Records of the Geological Survey of India, Volume 124, Part 1The Survey, 1989 - 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 13
... granite gneiss complex ( Code No. RP / - / Geochron - CHQ - BHR / 87 / 13 ) . The Chotanagpur granite gneiss complex is a Proterozoic segment of NE peninsular shield . The field studies and collec- tion of samples were concentrated ...
... granite gneiss complex ( Code No. RP / - / Geochron - CHQ - BHR / 87 / 13 ) . The Chotanagpur granite gneiss complex is a Proterozoic segment of NE peninsular shield . The field studies and collec- tion of samples were concentrated ...
Page 133
... granitic to tonalitic and granitoids from granite to granodoirite . Lenses of clinopyroxenite have been recorded near Janigurha . Sampling of the Bolangir anorthosite massif , Khariar alkali syenite and migmatitic gneisses of Aska area ...
... granitic to tonalitic and granitoids from granite to granodoirite . Lenses of clinopyroxenite have been recorded near Janigurha . Sampling of the Bolangir anorthosite massif , Khariar alkali syenite and migmatitic gneisses of Aska area ...
Page 231
... granite gneiss / migmatite and are intruded by younger granite of Dudhsagar and Sanguem ( Chandranath ) , dykes of gabbro , dolerite and pyroxenite and acid veins . Basement is represented by granite gneiss / migmatite enclosing minor ...
... granite gneiss / migmatite and are intruded by younger granite of Dudhsagar and Sanguem ( Chandranath ) , dykes of gabbro , dolerite and pyroxenite and acid veins . Basement is represented by granite gneiss / migmatite enclosing minor ...
Contents
AIRBORNE MINERAL SURVEYS EXPLORATION WING 2835 | 28 |
COAL WING 3646 | 36 |
MARINE WING 4757 | 47 |
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alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin bed rock Bihar biotite block boreholes carried chalcopyrite charnockite clay coalfield comprising Construction stage core deposits depth Director Geologist district Code DIVISION Headquarters drilling dykes excavation exploration exposed Formation foundation geochemical geological mapping Geologist Jr geomorphological Geophysicist geotechnical investigation gneiss gold Gondwana grained granite granite gneiss granitoids Group holes indicated investigation was taken km long Kumar limestone line km located logging migmatite mineral mineralisation occur Orissa pegmatite phyllite power house Pradesh Precambrian project envisages construction quartz quartz veins quartzite Quaternary Rajasthan Raniganj river rock types samples were collected sand sandstone scale schist schist belt sediments shale shear zone Shri A. K. Singh Singhbhum spillway sq km sq km area stage geotechnical investigation strike length studies sulphide Supergroup surface thick tion Toposheet traverse trench trending tunnel upto volcanics West Bengal