Records of the Geological Survey of India, Volume 115, Parts 3-6The 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 18
... biotite schist , garnet schist , staurolite schist and kyanite schist . Garnet and biotite schists commonly alternate with staurolite schists . Staurolite Schist is friable and . rich in muscovite and- biotite . Minerals in order of ...
... biotite schist , garnet schist , staurolite schist and kyanite schist . Garnet and biotite schists commonly alternate with staurolite schists . Staurolite Schist is friable and . rich in muscovite and- biotite . Minerals in order of ...
Page 17
... BIOTITE GNEISS RELATIONSHIP Rock types mapped as ' Mixed gneisses ' , Com- posite gneisses ' and ' Migmatites ' in central Kerala by earlier workers are all migmatites and are grouped here as ' biotite gneisses ' . Local and regional ...
... BIOTITE GNEISS RELATIONSHIP Rock types mapped as ' Mixed gneisses ' , Com- posite gneisses ' and ' Migmatites ' in central Kerala by earlier workers are all migmatites and are grouped here as ' biotite gneisses ' . Local and regional ...
Page 18
... biotite gneiss , especially those without graphite and sillimanite , mapped in south Kerala as khondalite is actually the garnet - biotite gneiss derived from garnet charnockite . It is evident from the above that hornblende gneiss and ...
... biotite gneiss , especially those without graphite and sillimanite , mapped in south Kerala as khondalite is actually the garnet - biotite gneiss derived from garnet charnockite . It is evident from the above that hornblende gneiss and ...
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Common terms and phrases
alkaline alluvium Anhoni anomaly Barail basalt basin belt biotite bore hole borehole carbonatite channel charnockite chloride cyclone Deccan Trap deposits depth discharge district drilling dykes Formation fracture garnet Geol Geological Survey geophysical geothermal system gneiss Gondwana gradient grains granulite grey GSI Rec 115 hills hornblende hot spring hot spring area hot water indicate Khed kimberlite lamprophyres laterite limestone lineament located Madhya Pradesh magnetite Maharashtra Meghalaya metres mineral mineralisation Muthuraman Nala ND ND ND occur olivine pipe rocks Proterozoic pyroxene quartz range Rec 115 pts region reservoir river Salbardi samples sand sandstone Sativli schist sediments shale soil structural studies stylolites surface Surguja Surv Survey of India taluk Tattapani fault TATTAPANI HOT SPRING temperature thermal manifestation thermal springs thermal waters thickness Thussu trap flow trending Trichinopoly Tural Unhavre Khed Unpub upflow zone upto Uttattur Vajrakarur valley values width