Records of the Geological Survey of India, Volume 79Geological Survey of India, 1953 - 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 97
... pegmatites have replaced the schists , and in certain composite pegmatites every gradation may be observed between partially replaced schist and massive pegmatite . Not uncommonly , the pegmatite shows a quartz core , suggesting that ...
... pegmatites have replaced the schists , and in certain composite pegmatites every gradation may be observed between partially replaced schist and massive pegmatite . Not uncommonly , the pegmatite shows a quartz core , suggesting that ...
Page 325
... pegmatites are low and the maximum size of a trimmed mica obtained being about 1 square inch . Kalahandi State ... pegmatites in garnetiferous schists of the khondalitic type . The pegmatites contain books of muscovite , the mica ...
... pegmatites are low and the maximum size of a trimmed mica obtained being about 1 square inch . Kalahandi State ... pegmatites in garnetiferous schists of the khondalitic type . The pegmatites contain books of muscovite , the mica ...
Page 554
... pegmatites are seen along a nallah west of Boganam- padu ( 15 ° 18 ′ 30 ′′ : 79 ° 42 ′ ) . The pegmatites strike N. W. with an average dip of 85 ° towards the east . The length of the pegmatite vein at this place cannot be gauged as it ...
... pegmatites are seen along a nallah west of Boganam- padu ( 15 ° 18 ′ 30 ′′ : 79 ° 42 ′ ) . The pegmatites strike N. W. with an average dip of 85 ° towards the east . The length of the pegmatite vein at this place cannot be gauged as it ...
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Common terms and phrases
A. K. Dey alluvium Assam Assistant Geologist Attached B. C. Roy Baluchistan bands bauxite beds Bengal Bihar Bombay boulders Burma Calcutta cent Central Provinces charnockites chaung clay Clegg coal colour Congr Cretaceous deposits depth dolomites E. R. Gee east Eastern States Agency examined feet thick ferruginous field fossils Geol Geological Survey Ghosh gneisses Gondwana granite graphite grey hill inches investigation J. B. Auden Journ khondalites Koraput district Lahiri laterite limestone M. S. Krishnan Madras Party mapping mica miles mineral mines nala occur Orissa outcrop Party and left pegmatites phyllites Proc Provinces Party Punjab pyrites quarries quartz veins quartzites railway reports the occurrence Returned to headquarters ridge river road rocks Sahni Sambalpur district sand sandstones schists seam shales sheet Siwalik slates soil specimens sulphur Surv Survey of India tons tube-wells United Provinces village water supply wolfram