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 215
... rock types in the area com- prise quartzite , banded impure marble , ferruginous quar- tzite , carbonaceous phyllite and the vein quartz belong- ing to Alwar and Ajabgarh Groups of Delhi Super Group . The general trend of the rocks is N ...
... rock types in the area com- prise quartzite , banded impure marble , ferruginous quar- tzite , carbonaceous phyllite and the vein quartz belong- ing to Alwar and Ajabgarh Groups of Delhi Super Group . The general trend of the rocks is N ...
Page 114
... rock types . i ) jaspilite ; this is a banded rock ( banded hematite jasper / quartzite - BHJ / Q ) , consisting of alter- nate bands of jasper ( chert / silica ) and oxidic minerals of iron ( hematite / magnetite ) . ii ) hematite rock ...
... rock types . i ) jaspilite ; this is a banded rock ( banded hematite jasper / quartzite - BHJ / Q ) , consisting of alter- nate bands of jasper ( chert / silica ) and oxidic minerals of iron ( hematite / magnetite ) . ii ) hematite rock ...
Page 116
... rock ( iron ore is based on the relative proportion of iron minerals , shaly / clayey material and void space ( owing to presence of pores ) present in the rock body , and not merely on the present mineralogical or chemical com ...
... rock ( iron ore is based on the relative proportion of iron minerals , shaly / clayey material and void space ( owing to presence of pores ) present in the rock body , and not merely on the present mineralogical or chemical com ...
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