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 82
... quartzite . Associated with these rocks and intrusive into them are the amphibolites , amphibole - granulites ... quartzite / gneiss Quartzite The older rocks of the area , referred to as the " Sonapahar Group " , can be categorized into ...
... quartzite . Associated with these rocks and intrusive into them are the amphibolites , amphibole - granulites ... quartzite / gneiss Quartzite The older rocks of the area , referred to as the " Sonapahar Group " , can be categorized into ...
Page 33
... quartzite and compact phyllite / argillite whereas the valleys and low grounds are com- posed of argillite and mica - schist . Previous Work Bruce Foote ( 1874 ) in his report " on the auriferous rocks of the Dambal Hills , Dharwar ...
... quartzite and compact phyllite / argillite whereas the valleys and low grounds are com- posed of argillite and mica - schist . Previous Work Bruce Foote ( 1874 ) in his report " on the auriferous rocks of the Dambal Hills , Dharwar ...
Page 47
... quartzite which is fissile and well cleaved . In addition to the quartzite the other rock types occurring in the area are the schists , amphibolites , granite gneiss and granite ; these are traversed by the ultramafic bodies of perido ...
... quartzite which is fissile and well cleaved . In addition to the quartzite the other rock types occurring in the area are the schists , amphibolites , granite gneiss and granite ; these are traversed by the ultramafic bodies of perido ...
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