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 24
... thick sequence of interbedded shale , sandstone , siltstone and their admixtures in varying propor- tions belonging to Surma Group of Miocene age . Surma Group is divided into Bhuban and Bokabil Subgroups . Earlier workers in Mizoram ...
... thick sequence of interbedded shale , sandstone , siltstone and their admixtures in varying propor- tions belonging to Surma Group of Miocene age . Surma Group is divided into Bhuban and Bokabil Subgroups . Earlier workers in Mizoram ...
Page 41
... thick pile of volcano - sedimentary sequence . The lithounits recorded in the 330 sq.km of mapped area falling in parts of toposheets nos 82 P / 4 , P / 8 and 82 L / 16 belong to Buxa Formation , Miri Formamtion , Abor volcanics with ...
... thick pile of volcano - sedimentary sequence . The lithounits recorded in the 330 sq.km of mapped area falling in parts of toposheets nos 82 P / 4 , P / 8 and 82 L / 16 belong to Buxa Formation , Miri Formamtion , Abor volcanics with ...
Page 81
... thick bands of carbonaceous schists and crystalline lime- stones trending in NW - SE to N 60 W - S 60 E direction with steep dips towards both NE and SW directions . The river Lohit follows a major fault at the proposed barrage site ...
... thick bands of carbonaceous schists and crystalline lime- stones trending in NW - SE to N 60 W - S 60 E direction with steep dips towards both NE and SW directions . The river Lohit follows a major fault at the proposed barrage site ...
Contents
AssamMeghalaya TripuraMizoram and ManipurNagaland | 3 |
Geological Mapping TripuraMizoram | 23 |
Geological Mapping ManipurNagaland | 29 |
Copyright | |
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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