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 52
... show enrichment of values to the tune of 350-450 ppm whereas the Ba shows the general depletion of values in the range of 200 - 250 ppm . The average background value of Li , Rb , Cs in mica schist and gneiss is 250 -300 ppm whereas Ba ...
... show enrichment of values to the tune of 350-450 ppm whereas the Ba shows the general depletion of values in the range of 200 - 250 ppm . The average background value of Li , Rb , Cs in mica schist and gneiss is 250 -300 ppm whereas Ba ...
Page 72
... shows that Ba is 1000 ppm in white plagioclase while in grey plagioclase it is 800 ppm only . Ga in white plagioclase increases with the increase of Ba . In both the varieties Sr shows equal values ( 500 ppm ) . The values of Sn ( 70 ...
... shows that Ba is 1000 ppm in white plagioclase while in grey plagioclase it is 800 ppm only . Ga in white plagioclase increases with the increase of Ba . In both the varieties Sr shows equal values ( 500 ppm ) . The values of Sn ( 70 ...
Page 76
... show gradational textural features . Depending on the ratio of olivine and chromite contents in the rocks , the ... shows higher abundance of V ( 250 ppm and 425 ppm ) . The distribution of Ti is a bit erratic , while B content ( 91 ...
... show gradational textural features . Depending on the ratio of olivine and chromite contents in the rocks , the ... shows higher abundance of V ( 250 ppm and 425 ppm ) . The distribution of Ti is a bit erratic , while B content ( 91 ...
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