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 1
... Khasi Batholith . The Khasi Greenstone is a group of basic eruptives within the Shillong Group and share the metamorphism of the latter . The porphyritic granitoid plutons are disharmonious plutons within the Shillong Group ; within the ...
... Khasi Batholith . The Khasi Greenstone is a group of basic eruptives within the Shillong Group and share the metamorphism of the latter . The porphyritic granitoid plutons are disharmonious plutons within the Shillong Group ; within the ...
Page 4
... Khasi Greentone ) were correlated with the Sylhet Trap ; this was a direct cons- equence of lack of facilities for microscope work . The greenstones were correctly considered older than the por- phyritic granite , but the age of the ...
... Khasi Greentone ) were correlated with the Sylhet Trap ; this was a direct cons- equence of lack of facilities for microscope work . The greenstones were correctly considered older than the por- phyritic granite , but the age of the ...
Page 56
... Khasi Hills , Meghalaya . Misc . Pub . Geol . Surv . Ind . No. 23 1966 - Systematic geological mapping around Nayabungalow , United Khasi and Jaintia Hills District , Assam . Geol , Surv . Ind . Prog . Rep . unpublished . , 1967 - On ...
... Khasi Hills , Meghalaya . Misc . Pub . Geol . Surv . Ind . No. 23 1966 - Systematic geological mapping around Nayabungalow , United Khasi and Jaintia Hills District , Assam . Geol , Surv . Ind . Prog . Rep . unpublished . , 1967 - On ...
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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