Records of the Geological Survey of IndiaGeological Survey of India, 1939 - 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 41
... pegmatite , usually vein - quartz , but quartz - muscovite - pegmatites , some with " books " of muscovite up to three - quarters of an inch across , occur . Dr. Coulson noted ample evidence of crumpling , buckling , slipping and ...
... pegmatite , usually vein - quartz , but quartz - muscovite - pegmatites , some with " books " of muscovite up to three - quarters of an inch across , occur . Dr. Coulson noted ample evidence of crumpling , buckling , slipping and ...
Page 56
... pegmatites in the hills about three miles E. N. E. of Lethagon ( 21 ° Meiktila district , Burma . 1 ' : 96 ° 12 ′ ) , Meiktila district , and in lumps in pegmatitic granite in the hills about three and a half miles E. N. E. of Myaingtha ...
... pegmatites in the hills about three miles E. N. E. of Lethagon ( 21 ° Meiktila district , Burma . 1 ' : 96 ° 12 ′ ) , Meiktila district , and in lumps in pegmatitic granite in the hills about three and a half miles E. N. E. of Myaingtha ...
Page 60
... pegmatite dykes . The granite , which is excellently exposed in the quarries on the east side of the hill , varies from fine aplitic to coarse porphyritic biotite granite and in it quartz veins 1 Mem . Geol . Surv . Ind . , XXXIX , Pt ...
... pegmatite dykes . The granite , which is excellently exposed in the quarries on the east side of the hill , varies from fine aplitic to coarse porphyritic biotite granite and in it quartz veins 1 Mem . Geol . Surv . Ind . , XXXIX , Pt ...
Page 67
... pegmatite . In some of the banded gneissic vari- ties , felspar and quartz form definite bands whilst bands rich in biotite also occur . Crushed bands in the series contain biotite , quartz , felspar , iron - ore and apatite . The ...
... pegmatite . In some of the banded gneissic vari- ties , felspar and quartz form definite bands whilst bands rich in biotite also occur . Crushed bands in the series contain biotite , quartz , felspar , iron - ore and apatite . The ...
Page 70
... pegmatites ; dark basic segregations are occasionally seen in them , while basic doleritic rocks showing ophitic texture were noted in them in three places . Another interesting rock type of the area is volcanic tuff which occurs in ...
... pegmatites ; dark basic segregations are occasionally seen in them , while basic doleritic rocks showing ophitic texture were noted in them in three places . Another interesting rock type of the area is volcanic tuff which occurs in ...
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Common terms and phrases
1.-General Report 3.-Mineral Production Aravalli Assam Baluchistan basal Bengal Bihar biotite Bombay calcareous Calcutta cassiterite Central Provinces charnockite Chinji Coal Coal-field conglomerate Congr Coulson Cretaceous Deccan trap deposits Dhok Pathan Diener district earthquake east Eastern Eastern States Agency Eocene F. R. C. Reed fauna felspar formation Fossil garnet genus Geol Geological Survey Geologist Geology gneisses gneissic Gondwana granite Hills Himalayas India intrusive Journ Kashmir limestone Lower Madras Memoir metamorphic meteorite Mica miles minerals Mining Miscellaneous Notes Nagpur Narbada North-West Northern Shan occur outcrops Paliyad Permian phyllites Pinjor plateau print).-Annual report Proc Production of India Punjab quartz quartzite Rajputana Red Beds river rocks rupees Sahni Salt Range sandstones schists shales sheet Siwalik Southern species specimens Surv Survey of India Tertiary Trias Triassic Twenty-fourth Ind Upper Burma valley veins Vindhyan VOL VOL Western wolfram Yunnan