Records of the Geological Survey of India, Volume 82Geological Survey of India, 1949 - 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 31
... pegmatite and quartz veins . There is generally a soil cover of 2 to 5 feet in the plains , but the presence of pegmatite is revealed by fragments of felspar and flakes of Madras . mica . Mr. N. V. Chandrasekariah carried out mapping in ...
... pegmatite and quartz veins . There is generally a soil cover of 2 to 5 feet in the plains , but the presence of pegmatite is revealed by fragments of felspar and flakes of Madras . mica . Mr. N. V. Chandrasekariah carried out mapping in ...
Page 177
... pegmatite and quartz veins . The southern portion of the firka is chiefly composed of biotite- gneiss whereas the ... pegmatites intruding schists or gneiss yield good quantities of water through the pegmatites if the pegmatites persist ...
... pegmatite and quartz veins . The southern portion of the firka is chiefly composed of biotite- gneiss whereas the ... pegmatites intruding schists or gneiss yield good quantities of water through the pegmatites if the pegmatites persist ...
Page 263
... pegmatites are at many places found to have traversed the Bundelkhand gneiss with which they are genetically related . The pegmatites consist chiefly of quartz and microcline felspar . The pegmatite veins near Chitai contain small books ...
... pegmatites are at many places found to have traversed the Bundelkhand gneiss with which they are genetically related . The pegmatites consist chiefly of quartz and microcline felspar . The pegmatite veins near Chitai contain small books ...
Contents
SPECIAL INVESTIGATIONScontd | 5 |
VOLUME 82 1949 PART I | 6 |
Titanium M S Krishnan B C Roy As | 10 |
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abutment Ajmer-Merwara alignment alluvium Assam Assistant Geologist Auden Balasundaram bands bank Barakar beds Bihar biotite Bombay Calcutta Carried out geological cement cent Central Provinces charnockites chromite Circle and left coal coalfield coarse colour Cuddapah dam-site Datia days with effect Deccan trap deposits depth district dolerite dykes Engineering epidiorite examined feet felspar fossil Geol Geological Survey Geophysical gneisses Godavari Gondwana granite gypsum Hazra headquarters hill hillocks India investigation joints Journ Kurnool laterite limestone lode Madras magnetite mapping material Messrs Mica miles Mineral Concessions Mining Nagpur nala November occur Ochre Orissa outcrop pegmatite phyllites plateau Pradesh Project quantity quarries quartz quartzites railway reported ridge river road rocks samples sand sandstones seams shales sheet Shri Soapstone soil Southern Circle specimen suitable Survey of India taluk thick tons traps Trichinopoly tunnel United Provinces upstream Valley veins village Vindhya Vindhya Pradesh water supply zone