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 30
... nature of the material traversed by the joints ..... Yet , we find in the Vindhyan rocks the same angles of intersection in shales , limestones and quartzites . It is true that the angles are not constant , but the inconsistencies in ...
... nature of the material traversed by the joints ..... Yet , we find in the Vindhyan rocks the same angles of intersection in shales , limestones and quartzites . It is true that the angles are not constant , but the inconsistencies in ...
Page 207
... nature . Later workers do not seem to have recognised any distinct volcanic flow in the Cuddapah basin ( cf. , Lake 1890 , Coulson 1933 , Vemban 1946 , Roy , et.al. , 1946-48 ) . Recently Venkatram et.al. ( 1953 ) noted the scoria ...
... nature . Later workers do not seem to have recognised any distinct volcanic flow in the Cuddapah basin ( cf. , Lake 1890 , Coulson 1933 , Vemban 1946 , Roy , et.al. , 1946-48 ) . Recently Venkatram et.al. ( 1953 ) noted the scoria ...
Page 208
... nature of the original rock is rendered difficult because of the highly altered nature of the rocks , but they are more acidic then basalts as indicated by their mineralogy . Each flow grades from a fine - grained , hard and massive ...
... nature of the original rock is rendered difficult because of the highly altered nature of the rocks , but they are more acidic then basalts as indicated by their mineralogy . Each flow grades from a fine - grained , hard and massive ...
Contents
Son Valley in Mirzapur district U P by F Ahmad | 1 |
Some Geological factors influencing the behaviour of | 42 |
The Snout of the Machoi Glacier Kashmir by | 51 |
Copyright | |
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acid actinolite analyses Auden basalt bauxite beds Bilaspur boulders breccia brown cent by weight chemical chert chrome-rich suite chromite chromite deposits clay colour composition concentration conglomerate crystallisation crystals district dolerite dumortierite east epidote exposed faults felspar fine-grained flows folded formation formed fossils fraction friable garnet Geol Geological Survey Ghumarwin glacier grains granite grey Haritalyangar hill horizon igneous ilmenite indicated Konal Kosi laterite layers limestone Lower magma magnetite mapping material metres Middle Siwalik minerals multiple dykes multiple intrusions Mussoorie occur orthopyroxenite overlying Oxide P₂O pebbles pelitic phosphate phosphorus phyllites plagioclase porcellanites Pradesh present 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 types ultrabasic ultrabasic rocks unconformity Upper valley veins Vempalle Vindhyan system volcanic wall rocks zone