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 13
... major economic activity . The area exhibits an undulating topography with high hill ranges ( maximum height 615 m ) and interven- ing narrow valleys . It comprises Tura sandstone of Eocene - age unconformably overlying the Pre ...
... major economic activity . The area exhibits an undulating topography with high hill ranges ( maximum height 615 m ) and interven- ing narrow valleys . It comprises Tura sandstone of Eocene - age unconformably overlying the Pre ...
Page 25
... MAJOR SYNCLINE AXIAL TRACE OF MAJOR ANTICLINE FAULT UB t6 PHOTO DIP , LOW , MODERATE PHOTO LINEAMENT G.S./ MC / 20 NO 795/98 5001 400 300 2000 100 DITLANG 1 ME 08 KUB 3041160 YASEKAI NGHALINLUI BOK Ma MB 184 SAIBAWH 1 137 Bot - soy ...
... MAJOR SYNCLINE AXIAL TRACE OF MAJOR ANTICLINE FAULT UB t6 PHOTO DIP , LOW , MODERATE PHOTO LINEAMENT G.S./ MC / 20 NO 795/98 5001 400 300 2000 100 DITLANG 1 ME 08 KUB 3041160 YASEKAI NGHALINLUI BOK Ma MB 184 SAIBAWH 1 137 Bot - soy ...
Page 28
... major lithotectonic units have been demarcated . The lowermost unit is a thick sedimentary sequence designated as Gandhigram Formation of Tertiary affinity . It is tectonically overlain by the low grade metasedimentary unit of Tilung ...
... major lithotectonic units have been demarcated . The lowermost unit is a thick sedimentary sequence designated as Gandhigram Formation of Tertiary affinity . It is tectonically overlain by the low grade metasedimentary unit of Tilung ...
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Common terms and phrases
alignment Alluvium ANTICLINE Archaean Arunachal Pradesh Assam AXIAL TRACE bands basin bedrock BHUBAN FORMATION biotite Bokabil boreholes boulders Chhimtuipui conglomerates construction dam axis Dawki depth Dibang Valley district dimension stone dips drilled East Khasi Hills erosion excavation exposed fault folds foliation Gandhigram Formation Garo Hills geoenvironmental GEOTECHNICAL APPRAISAL GEOTECHNICAL EVALUATION GEOTECHNICAL INVESTIGATION Ghosh 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 Lunglei districts magnetic VF Manipur marble medium grained Meghalaya mineral mineralisation Mizoram Multipurpose Project Nagaland OVERVIEW Papumpare penstock power channel proposed dam quartzite Quaternary resource right abutment right bank river road rocks sandstone scale schist sedimentary shear zone Shillong Group siltstone Siwalik slope spillway sq km sq km area structure studies suitable synclines Systematic geological mapping Tertiary thick Tilung Tipam TOPOSHEET trending upstream WEST KHASI