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 14
... silica , and the , original rock must , obviously , have been consider- ably different . Law , however , admits that the tuffs have not been trans- ported and hence the vents emitting them must have been local , yet he is puzzled , as ...
... silica , and the , original rock must , obviously , have been consider- ably different . Law , however , admits that the tuffs have not been trans- ported and hence the vents emitting them must have been local , yet he is puzzled , as ...
Page 97
... silica content , but , as this silica is mainly in the form of free silica and the combined silica content is well within the limits set for aluminium manufacture ( i.e. < 3 % ) this would not detract the usefulness of this deposit for ...
... silica content , but , as this silica is mainly in the form of free silica and the combined silica content is well within the limits set for aluminium manufacture ( i.e. < 3 % ) this would not detract the usefulness of this deposit for ...
Page 99
... Silica Silica Silica ( % ) ( % ) Al , 03 Fe , 0 , ( % ) ( % ) Loss on TiO , ignition ( % ) ( % ) Hill No. 1 . Surface sample - 3.85 41.87 29.53 1.1 23.97 Pit II ( 3.5 to 4 m . ) 41.36 0.64 42.0 33.21 5.59 1.2 18.01 Pit IV ( 5.5 to 6 m ...
... Silica Silica Silica ( % ) ( % ) Al , 03 Fe , 0 , ( % ) ( % ) Loss on TiO , ignition ( % ) ( % ) Hill No. 1 . Surface sample - 3.85 41.87 29.53 1.1 23.97 Pit II ( 3.5 to 4 m . ) 41.36 0.64 42.0 33.21 5.59 1.2 18.01 Pit IV ( 5.5 to 6 m ...
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