Records of the Geological Survey of India, Volume 126, Issues 3-4Vols. 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 22
... thick sequence of orthoquartzites with minor phyllite and quartz - mica schist . It hosts a large body of slightly metamorphosed amphibolite ( Khasi greenstone ) having ultra - basic to basic affinity . A medium to coarse grained ...
... thick sequence of orthoquartzites with minor phyllite and quartz - mica schist . It hosts a large body of slightly metamorphosed amphibolite ( Khasi greenstone ) having ultra - basic to basic affinity . A medium to coarse grained ...
Page 39
... thick bedded sandstone alternating with hard sandy shale . Gradational contact Base not exposed F GEOLOGICAL MAP OF TAMEI- DAILONG AREA , TAMENGLONG DISTRICT. An area of 600 sq . km . was covered in parts , of Survey of India toposheet ...
... thick bedded sandstone alternating with hard sandy shale . Gradational contact Base not exposed F GEOLOGICAL MAP OF TAMEI- DAILONG AREA , TAMENGLONG DISTRICT. An area of 600 sq . km . was covered in parts , of Survey of India toposheet ...
Page 119
... thick phyric to plagioclase phyric basaltic flow occurs as sporadic outcrops in the area . Intersertal , intergranular and glomeroporphyritic textures are common in it . Plagioclase ( An40 58 : 37.28 % ) , clinopyroxene ( 33.53 ...
... thick phyric to plagioclase phyric basaltic flow occurs as sporadic outcrops in the area . Intersertal , intergranular and glomeroporphyritic textures are common in it . Plagioclase ( An40 58 : 37.28 % ) , clinopyroxene ( 33.53 ...
Contents
Quaternary geological and geomorphological mapping of the SonGanga | 2 |
An Overview | 10 |
Integrated geological and structural mapping and geochemical survey | 17 |
Copyright | |
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ABSTRACTS OF PROGRESS amphibolite apatite Assam bands bank BANKA DISTRICT Barail basemetal basin belt Bihar biotite block boreholes Brahmaputra chalcopyrite channel chert chlorite chromite Construction stage geotechnical dam axis deposits depth drilling dykes east Eastern Economic Geology Division Engineering Geology Engineering Geology Division erosion exposed field season folds foliation Formation foundation geochemical geological mapping geomorphological geophysical Geotechnical & Special geotechnical investigation gneiss gold granite gneiss grey indicated Irrigation Project laterite limestone lithounits located magnetic Manipur Meghalaya mica schist mineral mineralised zone nala occur Orissa OVERVIEW pegmatite phyllite power house Purulia quartz quartz veins quartzite Quaternary Regional Geology Division river samples sandstone scale schist Sector sediments shale shear zone Shillong siltstone slope soil Sp Sp Sp spillway sq km stage geotechnical investigation strike length sulphide surface Survey of India syenite thick toposheet traverse trending ultramafic unconformably upto valley volcanics West Bengal Δ Δ Δ