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 13
... folded isoclinally ; on this foliation there are sometimes more than one set of folds . This results in very complex fold geometry . In the gneisses persistent colour bands and parallelism of amphibolite bodies to the foliation suggest ...
... folded isoclinally ; on this foliation there are sometimes more than one set of folds . This results in very complex fold geometry . In the gneisses persistent colour bands and parallelism of amphibolite bodies to the foliation suggest ...
Page 16
... folds on complex recumbent folds is quite clearly seen , as also the presence of two fault zones . Such recumbent fold styles have caused colour bands to adopt attitudes parallel to the trend of the axial planes . Amphibolite layers ...
... folds on complex recumbent folds is quite clearly seen , as also the presence of two fault zones . Such recumbent fold styles have caused colour bands to adopt attitudes parallel to the trend of the axial planes . Amphibolite layers ...
Page 99
... Folds Rocks in the Bundelkhand massif do not seem to have suffered any significant folding . At least mesoscopic folds are extremely rare . The remarkable homogeneity of lithological composition of the esmeraldite does not permit ...
... Folds Rocks in the Bundelkhand massif do not seem to have suffered any significant folding . At least mesoscopic folds are extremely rare . The remarkable homogeneity of lithological composition of the esmeraldite does not permit ...
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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