Records of the Geological Survey of India, Volume 112, Parts 2-5Government of India, 1979 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 20
... lower Triassic 21 Permian to lower Cretaceous 22 Palaeozoic to Mesozoic 23 Meszoic 24 Permo - Trias 25 Permian to Triassic 45 Palacogene 46 Oligocene to Eocene 47 Eocene 48 49 50 51 Eocene to upper Oligocene 52 Eocene to Oligocene 53 ...
... lower Triassic 21 Permian to lower Cretaceous 22 Palaeozoic to Mesozoic 23 Meszoic 24 Permo - Trias 25 Permian to Triassic 45 Palacogene 46 Oligocene to Eocene 47 Eocene 48 49 50 51 Eocene to upper Oligocene 52 Eocene to Oligocene 53 ...
Page 47
... lower and upper boundary surfaces are found to be erosional , nearly horizontal and planar or slightly irregular . The irregularity at the lower surface is due to erosion of ripple bedded units before sedi- mentation of the horizontal ...
... lower and upper boundary surfaces are found to be erosional , nearly horizontal and planar or slightly irregular . The irregularity at the lower surface is due to erosion of ripple bedded units before sedi- mentation of the horizontal ...
Page 50
... Lower Disang Formation - argillaceous strata and the Upper Disang Formation - arenaceous strata . Marine invertebrate fossils are found in the sandy - shales of upper Disang as well as in some of the sandstones of Lower Disang . For the ...
... Lower Disang Formation - argillaceous strata and the Upper Disang Formation - arenaceous strata . Marine invertebrate fossils are found in the sandy - shales of upper Disang as well as in some of the sandstones of Lower Disang . For the ...
Contents
Stratigraphic position of the Jungel Group of Central India | 7 |
Palaeontological Data System in the Geological Survey of India | 13 |
Chemical Behavior of Chromian Spinels from Ultrabasic Nodules | 21 |
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Arunachal Assam assemblage axial bands Barail barytes basaltic basin beds belt borehole Chalk Hills chert chlorite chromite clay clinopyroxene coal coalfield colour conglomerate Cretaceous Cuddapah deposits depth Dhanjori diamictite dipping district dolerite dunite dykes east Eastern Eocene Eurydesma facies fault fauna folds Formation fossil fractures Gangpur garnet Garo Hills Geol Geological Survey gneisses Gondwana grains granite Himalaya hornblende India indicate Jaintia Jungel laterite limestone lower magnetite Manipur Meghalaya metamorphic metres mineralisation minerals Miocene Naga Hills Nagaland occur olivine ophiolite outcrops peridotite phyllite plagioclase Plate Pradesh present pyroxene quartz quartzite range recorded region rocks samples sand sandstone schist seam sedimentary sediments sequence shale shear spinels stratigraphic structures studies sulphide Surma Surv Survey of India tectonic Tertiary texture thickness tion traverse trend ultrabasic ultramafic Unconformity Unpublished GSI Report Upper upto uranium veins volcanics zone