Records of the Geological Survey of India, Volume 115, Parts 3-4The Survey, 1987 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 69
... Plateau Plain : Southern margin of Shillong plateau formed by horizontal to low dipping sedimentary sequences of Cretaceous - Tertiary age continues further east and north east fringing the Shillong plateau margin and finally fringing ...
... Plateau Plain : Southern margin of Shillong plateau formed by horizontal to low dipping sedimentary sequences of Cretaceous - Tertiary age continues further east and north east fringing the Shillong plateau margin and finally fringing ...
Page 71
... plateau plains which are peneplained surfaces of Precambrian rocks . Northern periphery of the uplands are moderately dissected consequent to the Cretaceous and later uplift of this region . Late Cretaceous and Tertiary flat bedded ...
... plateau plains which are peneplained surfaces of Precambrian rocks . Northern periphery of the uplands are moderately dissected consequent to the Cretaceous and later uplift of this region . Late Cretaceous and Tertiary flat bedded ...
Page 74
... Plateau Plain B - lib Dissected Structural Plateau SHILLONG B - lb 8 - lla 8 - llb C C - la B - 1b IMPHAL B - lb AGARTALA B - la MTIT www AIZAWL FLUVIAL Present Flood Plain C - lb Older Flood Plain C - II Piedmont Zone C - Ill Inter ...
... Plateau Plain B - lib Dissected Structural Plateau SHILLONG B - lb 8 - lla 8 - llb C C - la B - 1b IMPHAL B - lb AGARTALA B - la MTIT www AIZAWL FLUVIAL Present Flood Plain C - lb Older Flood Plain C - II Piedmont Zone C - Ill Inter ...
Contents
A NOTE ON THE EVOLUTION OF THE MINERAL | 17 |
Pant | 24 |
A R Nambiar | 43 |
Copyright | |
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aegirine alkaline rocks Arunachal Pradesh assemblage Barail Range bedded biotite borehole Brahmaputra camptonites carbonatite Chalcopyrite charnockite chlorite Coal cordierite deposits Disang dissected hills drainage dyke Evans feldspar feldspathic ijolite flood plain foliation fractured garnet Geol GEOLOGICAL SURVEY gneiss Golagar basin Golagar Nala grains GSI Rec 115 Hills district Himalaya ijolite immiscibility Indravati river inner belt Kohima Kohima synclinorium Kopili Koraput lamprophyres landforms magma magnetite Manipur Meghalaya metamorphic metapelites Mikir hills mineral mineralised zone muscovite Nagaland Nala Naogaon Naogaon Sandstone NE-SW occur Orissa orthoclasite phenocrysts Phyangla Plate point bar polymetallic porphyroblasts Potin Formation pyrite pyrrhotite quartz Ranga River Ranga Valley Rec 115 pts region ridge and valley samples San Nala sandstone schist shale Shillong staurolite Structural Plateau Subansiri district sulphide mineralisation Surma Surv SURVEY OF INDIA synclinorium tectonic Tikak parbat tinguaite trending tributaries type area Umrong reservoir units Upper Assam upto