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 23
... upper part . It is , thus , possible that the basin was marine at the beginning of the deposition of these quartzites , but regression occurred and fresh water conditions prevailed when the upper part of these quartzites was deposited ...
... upper part . It is , thus , possible that the basin was marine at the beginning of the deposition of these quartzites , but regression occurred and fresh water conditions prevailed when the upper part of these quartzites was deposited ...
Page 78
... upper Dhokpathan and a lower Nagri stage are recog- nised in the Middle Siwaliks . The Middle Siwalik rocks comprising sands- tones and clays overlie the Lower Siwalik rocks conformably and run more or less parallel to the older beds ...
... upper Dhokpathan and a lower Nagri stage are recog- nised in the Middle Siwaliks . The Middle Siwalik rocks comprising sands- tones and clays overlie the Lower Siwalik rocks conformably and run more or less parallel to the older beds ...
Page 80
... Upper Siwaliks . The Siwalik rocks are highly folded , flexured and thrusted . The Lower Siwaliks have an anticlinal disposition , the Middle Siwaliks represent a synclinal basin where- as the Upper Siwaliks are involved in a thrust ...
... Upper Siwaliks . The Siwalik rocks are highly folded , flexured and thrusted . The Lower Siwaliks have an anticlinal disposition , the Middle Siwaliks represent a synclinal basin where- as the Upper Siwaliks are involved in a thrust ...
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