Records of the Geological Survey of India, Volume 111The Survey, 1982 - 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 157
... Group of rocks and porphyritic granite . Shillong Group consists of quartzite , phyllite and con- glomerate . The general strike of the Shillong Group of rocks is NE - SW with moderate dip towards southeast . Dissiminated sulphide ...
... Group of rocks and porphyritic granite . Shillong Group consists of quartzite , phyllite and con- glomerate . The general strike of the Shillong Group of rocks is NE - SW with moderate dip towards southeast . Dissiminated sulphide ...
Page 228
Geological Survey of India. The area comprises the Chauria Group , Nandgaon Group , Dongargarh granite , Chilpi Group , Khairgarh Group , Chhatisgarh Group and Cretaceous - Eocene basaltic lavas of Deccan Trap affinity . The Chauria ...
Geological Survey of India. The area comprises the Chauria Group , Nandgaon Group , Dongargarh granite , Chilpi Group , Khairgarh Group , Chhatisgarh Group and Cretaceous - Eocene basaltic lavas of Deccan Trap affinity . The Chauria ...
Page 71
... Group Erosion Emplacement of serpentinites ( Alpine - type ) 1. Lipa Black Shale 2. Spilitic extrusives with agglomerates , and radiolarites ( with limestone members towards top ) . Tectonic contact Older Records , Vol . 111 , Pt . 2 ...
... Group Erosion Emplacement of serpentinites ( Alpine - type ) 1. Lipa Black Shale 2. Spilitic extrusives with agglomerates , and radiolarites ( with limestone members towards top ) . Tectonic contact Older Records , Vol . 111 , Pt . 2 ...
Contents
ENGINEERING AND TRANSPORT DIVISION | 1 |
GEOSCIENCE DATA CENTRE | 9 |
WESTERN REGION | 17 |
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alignment amphibolite analysis Andhra Pradesh anomaly zone bands basalt basin bauxite bed rock Bihar biotite block boreholes carried out geological chalcopyrite Circle clay coal comprising Deccan Trap delineated deposits depth dipping Director dist district Division drill cores drill holes excavation fault folds Formation fossils geochemical geological mapping Geologist Geophysical surveys geotechnical geothermal glacier gneiss Gondwana grade Group grouting Headquarters indicated investigation laboratory laterite limestone line km located logged Madhya Pradesh magnetic magnetite Meghalaya metres mica schist migmatites million tonnes mineralisation minerals nala NE-SW NW-SE occurs Orissa pegmatite phyllite pits power house Project proposed pyrite quartz quartz veins quartzite Rajasthan regional resistivity river rock types S/Shri samples were collected sand sandstone Sarvashri scale schist seams sediments seismic shale shear zone Shri sillimanite soil spillway sq km strike length studies sulphide thickness tion Toposheet traverse trending tunnel upto Valley varying Vindhyan