Records of the Geological Survey of India, Volume 130, Part 4The Survey, 1995 - 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 6
... bands occur within the phyllites . At places , where the S plane is vertical to subvertical , recumbent folds ( F ) hav developed . During the last stage of deformational episode the F4 folds occur in three sets of vertical axial planes ...
... bands occur within the phyllites . At places , where the S plane is vertical to subvertical , recumbent folds ( F ) hav developed . During the last stage of deformational episode the F4 folds occur in three sets of vertical axial planes ...
Page 27
... bands with width varying from 20 to 30 m . The lower band is white , relatively coarser grained while the upper one is bluish - grey to grey . The foliation is observed in phyllite and in parts of quartzite . The bedding and foliation ...
... bands with width varying from 20 to 30 m . The lower band is white , relatively coarser grained while the upper one is bluish - grey to grey . The foliation is observed in phyllite and in parts of quartzite . The bedding and foliation ...
Page 44
... bands of Sylhet Limestone and Kopili Formation . The Therria Sandstone is yellowis coarse grained , poorly sorted , moderately indurated an well bedded . In Sylhet Formation two limestone bands are separated by sandstone . The upper band ...
... bands of Sylhet Limestone and Kopili Formation . The Therria Sandstone is yellowis coarse grained , poorly sorted , moderately indurated an well bedded . In Sylhet Formation two limestone bands are separated by sandstone . The upper band ...
Contents
Foreword | 1 |
PROJECT2 LIMESTONE MEGHALAYA | 7 |
Regional geoenvironmental appraisal of Meghalaya | 9 |
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abutment amphibolite Archaean ARUNACHAL PRADESH Assam axial plane axis bands basemetal bed rock Bhuban Formation biotite block bore holes boreholes carried channel Chu valley clay comprises conglomerate construction Crystalline Complex depth dimension stones dips dolerite drilled dyke EAST KHASI HILLS evaluation excavation exposed folds foliation Gandhigram Formation GDP-LOG geoenvironmental GEOTECHNICAL INVESTIGATION gneisses granite gneiss granitoids grey Karbi Anglong district KHASI HILLS DISTRICT Kopili lamprophyre leakage limestone lithounits located Mahadek Formation Mawsynram medium grained Meghalaya metasedimentary metasediments micaceous Middle Bhuban migmatites mineralisation mylonitic Nagaon overburden phyllite power house proposed Proterozoic quartzite Quaternary reservoir river samples sandstone scale schist sediments Sela Group sequence shale Shillong Shillong Group Siang district siltstone slope soil spillway sq km sq km area sq.km structure studies Subansiri suitable Surma Group surveys Systematic geological mapping Tertiary thick Thrust Tilung Tipam Toposheet trending Tuting Crystallines Unconformity Upper Bhuban upstream WEST के