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 93
... common in the pyroxenes . Star twins are also noted ( Fig . 44 ) . Uralitisation is common with the resultant mineral showing a colour scheme of amphibole but no crys- tallographic directions . In some other instances , the cleavage ...
... common in the pyroxenes . Star twins are also noted ( Fig . 44 ) . Uralitisation is common with the resultant mineral showing a colour scheme of amphibole but no crys- tallographic directions . In some other instances , the cleavage ...
Page 110
... common in the porphyritic granites . Thus , an initial The non - rotated nature of the larger as well as the widespread distribution of basic and ultrabasic rocks could smaller enclaves of banded iron - formation would indicate be ...
... common in the porphyritic granites . Thus , an initial The non - rotated nature of the larger as well as the widespread distribution of basic and ultrabasic rocks could smaller enclaves of banded iron - formation would indicate be ...
Page 110
... common in the porphyritic granites . Thus , an initial widespread distribution of basic and ultrabasic rocks could be visualized . These enclaves , however , do not indicate any belt like development common in many greenstone terrains ...
... common in the porphyritic granites . Thus , an initial widespread distribution of basic and ultrabasic rocks could be visualized . These enclaves , however , do not indicate any belt like development common in many greenstone terrains ...
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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