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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Results 1-3 of 10
Page 5
... varies from 20 m . to 40 m . On both sides of the dyke , medium to coarse grained weathered gra- nitic rocks are present . Availability of boulders varies from 10 to 15 nos . of larger than 1 m size and 35 to 50 nos . of 1 m to 1/2 m ...
... varies from 20 m . to 40 m . On both sides of the dyke , medium to coarse grained weathered gra- nitic rocks are present . Availability of boulders varies from 10 to 15 nos . of larger than 1 m size and 35 to 50 nos . of 1 m to 1/2 m ...
Page 8
... varies from 25 to 160 m . The up- per 5 to 10 m limestone horizon , below the Kopili shale , is reddish brown and ... varying structural and textural variation are intru- sive into the basement gneisses and Shillong Group . Four phases ...
... varies from 25 to 160 m . The up- per 5 to 10 m limestone horizon , below the Kopili shale , is reddish brown and ... varying structural and textural variation are intru- sive into the basement gneisses and Shillong Group . Four phases ...
Page 47
... varying from 150 m to 300 m . The cummulative strike length of each zone varies from 600 to 750 m . The chargeability anomalies are of the order of 15 to 25 mv / v over a background of 20 mv / v . Some of these chargeability closures ...
... varying from 150 m to 300 m . The cummulative strike length of each zone varies from 600 to 750 m . The chargeability anomalies are of the order of 15 to 25 mv / v over a background of 20 mv / v . Some of these chargeability closures ...
Contents
Foreword | 1 |
PROJECT2 LIMESTONE MEGHALAYA | 7 |
Regional geoenvironmental appraisal of Meghalaya | 9 |
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Common terms and phrases
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