Records of the Geological Survey of India, Volume 114, Part 3The Survey, 1989 - 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 51
... porphyritic granite having sharp contact with metamorphites and ( b ) non - porphyritio granite having gradational contact with the metamorphites . Modal analysis of representa- tive samples of the two varieties of granite indicate ...
... porphyritic granite having sharp contact with metamorphites and ( b ) non - porphyritio granite having gradational contact with the metamorphites . Modal analysis of representa- tive samples of the two varieties of granite indicate ...
Page 54
... porphyritic granite and ( b ) non - porphyritic granite . The salient features of these two types of granite are given below : ( a ) Porphyritic granite Photo characters : In aerial photographs , these granite plutons form dome like ...
... porphyritic granite and ( b ) non - porphyritic granite . The salient features of these two types of granite are given below : ( a ) Porphyritic granite Photo characters : In aerial photographs , these granite plutons form dome like ...
Page 59
... non porphyritic anite . Chotanagpur granite gneisses however , show stinctly higher proportion of quartz . K - feldspar- lagioclase ratio is intermidiate between the porphyritic anite ( G - 1 ) and non porphyritic granite ( G - 2 ) ...
... non porphyritic anite . Chotanagpur granite gneisses however , show stinctly higher proportion of quartz . K - feldspar- lagioclase ratio is intermidiate between the porphyritic anite ( G - 1 ) and non porphyritic granite ( G - 2 ) ...
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Common terms and phrases
abandoned quarries alluvium Archaean average axis Balasore Barakar Baripada beds BASU Basudebpur Bihar Bihar Mica Belt biotite block calcareous sandy clay charnockite Chotanagpur clay seam cultural mound deposit derelict lands developed excavation folds foliation foundation fractures Ganjam Geol GEOLOGICAL SURVEY geothermal fields gneiss gneissic Gondwana grained granite granite bodies granitic plutons grout hot spring INDIA Records Volume indicate intrusive Khondalite Kolab Koraput district laterites mapping materials metamorphites metre mica schist migmatite mineral nala natural landscape Nilgiri non-porphyritic granite open cast mining Orissa pediplains pegmatites plagioclase porphyritic porphyritic granite ppm ppm ppm present Puri district quarry depressions quartz quartzite Quaternary formations Rammam Raniganj Raniganj coalfield reclamation Records Volume 114 river samples schist Sector seepages shear zones Shri soil SPECTRAL REFLECTANCE sq km structures subsided lands surface Surv SURVEY OF INDIA Taptapani Tarabalue thermal water tion tunnel underground mines Upper Kolab varieties of granite West Bengal