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 32
... strike ridge trending N 70 ° W - S 70 ° E . The strike ridge is truncated by northeasterly trending strike ridges of sandstones of the Shillong Group . The structural contrasts are etched out by the topographic grain ( Fig . 7 ) . Another ...
... strike ridge trending N 70 ° W - S 70 ° E . The strike ridge is truncated by northeasterly trending strike ridges of sandstones of the Shillong Group . The structural contrasts are etched out by the topographic grain ( Fig . 7 ) . Another ...
Page 73
... strike length of 8 km ; another stretch is seen 3.6 km south of the above from the east bank of the river eastwards for a strike length of 3 km along the northern flanks of Baraitha village . The thickness of the bands vary from 0.2 cm ...
... strike length of 8 km ; another stretch is seen 3.6 km south of the above from the east bank of the river eastwards for a strike length of 3 km along the northern flanks of Baraitha village . The thickness of the bands vary from 0.2 cm ...
Page 95
... strike of the bodies . Therefore , the structure is best viewed in sections at right angles to the strike of the bands . The hinges are somewhat rounded with the northern limbs shorter than the southern ones ( Fig . 12 ) . Folds in the ...
... strike of the bodies . Therefore , the structure is best viewed in sections at right angles to the strike of the bands . The hinges are somewhat rounded with the northern limbs shorter than the southern ones ( Fig . 12 ) . Folds in the ...
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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