Records of the Geological Survey of India, Volume 131, Part 4The Survey, 1996 - 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 4
... folds of quartz veins within the gneisses oblique to the foliation ; F2 folds are isocli- nal , parallel to the foliation and the F3 folds are broad warps . BETASING - GARODOBA AREA [ 78G / 14 ] On the gradually sloping western fringe ...
... folds of quartz veins within the gneisses oblique to the foliation ; F2 folds are isocli- nal , parallel to the foliation and the F3 folds are broad warps . BETASING - GARODOBA AREA [ 78G / 14 ] On the gradually sloping western fringe ...
Page 10
... folds with NNE - SSW axial planes and upright , open F4 folds with 3 sets of vertical axial planes striking N - S , E - W and NW - SE . Projection diagram reveals that the cen- tral part also has recumbent / reclined isoclinal folds ...
... folds with NNE - SSW axial planes and upright , open F4 folds with 3 sets of vertical axial planes striking N - S , E - W and NW - SE . Projection diagram reveals that the cen- tral part also has recumbent / reclined isoclinal folds ...
Page 31
... folds ( i ) highly appressed and reclined and ( ii ) open with gentle to moderate north- westerly plunge . An axial planar crenulation is associated with these folds . The general trend of the mylonitc foliation is paral- lel to the ...
... folds ( i ) highly appressed and reclined and ( ii ) open with gentle to moderate north- westerly plunge . An axial planar crenulation is associated with these folds . The general trend of the mylonitc foliation is paral- lel to the ...
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Common terms and phrases
alignment ANTICLINE Arunachal Pradesh Assam AXIAL TRACE bands basin bedrock BHUBAN FORMATION biotite Block Bokabil boreholes boulders Chhimtuipui Code construction dam axis Dawki depth Dibang Valley district dimension stone dips drilled East Khasi Hills excavation exposed fault folds foliation Gandhigram Formation Garo Hills geoenvironmental GEOTECHNICAL APPRAISAL GEOTECHNICAL EVALUATION GEOTECHNICAL INVESTIGATION gneiss gold and basemetal granite granitoid grey Hailakandi districts Hunli investigation for gold Jaintia Hills district kg/cm² KHASI HILLS DISTRICT Kopili Formation Lakadong landslide left abutment limestone located Longlai valley Lower Balijan Lunglei Lunglei districts magnetic VF medium grained Meghalaya mineralisation Mizoram Multipurpose Project Namdhapa Papumpare power channel power house PROJECT OVERVIEW proposed dam quartzite Quaternary right abutment right bank river road rocks samples sandstone scale schist sedimentary shear zone Shillong Group siltstone Siwalik slope spillway sq km sq km area structure studies suitable surface synclines Systematic geological mapping thick Tilung Tipam TOPOSHEET trending upstream WEST KHASI