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 206
... felspar rocks . - quartz , amphibole ( anthophyllite and horn- blende ) , biotite , garnet ( almandine * ) , cordierite , sillimanite , felspar , magnetite and muscovite . 2. Ferruginous rocks . - magnetite with subordinate amount of ...
... felspar rocks . - quartz , amphibole ( anthophyllite and horn- blende ) , biotite , garnet ( almandine * ) , cordierite , sillimanite , felspar , magnetite and muscovite . 2. Ferruginous rocks . - magnetite with subordinate amount of ...
Page 219
... felspar por- phyries about 200 metres North - East of the peak 381 ( topo - sheet 41P / 1 & 5 ) As a result of this faulting the beds have been heaved about 55 metres . MINERAL OCCURRENCES There are no important mineral deposits except ...
... felspar por- phyries about 200 metres North - East of the peak 381 ( topo - sheet 41P / 1 & 5 ) As a result of this faulting the beds have been heaved about 55 metres . MINERAL OCCURRENCES There are no important mineral deposits except ...
Page 269
... felspar are about 12.7 mm . long and show 1 2 breadth to length ratio . 15.4 456-394 metres . VESICULAR TRAP ( 1496-1293 ft . ) Soft vesicular trap , amygdaloidal : Base of the flow is harder and coarser than the top . 4.6 Soft ...
... felspar are about 12.7 mm . long and show 1 2 breadth to length ratio . 15.4 456-394 metres . VESICULAR TRAP ( 1496-1293 ft . ) Soft vesicular trap , amygdaloidal : Base of the flow is harder and coarser than the top . 4.6 Soft ...
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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