Records of the Geological Survey of India, Volume 123, Part 2The 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. |
From inside the book
Results 1-3 of 28
Page 22
... suggest that the masic dykes were partially contaminated by crustal mate- rial ( Fig . 2 ) . Six whole rock samples ... suggests that the samples analysed in the present study are pre- sumably having varying initial 87 Sr / 86 Sr ratio ...
... suggest that the masic dykes were partially contaminated by crustal mate- rial ( Fig . 2 ) . Six whole rock samples ... suggests that the samples analysed in the present study are pre- sumably having varying initial 87 Sr / 86 Sr ratio ...
Page 48
... suggesting small degree of differentia- tion of the melt due to separation of feldspars . - The basic rocks show a ... suggests small degree of mantle melting and shallow level defferen- tiation of magma predominantly controlled by ...
... suggesting small degree of differentia- tion of the melt due to separation of feldspars . - The basic rocks show a ... suggests small degree of mantle melting and shallow level defferen- tiation of magma predominantly controlled by ...
Page 241
... suggests that the elimination of hydrogen was hindered during coalification . High inertinite content in some parts of the area suggests a frequent alternation of dry oxidative period . Chemical analyses of coal samples from 13 bore ...
... suggests that the elimination of hydrogen was hindered during coalification . High inertinite content in some parts of the area suggests a frequent alternation of dry oxidative period . Chemical analyses of coal samples from 13 bore ...
Contents
Geochronology and Isotope Geology Division 1833 | 18 |
Central Petrological Laboratories 4450 | 44 |
Central Geophysics Division 5168 | 50 |
6 other sections not shown
Other editions - View all
Common terms and phrases
aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barakar Barakar Formation Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone located MADHYA PRADESH mafic magnetic Marine Wing metamorphic migmatites million tonnes mineralisation NW-SE occur Orissa phyllite PRADESH Code Precambrian quartz quartzite range Raniganj REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL whole rock zone