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 148
... alteration products of olivines and / or pyroxenes . Pseudomorphic textures are however completely absent . The talc - serpentine association shows that the hydrothermal alteration took place at around 400 ° C ( Fyfe , in Fyfe , Turner ...
... alteration products of olivines and / or pyroxenes . Pseudomorphic textures are however completely absent . The talc - serpentine association shows that the hydrothermal alteration took place at around 400 ° C ( Fyfe , in Fyfe , Turner ...
Page 159
... Alteration of chromite In spite of the known resistance of chromite to solution under laboratory condition , hydrothermal alteration of this mineral is a very commonly observed feature ( Thayer , 1956 , pp . 29-31 ) . The main trend of ...
... Alteration of chromite In spite of the known resistance of chromite to solution under laboratory condition , hydrothermal alteration of this mineral is a very commonly observed feature ( Thayer , 1956 , pp . 29-31 ) . The main trend of ...
Page 159
... alteration of orthopyroxenite into tremolite - talc - serpentine rock . 9. Emplacement of orthopyroxenite at a low angle to layering in the chrome- rich suite . 8. Infiltration of ferruginous solutions , leading to limonitisation of ...
... alteration of orthopyroxenite into tremolite - talc - serpentine rock . 9. Emplacement of orthopyroxenite at a low angle to layering in the chrome- rich suite . 8. Infiltration of ferruginous solutions , leading to limonitisation of ...
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