Records of the Geological Survey of India, Volume 113, Parts 4-6The Survey, 1980 - 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 57
... nature suggesting a decollement origin for the Surma folds . pure MAFLONG BAGMARA DAUKI CHHATAK SYLHET SILCHAR the ... nature of thrust nature of thrust with Barail ( Oligocene ) rocks of Mizo hills . In the north - west the basin ex ...
... nature suggesting a decollement origin for the Surma folds . pure MAFLONG BAGMARA DAUKI CHHATAK SYLHET SILCHAR the ... nature of thrust nature of thrust with Barail ( Oligocene ) rocks of Mizo hills . In the north - west the basin ex ...
Page 29
... nature and consists of boulders and pebbles of various sizes varying from 2 mm to 30 cm , generally subrounded to well rounded in nature , set in a sandy matrix . The boulders and pebbles are composed of quartz , quartzite , granite ...
... nature and consists of boulders and pebbles of various sizes varying from 2 mm to 30 cm , generally subrounded to well rounded in nature , set in a sandy matrix . The boulders and pebbles are composed of quartz , quartzite , granite ...
Page 106
... nature which has been subjected to repeated cycles of erosion and dissection as is also evident by its complex morphogenic expression ; high drainage density , deep gullying and erosional pattern . The net work of streams and gullies ...
... nature which has been subjected to repeated cycles of erosion and dissection as is also evident by its complex morphogenic expression ; high drainage density , deep gullying and erosional pattern . The net work of streams and gullies ...
Contents
Part | 1 |
Problems of correlation of PreGondwana rock units of Arunachal Pradesh and adjoining areasa review | 15 |
The Sung Valley alkaline ultramafic carbonatite complex East Khasi and Jaintia Hills districts Meghalaya | 24 |
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Common terms and phrases
alluvium anorthosite assemblage associated augite bands basalt flows basin beds belt biotite Bombay bore holes borehole calcite carbonatite Charnockite chert chlorite chromite clay clinopyroxene coal complex Deccan Trap deposits developed district drainage dykes emplaced fault felspar fluorite folds Formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic gneisses Gondwana grade grains granite granulites greisens grey groundmass Group hill Himalayas ijolite indicated intrusive laterite layers limestone magnetite Manipur mapping Meghalaya metamorphic metres migmatites mineralisation minerals Narmada occur olivine opaque ophiolite phenocrysts phosphorite phyllite plagioclase Plate porphyritic Pradesh present pyroclastic pyroxene pyroxenite quartz quartz veins quartzite region river rocks samples sandstone schist seam sedimentary sediments sequence serpentinite shale sillimanite soil stratigraphic structure studies sub-surface surface Surv Survey of India Tapti tectonic thickness thin tion trending tuff ultramafic Unpublished GSI Report upto Vaghur valley volcanic zone