Records of the Geological Survey of India, Volume 124, Part 3The Survey, 1991 - 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 110
... volcanic episodes . These are enumerated below ( from older to younger ) . i ) Submarine volcanic eruption gave rise to a giant volcanic cone giving birth to the Barren island . The ancient lava as exposed is massive at the base ...
... volcanic episodes . These are enumerated below ( from older to younger ) . i ) Submarine volcanic eruption gave rise to a giant volcanic cone giving birth to the Barren island . The ancient lava as exposed is massive at the base ...
Page 112
... Volcanic Crater Boundary of Recent Volcanic Cone Edged Rock A 216 # X ◊ volcanic Crater * pazz ## Barren Island .354 # # # Plate - 420 92 ° 52'30 " Mapped by : - D. Halder T. Laskor J.K.Biswas 12 ° 17'30 ENGINEERING GEOLOGY DIVISION ...
... Volcanic Crater Boundary of Recent Volcanic Cone Edged Rock A 216 # X ◊ volcanic Crater * pazz ## Barren Island .354 # # # Plate - 420 92 ° 52'30 " Mapped by : - D. Halder T. Laskor J.K.Biswas 12 ° 17'30 ENGINEERING GEOLOGY DIVISION ...
Page 200
... volcanic rocks at depth . Pet- rological studies of these volcanic rocks were undertaken to find out their , náture , and also to compare them with those of Rajmahal Traps occurring to the north . Intrusives of Raniganj Coal field were ...
... volcanic rocks at depth . Pet- rological studies of these volcanic rocks were undertaken to find out their , náture , and also to compare them with those of Rajmahal Traps occurring to the north . Intrusives of Raniganj Coal field were ...
Contents
Quaternary geological and geomorphological mapping of the GangaSon alluvial belt in Aurangabad | 4 |
Integrated geological and structural mapping and geochemical survey and exploration by drilling in parts | 10 |
Bihar | 19 |
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alignment amphibolite Andaman anomaly arca ash bed basemetal basin belt BIHAR BIHAR Code block boreholes charnockites clay CONSTRUCTION STAGE GEOTECHNICAL copper dam axis deposits depth Dhanjori drilling Eastern Ghat Economic Geology Engineering Geology Engineering Geology Division-II excavation FEASIBILITY STAGE GEOTECHNICAL FIELD SEASON flood plain folds foliation formation geochemical geological mapping Geology Division Geology Division-II Ops geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold Gondwana granite granite gneiss granitoids graphite Group of rocks grouting holes indicate Khondalite Koraput laterite lava located mica schist migmatite mineralisation nala occur Orissa ORISSA Code pegmatite ph ph phyllite power house Purulia district quartz quartz veins quartzite Quaternary Rec.GSI Regional Geology RESERVOIR SCHEME river rock types SAMBALPUR DISTRICT samples sandstone scale schist sector sediments shear zone Sikkim Singhbhum slope soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION structures surface SURVEY OF INDIA toposheets traverses trending tunnel upto volcanic West Bengal