Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1989 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 85
Page 30
... present in Sukma and Kondagaon do not define any age but Rb / Sr isotopic data correspond to an age of 2,610 ± 143 Ma and Sri = 0.70557 ± 0.00034 . Similarly , an age of 2,409 ± 148 Ma with Sr1 = 0.72216 ± 0.02175 is obtained for the ...
... present in Sukma and Kondagaon do not define any age but Rb / Sr isotopic data correspond to an age of 2,610 ± 143 Ma and Sri = 0.70557 ± 0.00034 . Similarly , an age of 2,409 ± 148 Ma with Sr1 = 0.72216 ± 0.02175 is obtained for the ...
Page 72
... present are hedenbergite , augite , gedrite , margarite , enstatite , wollastonite , hypersthene , k - feldspar , anorthite , calcite , almandite , grossularite , andradite & silica . The mica phase although resembles biotite it shows ...
... present are hedenbergite , augite , gedrite , margarite , enstatite , wollastonite , hypersthene , k - feldspar , anorthite , calcite , almandite , grossularite , andradite & silica . The mica phase although resembles biotite it shows ...
Page 83
... present study forms part of the project " Preparation of Lineament Map of North Eastern India " . An attempt has been made to identify and classify the lineaments of Manipur and Nagaland with respect to geological framework and tectonic ...
... present study forms part of the project " Preparation of Lineament Map of North Eastern India " . An attempt has been made to identify and classify the lineaments of Manipur and Nagaland with respect to geological framework and tectonic ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
Copyright | |
12 other sections not shown
Other editions - View all
Common terms and phrases
amphibolite analysed anomaly anorthosite assemblage bands Barakar Barakar Formation basin bed rock belt Bhuban Bihar BIHAR Code biotite block boreholes Calcutta carbonatite carried clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores covered dam axis deposits depth Disang district drilling dykes Eastern Engineering Geology evaluation fault Feasibility stage field season folds geochemical geological mapping Geology Division-II Ops geophysical geotechnical investigation gneiss Gondwana grade grained granite granite gneiss grey Group grouting horizon indicate irrigation limestone lineaments located magnetic metamorphic mica migmatites mineral mineralisation nala occur Orissa pegmatite phyllite PPB PPB PRADESH quartz quartzite Quaternary Raniganj Reservoir Scheme river rock types samples sand sandstone scale schist sediments shale shear zone Shillong siltstone Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation structure surface Survey of India Talchir thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal