Records of the Geological Survey of India, Volume 83Geological Survey of India, 1950 - 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 67
... shales are referable to the Irlakondas . Nandyal shales . - The plain country to the west and south of the quartzites is covered by purple to light greenish - grey shales belonging to the Nandyals . They are fine - grained , calcareous ...
... shales are referable to the Irlakondas . Nandyal shales . - The plain country to the west and south of the quartzites is covered by purple to light greenish - grey shales belonging to the Nandyals . They are fine - grained , calcareous ...
Page 464
... shales in this group are encountered north and west of Manchikallu and in the vicinity of Macherla , Rayavaram and Ratsamallepadu . The shales follow closely the outcrops of the Upper Cuddapah quartzites , their relatively undisturbed ...
... shales in this group are encountered north and west of Manchikallu and in the vicinity of Macherla , Rayavaram and Ratsamallepadu . The shales follow closely the outcrops of the Upper Cuddapah quartzites , their relatively undisturbed ...
Page 465
... Shales . Shales resembling the Auk shales of the type area in every respect occur in a small strip of country south of Polepalle though they are , on the whole , poorly - developed in the area . They overlie the top beds of calcareous ...
... Shales . Shales resembling the Auk shales of the type area in every respect occur in a small strip of country south of Polepalle though they are , on the whole , poorly - developed in the area . They overlie the top beds of calcareous ...
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Common terms and phrases
abutment alignment alluvium amphibolites ANON ANON ANON Assam Assistant Geologist Auden Balasundaram bands bauxite beds Bihar biotite Bombay bore-holes cement cent charnockites cherts Circle and left clay coal coalfield colour Cuddapah dam-site days with effect deposits depth district dolerite drilling dykes east examined feet thick felspar furlongs garnetiferous geological mapping Geological Survey geophysical Ghosh gneisses gneissic Gondwana granite granulites grey Ground Water Division ground-water gypsum hills inches investigation iron-ore khondalites Kurnool laterite lignite limestone located M.Sc Madhya Pradesh Madras Messrs mineral Mining nala occur Orissa outcrops pegmatites phyllites quarries quartz quartz veins quartzites radiolarian railway reports Returned to headquarters river road rocks samples sand sandstone schists seams shales sheet 57 soil south-west Southern Circle square miles strike Subramanyam suitable Survey of India systematic mapping taluk Tertiary thin tion tons trap tunnel Uttar Pradesh valley village water supply West Bengal zone