Records of the Geological Survey of India, Volume 127, 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 33
... show a general NNE - SSW trend and occur as dismembered tectonic slices . The slices are linear upto a length of upto 5 ... shows slickenslides and consists mainly serpen- tinised orthopyroxenes and olivine with chromite and mag- netite ...
... show a general NNE - SSW trend and occur as dismembered tectonic slices . The slices are linear upto a length of upto 5 ... shows slickenslides and consists mainly serpen- tinised orthopyroxenes and olivine with chromite and mag- netite ...
Page 41
... shows the presence of oolites with perepheral concentric rings bordering the core material of cal- cite crystals or rock fragments . Solitary ooids are most predominant but sometimes two or more ooids are joined . This facies show a ...
... shows the presence of oolites with perepheral concentric rings bordering the core material of cal- cite crystals or rock fragments . Solitary ooids are most predominant but sometimes two or more ooids are joined . This facies show a ...
Page 61
... shows development of contemporaneous terraces coeval with Brah- maputra Older Flood Plain . Geologically it consists of a cyclic sequence of unoxidised greyish sand , silt and clay . Paddy cultivation , pisciculture , and sparse ...
... shows development of contemporaneous terraces coeval with Brah- maputra Older Flood Plain . Geologically it consists of a cyclic sequence of unoxidised greyish sand , silt and clay . Paddy cultivation , pisciculture , and sparse ...
Contents
AssamMeghalaya TripuraMizoram and ManipurNagaland | 3 |
Geological Mapping TripuraMizoram | 23 |
Geological Mapping ManipurNagaland | 29 |
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Abor volcanics abutment Aizawl alignment amphibolite anomaly anticlines arenaceous argillaceous ARUNACHAL PRADESH Assam axial bands Barail Group bed rock Bhuban Formation block Bokabil bore holes boreholes Brahmaputra Buxa Formation Chandel districts channel chromite clay dam axis deposits depth Disang dolomite drilling East Siang East Siang district Engineering Geology excavated exposed faults field season fold geochemical geomorphological geotechnical gneiss grey Group of rocks harzburgite hill indicated investigation Jorhat limestone lithological lithounits located LUNGLEI DISTRICTS Manipur medium grained Meghalaya mineral mineralisation MIZORAM NAGALAND nala NE-SW Noa Dihing occur Older Alluvial Plain ophiolite pelagic sediments Phyllite power house Precambrian Project proposed quartz quartzite Quaternary regional right bank river Samchampi samples sandstone schist sequence shale shear Shergaon Shillong Shillong Group silt siltstone slope sq.km structures studies sulphides surface Surma Group synclines systematic geological mapping terrace Tertiary thick Tipam traverses Tripura tunnel ultramafic Umpyrtha area unconformably upto veins Yinkiong zone