Records of the Geological Survey of India, Volume 96Geological Survey of India, 1971 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 192
... veins . Analyses of an earlier dolerite and later basaltic vein indicate the essential chemical similarity and absence of notable differentiation between injections , also reflected in the mineralogy . It is concluded that multiple ...
... veins . Analyses of an earlier dolerite and later basaltic vein indicate the essential chemical similarity and absence of notable differentiation between injections , also reflected in the mineralogy . It is concluded that multiple ...
Page 193
... veins of porphyritic basalt . The dolerite bands are conspicuously free from basalt veins . In the north , however , a zone of basalt is seen near the contact . The veins occur in roughly parallel sets , also striking east - west . None ...
... veins of porphyritic basalt . The dolerite bands are conspicuously free from basalt veins . In the north , however , a zone of basalt is seen near the contact . The veins occur in roughly parallel sets , also striking east - west . None ...
Page 200
... veins : The granites and the associated schists are intruded by a large number of quartz veins . They have N.-S. , N.E.-S.W. , N.N.E. -S.S.W. and E.-W. trends . Structural features of the Granite : Joint and foliation directions in the ...
... veins : The granites and the associated schists are intruded by a large number of quartz veins . They have N.-S. , N.E.-S.W. , N.N.E. -S.S.W. and E.-W. trends . Structural features of the Granite : Joint and foliation directions in the ...
Contents
Geology of the Vindhyan system in the Eastern part of | 1 |
Some Geological factors influencing the behaviour of | 42 |
5560 | 55 |
Copyright | |
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acid analyses Auden band basalt bauxite beds Bilaspur bodies boulders breccia brown carbonaceous chemical chert chrome-rich suite chromite chromite deposits clay colour composition concentration conglomerate crystallisation crystals district dolerite dumortierite east epidote exposed faults felspar fertilisers fine-grained flows folded formation fossils friable garnet Geol Geological Survey Ghumarwin glacier grains granite grey Haritalyangar hill horizon igneous ilmenite indicated iron Konal Kosi laterite layers limestone limonitised Lower magma magnetite mapping margins material metres Middle Siwalik minerals multiple dykes multiple intrusions Mussoorie nala nodules occur orthopyroxenite overlying Oxide P₂O pebbles pelitic phosphate phosphorus phyllites plagioclase porcellanites Pradesh present psammitic pumicite quartz quartzites river rock phosphate samples sandstones scarp sediments seen shales silica silicified Siwalik Siwalik rocks snout soil structure Sukinda Surv Survey of India syncline TABLE Tadpatri thick thin tourmaline ultrabasic ultrabasic rocks unconformity Upper valley veins Vempalle Vindhyan system volcanic