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 61
... granite sedimentary elements . The study brings out , for the first time , several episodes of granite emplacements in the massif . A porphyritic coarse grained granite ( c.2525 Ma , Crawford , 1970 ) is found to be the most extensive ...
... granite sedimentary elements . The study brings out , for the first time , several episodes of granite emplacements in the massif . A porphyritic coarse grained granite ( c.2525 Ma , Crawford , 1970 ) is found to be the most extensive ...
Page 82
... Granite Next in abundance to Jhansi granite are the stock- like masses of porphyritic medium grained granite recorded specially to the northeast of Karesra Kalan , 47 km south of Jhansi on Jhansi - Lalitpur Road ( Fig . 14 ) . This granite ...
... Granite Next in abundance to Jhansi granite are the stock- like masses of porphyritic medium grained granite recorded specially to the northeast of Karesra Kalan , 47 km south of Jhansi on Jhansi - Lalitpur Road ( Fig . 14 ) . This granite ...
Page 114
... granite on a gigantic scale in most parts of the massif . This batholithic granite marked the beginning of a long line of intrusives at least twenty of which are recorded in course of the present study . The granite shows a profuse ...
... granite on a gigantic scale in most parts of the massif . This batholithic granite marked the beginning of a long line of intrusives at least twenty of which are recorded in course of the present study . The granite shows a profuse ...
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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