Records of the Geological Survey of India, Volume 122, Parts 2-4Geological Survey of India, 1987 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 43
Page 44
... biotite zone and ( iv ) Kyanite - biotite zone . Petrographic studies reveal imprints of a dominant prograde thermal event M1 which was associated with the main deformational phase D1 . Microstructural relations indicate prolonged ...
... biotite zone and ( iv ) Kyanite - biotite zone . Petrographic studies reveal imprints of a dominant prograde thermal event M1 which was associated with the main deformational phase D1 . Microstructural relations indicate prolonged ...
Page 209
... biotite - gneiss , muscovite - biotite gneiss with their quartzo - feldspathic variants and muscovite - biotite - schist / biotite - schişt ( ± garnet ) . At places , the gneisses contain fine fibrolite ( sillimanite ) needles . Bands ...
... biotite - gneiss , muscovite - biotite gneiss with their quartzo - feldspathic variants and muscovite - biotite - schist / biotite - schişt ( ± garnet ) . At places , the gneisses contain fine fibrolite ( sillimanite ) needles . Bands ...
Page 25
... Biotite schist , schistose quartzite Sillimanite gneiss , biotite gneiss with interbands of felspathised garnet - biotite- schist . Intrusions of tourmaline granite and pegmatite . 25 PROJECT CLUSTER II MINERAL SEARCH AND EVALUATION A ...
... Biotite schist , schistose quartzite Sillimanite gneiss , biotite gneiss with interbands of felspathised garnet - biotite- schist . Intrusions of tourmaline granite and pegmatite . 25 PROJECT CLUSTER II MINERAL SEARCH AND EVALUATION A ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
14 other sections not shown
Other editions - View all
Common terms and phrases
amphibolite AMSE Wing analysis Andaman anomalies assemblage bands Barakar Barakar Formation Barren Measures basin belt Bihar biotite block boreholes Calcutta clay coal seams Coal Wing COALFIELD Construction stage geotechnical cores correlation deposits depth district Division-II drilling dykes Eastern Engineering Geology evaluation exploration fault Feasibility stage folds geochemical geological mapping Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grained granite granite gneiss grey Group heavy minerals horizon indicated Irrigation LANDSAT limestone lineaments located magnetic metamorphic mica migmatites mineralisation NW-SE occur Orissa pegmatite phyllite PRADESH quartz quartzite Raniganj Raniganj Formation regional river sand sandstone scale schist seam zones sector sediments shale shear zone Shillong sillimanite Singhbhum slope Special Investigation spillway sq km stage geotechnical investigation Stratigraphy strike length structure surface Survey of India thickness toposheet traverses trending Upper upto valley varies veins volcanics West Bengal