Records of the Geological Survey of India, Volume 113, Parts 5-6Government of India, 1980 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 36
... folds ( F1 and F ) . The fold ( F1 ) is more conspicuous and is open to tightly isoclinal in style . At places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places thickened ( Fig . 2,3 ...
... folds ( F1 and F ) . The fold ( F1 ) is more conspicuous and is open to tightly isoclinal in style . At places , the folds have become recum- bent ( Fig . 2 and 4. ) Hinge is subangular to round- ed and at places thickened ( Fig . 2,3 ...
Page 59
... folds are refolded into broad warps or open folds on a WNW - ESE to E - W axis . This last recognisable phase of fold- ing F3 , is relatively mild but of regional magnitude . It has at places affected the ultrabasic - ultrama- fic rocks ...
... folds are refolded into broad warps or open folds on a WNW - ESE to E - W axis . This last recognisable phase of fold- ing F3 , is relatively mild but of regional magnitude . It has at places affected the ultrabasic - ultrama- fic rocks ...
Page 143
... folds varies from asymmetrical to tight isoclinal folds . Recumbent as well as refolded folds are also observed . Open upright folds plunging ENE - WSW fall under the F2 category of folds . The later folds seem responsible for ...
... folds varies from asymmetrical to tight isoclinal folds . Recumbent as well as refolded folds are also observed . Open upright folds plunging ENE - WSW fall under the F2 category of folds . The later folds seem responsible for ...
Contents
Geochemical distribution of Trace Elements Over the mineralised fault zone PAGE | 1 |
Geology of parts of Abujhmar area Narainpur Tehsil Bastar district Madhya | 24 |
Geological and Petrographic Studies of the Deccan Basalt Flows | 33 |
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Abujhmar alluvium Ambadongar anorthosite associated augite basalt flows basin beds biotite block bore holes borehole breccia Buldana calcite Charnockite chert chlorite clay clinopyroxene Deccan Trap deposits depth district drainage drilled dykes erosional exhibit exposed fault felspar fluorite folds formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic glass gm/tonne gneisses grade grained granite granulites greisens grey groundmass Group Gundul hill indicated laterite lava layers limestone magnetite Maharashtra metasediments metres migmatite mineralisation minerals Narmada Valley NW-SE occurs olivine opaque phenocrysts phosphorite phyllite plagioclase Plate porphyritic present pyrite pyroclastic pyroxene quartz quartz veins quartzite Quaternary region Rhyolite river rocks samples sandstone schist seam sediments sequence shale slope spores stream stromatolites structure sub-surface sulphide surface Surv Survey of India Tapti thick thin trending tuff Unpublished GSI Report upto Vaghur varies volcanic width zone