000 points by automatic point counter ) Plagioclase Clino - pyroxene Glass Opaque 1 ... Massive trap ( porphyritic ) collected from the base of the Cave No. IV . 2. Coarse massive trap ( non - porphyritic ) ...
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Common terms and phrases
Ajanta Caves amphibole amphibole bearing quartzites amygdaloidal assemblage Balasore Balasore coast basalts beds biotite calc-silicate rocks calcite cent chambers chondrules Coarse colour convolute laminations Cretaceous crystals Deccan Traps dipping district dolerites dune sands dykes east enstatite felspar ferruginous Figured specimen flows folds foraminifera formations G.S.I. Type garnet Genus Geol Geological Geologist Gir forest grade grains granites heavy mineral hematite hills hornblende ilmenite intergrowth kilometres kyanite length Lenticulina limestone magnetite manganese manganese content manganiferous khondalite Marginulina massive trap meta-sediments metamorphism meteorite metres metres long metres wide nala Nishkhal north-west occur old dunes olivine opaques Orissa outcrop phenocrysts plagioclase porphyritic porphyritic trap pyroxenes quartz quartzites Rajasthan Reuss ridge rutile samples sand dunes Sastry schistosity sediments shales siliceous sillimanite Soft vesicular species Subarnarekha river Surv sutures thickness thin trend Trichinopoly Utatur stage veins vesicles vesicular trap width zircon