Records of the Geological Survey of India, Volume 128, Part 3The Survey, 1995 - 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 67
... clay - rich sedimentary rocks in the Mithakhari , Andaman flysch and in the Archi- pelago group of rocks . These sedimentary horizons were attempted for assessing their clay mineral content vis - a - vis their feasibility for commercial ...
... clay - rich sedimentary rocks in the Mithakhari , Andaman flysch and in the Archi- pelago group of rocks . These sedimentary horizons were attempted for assessing their clay mineral content vis - a - vis their feasibility for commercial ...
Page 91
... clay minerals and fine quartz grains which are often stained with iron oxide . Clay and carbonaceous matter give the rocks a dark grey to black colour . Secondary growth of quartz and chalcedony and diagonetically altered radiolarian ...
... clay minerals and fine quartz grains which are often stained with iron oxide . Clay and carbonaceous matter give the rocks a dark grey to black colour . Secondary growth of quartz and chalcedony and diagonetically altered radiolarian ...
Page 159
... clay and variegated clay with minor chert bands & patches of wady clay besides medium grade powdery Mn ore between 58.70 m & 62.00 m depth ( 3.30 m ) . Drilling in Thakurani ' A ' block located in the northeastern corner of the belt ...
... clay and variegated clay with minor chert bands & patches of wady clay besides medium grade powdery Mn ore between 58.70 m & 62.00 m depth ( 3.30 m ) . Drilling in Thakurani ' A ' block located in the northeastern corner of the belt ...
Contents
Coastal studies and Neotectonics | 5 |
Chhotonagpur Gneiss East | 12 |
Investigation for copper and associated mineralisation | 18 |
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Common terms and phrases
ABSTRACTS OF PROGRESS acid volcanic alkaline amphibolite Andaman anomaly apatite bands basemetal basin belt Bihar block boreholes carbonatite chert Chhotanagpur chlorite chromite clay coastal conglomerate covered CXF CXF Dalma Darjeeling depth Dhanjori DIST district drilling dykes Eastern Ghat Engineering Geology exploration EXTENDED ABSTRACTS FIELD SEASON fold foliation fractures geochemical GEOLOGICAL MAP GEOLOGICAL SURVEY Geologist geophysical GEOTECHNICAL INVESTIGATION gneiss Gondwana grade grained granite granite gneiss gravity Group of rocks Hydel INDEX indicate intersected intrusive Island laterite lineaments located magnetic metabasic mica schist minerals nala Nicobar occur Orissa OVERVIEW phyllite Plate potential Project Engineering Geology Purulia quartz quartz veins quartzite Quaternary regional river samples sand sandstone scale schist sector shale shear zone Sikkim Singhbhum Granite slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION sulphide Sundargarh district SURVEY OF INDIA syenite terrain thick toposheet trending ultramafic upto WB-SIK-A West Bengal