Records of the Geological Survey of India, Volume 94The Survey, 1959 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 15
Page 225
... rounded or sub - rounded . These are the most com- mon minerals having frequency number 7 . are Besides these two minerals , limonite , hematite , and leucoxene also present . They have been grouped together with magnetite and ilmenite ...
... rounded or sub - rounded . These are the most com- mon minerals having frequency number 7 . are Besides these two minerals , limonite , hematite , and leucoxene also present . They have been grouped together with magnetite and ilmenite ...
Page 226
... rounded or sub - rounded grains flaky in habit and either yellowish or amber brown in colour . In most grains pleochroism is not marked . In convergent polarised light between the crossed nicols the grains often show a negative pseudo ...
... rounded or sub - rounded grains flaky in habit and either yellowish or amber brown in colour . In most grains pleochroism is not marked . In convergent polarised light between the crossed nicols the grains often show a negative pseudo ...
Page 240
... rounded and rounded . The percentage of the various types of zircons in the different samples is given below : TABLE 6 Sample No. CI NEW DUNES . C6 OLD DUNES . K2 K4 A / DB B / DB Bl R4 New Dunes ( range ) ยท Old Dunes ( range ) ...
... rounded and rounded . The percentage of the various types of zircons in the different samples is given below : TABLE 6 Sample No. CI NEW DUNES . C6 OLD DUNES . K2 K4 A / DB B / DB Bl R4 New Dunes ( range ) ยท Old Dunes ( range ) ...
Other editions - View all
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