Records of the Geological Survey of India, Volume 123, Part 3The Survey, 1990 - 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 3
... Quartzite Quartzites are firm , compact rocks composed of grains of quartz sand cemented by a later deposit of quartz . Generally , Generally , they are metamorphosed sandstones ; and while no hard and fast distinctions can be drawn ...
... Quartzite Quartzites are firm , compact rocks composed of grains of quartz sand cemented by a later deposit of quartz . Generally , Generally , they are metamorphosed sandstones ; and while no hard and fast distinctions can be drawn ...
Page 71
... quartzites that crop out in the Piedmont are discussed below to compare to data for the Chickies Quartzite . The Hardyston Quartzite is reported to contain monazite , a Th - rich mineral , as an “ unusually common accessory " ( Smith ...
... quartzites that crop out in the Piedmont are discussed below to compare to data for the Chickies Quartzite . The Hardyston Quartzite is reported to contain monazite , a Th - rich mineral , as an “ unusually common accessory " ( Smith ...
Page 58
... quartzite and quartz stones in almost every exposure of Barnes Conglomerate Member are subrounded to well rounded ... quartzite stones . The likelihood that these were derived from the same source is considered to be remote . COMPOSITION ...
... quartzite and quartz stones in almost every exposure of Barnes Conglomerate Member are subrounded to well rounded ... quartzite stones . The likelihood that these were derived from the same source is considered to be remote . COMPOSITION ...
Contents
Study of volcanic rocks of Rajmahal trap affinity enocountered in the boreholes drilled | 47 |
Systematic palynological investigation in Ibriver coalfield Himgir basin Sundergarh | 60 |
Integrated study of the anorthosite and associated rocks of Bankura district West Bengal | 71 |
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ABSTRACTS OF PROGRESS alignment amphibolite anorthosite apatite bands BANKURA basin belt Bihar BIHAR Code biotite block boreholes charnockite chromite clay CONSTRUCTION STAGE GEOTECHNICAL deposits depth Dhanjori drilling earth dam Eastern Ghat Engineering Geology Engineering Geology Division-IV excavation exposed EXTENDED ABSTRACTS field season flood plain formation foundation geochemical geological mapping Geology Division-II Ops geomorphological mapping geophysical Geotechnical and Special GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade granite granite gneiss granitoid granulite graphite grouting GSI Vol indicate irrigation Khola khondalite laterite lineament located manganese Mayurbhanj mica schist migmatites mineralisation minerals nala occur Orissa ORISSA Code pegmatite phyllite plagioclase power house present programme proposed Proterozoic Purulia district quartzite QUATERNARY GEOLOGICAL Regional Geology samples sand sandstone scale schist sector sediments shear zone Sikkim Singhbhum Singhbhum district soil Special Investigation spillway sq km STAGE GEOTECHNICAL INVESTIGATION surface SURVEY OF INDIA tion trending tunnel upto volcanic West Bengal WEST BENGAL Code