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
... dykes are formed in dykes of small size when slightly crystallised magma of sufficient mobility is available at a comparatively high level in the crust . In such dykes cooling is rapid ; intermittent tension opens up parallel fractures ...
... dykes are formed in dykes of small size when slightly crystallised magma of sufficient mobility is available at a comparatively high level in the crust . In such dykes cooling is rapid ; intermittent tension opens up parallel fractures ...
Page 193
... dykes are hard , compact and fresh ; the degree of weathering thus appears to be related to grain size . The dolerites weather into small boulders with a whitish surface . Among these intrusives ... dykes is multiple . The dyke - 96-25 193.
... dykes are hard , compact and fresh ; the degree of weathering thus appears to be related to grain size . The dolerites weather into small boulders with a whitish surface . Among these intrusives ... dykes is multiple . The dyke - 96-25 193.
Page 197
... dykes and concludes that the two phases are similar . Frankel ( 1944 , p , 53 ) notes that the two phases are similar in composition in a multiple dyke from Zanddrift Point O.F.S. From the studies made so far , the following conditions ...
... dykes and concludes that the two phases are similar . Frankel ( 1944 , p , 53 ) notes that the two phases are similar in composition in a multiple dyke from Zanddrift Point O.F.S. From the studies made so far , the following conditions ...
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