Records of the Geological Survey of India, Volume 117, Part 2The Survey, 1986 - 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 79
... associated granites are the same . et al ( 1975 ) have assigned these two areas to two separate tectonic blocks . Jhingran ( 1958 , p . 11 ) mentions quartz schists and feldspathic schists . Their sizes vary from a few centimetres ...
... associated granites are the same . et al ( 1975 ) have assigned these two areas to two separate tectonic blocks . Jhingran ( 1958 , p . 11 ) mentions quartz schists and feldspathic schists . Their sizes vary from a few centimetres ...
Page 100
... associated with pyrophyllite at Gorahri in geode like bodies upto 12 cm in diameter . An analysis of the purple variety of pyrophyllite , usually the best grade material , gave Al , O , -82.09 % , SiO , -3.71 % and Fe , O , -0.07 ...
... associated with pyrophyllite at Gorahri in geode like bodies upto 12 cm in diameter . An analysis of the purple variety of pyrophyllite , usually the best grade material , gave Al , O , -82.09 % , SiO , -3.71 % and Fe , O , -0.07 ...
Page 121
... associated rocks . Indian Mining Journal , V. 5 , p . 9 . 1961 - Some observations on the reefs in the Bundelkhand and granites of the type area . Ind . Met . Min . Review , pp . 20-39 . 1961 - Bundelkhand granites and associated rocks ...
... associated rocks . Indian Mining Journal , V. 5 , p . 9 . 1961 - Some observations on the reefs in the Bundelkhand and granites of the type area . Ind . Met . Min . Review , pp . 20-39 . 1961 - Bundelkhand granites and associated rocks ...
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Common terms and phrases
albite amphibolite amphibolite facies aureole Babina banded iron-formation Basu Batholith Berwar Bijawar biotite bodies Bundelkhand Bundelkhand granitic massif Bundelkhand massif chlorite composition conglomerate country rocks crystals developed dips dolerite dykes emplacement enclaves esmeraldite exhibit feature feldspar folds foliation formation garnet Geol GEOLOGICAL SURVEY gneisses Gneissic Complex grade grained granite granite granitic rocks granitoid groundmass H₂O hornblende inclusions INDIA Records indicate intrusive Jhansi granite Jhararghat K-feldspar Kabrai Karesra Karitoran lamellae leucogranite magmatic magnetite Mahroni mapped Mau Ranipur megacrysts metabasic metamorphism microcline migmatites minerals muscovite Mylliem Mylliem Pluton myrmekite occur outcrops parallel pegmatite perthite phenocrysts plagioclase pluton porphyritic porphyritic coarse grained porphyritic granites Precambrian pyrophyllite quartz quartz reefs quartz-sericite rock quartzites recrystallization relict samples schist schistose sedimentary sediments sericite shear Shillong Group Shillong rocks Shillong Series South Khasi Batholith sphene strike structural suggest SURVEY OF INDIA syenitic textural trending twins upto veins xenoliths zone