Records of the Geological Survey of India, Volume 127, Part 2The Survey, 1992 - 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 301
... sandstone , sandy shale , shaly sandstone , interlamination and intercalations of shale and sandy shale , grey shale , car- bonaceous shale and coal seams . The maximum thickness of the Barakar Formation , so far recorded in the ...
... sandstone , sandy shale , shaly sandstone , interlamination and intercalations of shale and sandy shale , grey shale , car- bonaceous shale and coal seams . The maximum thickness of the Barakar Formation , so far recorded in the ...
Page 303
... sandstone , greyish to greenish grey siltstone , silty shale , claystone and fine to medium grained calcareous sandstone and coal seams . In dif- ferent boreholes , the upper part of Barakar Formation is seen to be represented by fine ...
... sandstone , greyish to greenish grey siltstone , silty shale , claystone and fine to medium grained calcareous sandstone and coal seams . In dif- ferent boreholes , the upper part of Barakar Formation is seen to be represented by fine ...
Page 347
... sandstone is the presence of fresh feldspar in this unit . The Middle member is comprised of coarse grained sandstone with red and mottled clay interbands . The rocks show poor sorting . The Lower member , in general , is characterised ...
... sandstone is the presence of fresh feldspar in this unit . The Middle member is comprised of coarse grained sandstone with red and mottled clay interbands . The rocks show poor sorting . The Lower member , in general , is characterised ...
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Common terms and phrases
aeromagnetic airborne amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures basement basin Bengal BHUTAN Bihar biotite block boreholes carbonaceous charnockite Chekha clay coal seams COAL WING Coalfield coarse Code cores covered cruise depth range DISTRICT Division dolomite drilling east eastern exploration for coal faults field season fold geochemical GEOLOGICAL MAP gneiss Gondwana grained granite gneiss gravity grey ground evaluation heavy mineral indicate intersected intrusives investigation isobath Kamthi LAMPROITE lamprophyres lignite lineament located MADHYA PRADESH magnetic metabasalt metamorphism migmatites million tonnes mineralisation multisensor NW-SE occur Orissa phyllite programme Proterozoic quartz quartzite Raniganj Regional exploration ridge rocks Sakoli sand sandstone scale schist seabed seam zones sector sediments sequence shale shear zones Shumar slope southern sq km strike length structural studies sub-basin sub-surface Talchir Tamil Nadu tectonic thickness Thimphu Thimphu Formation toposheet trending upto varies