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 51
... southern bank have been tested by boreholes . The host rock has , however , been traced intermittently for further 350m by pitting / trenching . This mineralised zone closely corres- ponds with the S.P.anomaly in the northern part and ...
... southern bank have been tested by boreholes . The host rock has , however , been traced intermittently for further 350m by pitting / trenching . This mineralised zone closely corres- ponds with the S.P.anomaly in the northern part and ...
Page 71
... southern slope as evidenced from the drainage pattern . Evolution of the Landforms : The high rugged hills of Himalayas comprising metamorphic and crystalline rocks are known to have undergone a Hercynian or even earlier deformation ...
... southern slope as evidenced from the drainage pattern . Evolution of the Landforms : The high rugged hills of Himalayas comprising metamorphic and crystalline rocks are known to have undergone a Hercynian or even earlier deformation ...
Page 99
... southern limb of Kohima synclinorium , since it also restricted the extension of the Surma basin to the east . The Barails of eastern part of the southern limb of Mizoram shows complex fold pattern ( Nandy , D.R. et . al . ) but ...
... southern limb of Kohima synclinorium , since it also restricted the extension of the Surma basin to the east . The Barails of eastern part of the southern limb of Mizoram shows complex fold pattern ( Nandy , D.R. et . al . ) but ...
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