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 142
... ultrabasic magma at great depths , and was intruded along the junction of quartzites and ultrabasics " ( op . cit . , p . 86 ) . Subsequently , these deposits have been described by Das Gupta ( 1959 ) Sahu and Bagchi ( 1959 ) , Mitra ...
... ultrabasic magma at great depths , and was intruded along the junction of quartzites and ultrabasics " ( op . cit . , p . 86 ) . Subsequently , these deposits have been described by Das Gupta ( 1959 ) Sahu and Bagchi ( 1959 ) , Mitra ...
Page 144
... ultrabasic rocks post - dated the major metamorphism and deformation , and hence the orogeny , of the southern block . Small patches of graphic leucogranite , devoid of ferromagnesian minerals , intrude the ultrabasic rocks , east and ...
... ultrabasic rocks post - dated the major metamorphism and deformation , and hence the orogeny , of the southern block . Small patches of graphic leucogranite , devoid of ferromagnesian minerals , intrude the ultrabasic rocks , east and ...
Page 145
... ultrabasic suite . The chrome - poor orthopyroxenite is a later emplacement , as revealed by its freedom from post - magmatic brecciation and silicification , which are present all over the chrome - rich suite . Granitic rocks occur as ...
... ultrabasic suite . The chrome - poor orthopyroxenite is a later emplacement , as revealed by its freedom from post - magmatic brecciation and silicification , which are present all over the chrome - rich suite . Granitic rocks occur as ...
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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Common terms and phrases
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