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". |
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Page 122
... seams encountered in various boreholes are broadly categorised into four groups ( composite seam - zone ) numbering I to IV from bottom upwards . Seam zones , in general , are well defined and widely separated in the northern and ...
... seams encountered in various boreholes are broadly categorised into four groups ( composite seam - zone ) numbering I to IV from bottom upwards . Seam zones , in general , are well defined and widely separated in the northern and ...
Page 127
... SEAMS IN RANIGANJ FORMATION INTERSECTED IN. In order to decipher the geology and structure , disposition of the coal - bearing formations along with quality of coal and assess the reserves , exploration by drilling was carried out in ...
... SEAMS IN RANIGANJ FORMATION INTERSECTED IN. In order to decipher the geology and structure , disposition of the coal - bearing formations along with quality of coal and assess the reserves , exploration by drilling was carried out in ...
Page 129
... seams in this tract and to assess the nature and degree of alterations of coal seams by igneous intrusives . GEOLOGICAL PLAN OF CHALBALPUR - MAHISMURA SECTOR , RANIGANJ COALFIELD , DISTRICT BARDHAMAN , W.8 . SCALE KM 1'5 1.3 KM SALANPUR ...
... seams in this tract and to assess the nature and degree of alterations of coal seams by igneous intrusives . GEOLOGICAL PLAN OF CHALBALPUR - MAHISMURA SECTOR , RANIGANJ COALFIELD , DISTRICT BARDHAMAN , W.8 . SCALE KM 1'5 1.3 KM SALANPUR ...
Contents
CENTRAL HEADQUARTERS 179 | 1 |
Geological Survey of India | 4 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
Copyright | |
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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