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 66
... dykes Pre - Dharwar Bundel- khand Granite Complex with quartz reef , and with inclusions Mahroni schists of Jhingran , 1958 Basic dykes Quartz reefs Granites ( of ten mega- scopic types ) Relict metasediments Dharwars ( ? ) TABLE I ...
... dykes Pre - Dharwar Bundel- khand Granite Complex with quartz reef , and with inclusions Mahroni schists of Jhingran , 1958 Basic dykes Quartz reefs Granites ( of ten mega- scopic types ) Relict metasediments Dharwars ( ? ) TABLE I ...
Page 93
... dykes are very common in the Bundelkhand massif and probably mark the last phase of intrusion . A vast majority of the dykes trend NW - SE cutting across the NE - SW trending quartz ' reefs ' . Important bodies have been delineated ...
... dykes are very common in the Bundelkhand massif and probably mark the last phase of intrusion . A vast majority of the dykes trend NW - SE cutting across the NE - SW trending quartz ' reefs ' . Important bodies have been delineated ...
Page 96
... Dykes Joints are developed to various extent in all rocks of the massif . This structure is least developed in the metabasic enclaves and the quartzitic granites , and are profusely developed in the various granites , to a lesser extent ...
... Dykes Joints are developed to various extent in all rocks of the massif . This structure is least developed in the metabasic enclaves and the quartzitic granites , and are profusely developed in the various granites , to a lesser extent ...
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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