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 10
... upper Sylhet Member ( Prang ) of Shella Formation is underlain by Therria Sandstone For- mation and overlain conformably by shale and sandstone of Kopili Formation . The limestone is a bedded deposit striking NNE - SSW with 2-5 ° dip ...
... upper Sylhet Member ( Prang ) of Shella Formation is underlain by Therria Sandstone For- mation and overlain conformably by shale and sandstone of Kopili Formation . The limestone is a bedded deposit striking NNE - SSW with 2-5 ° dip ...
Page 17
... Upper Oligocene to Miocene Group Tipam Sandstone Formation Medium to coarse grained fer- ruginous sandstone with in- traformational oligomictic con- glomerate and profuse silicified fossil wood . Gradational Contact- Surma Group Bokabil ...
... Upper Oligocene to Miocene Group Tipam Sandstone Formation Medium to coarse grained fer- ruginous sandstone with in- traformational oligomictic con- glomerate and profuse silicified fossil wood . Gradational Contact- Surma Group Bokabil ...
Page 24
... ( Upper Bhuban Formation ) Predominantly arenaceous se- quence of interbedded to inter- laminated sandstone , siltstone and shale . Sandstone bands are prominent . -Gradational Contact ( inferred ) - Aizawl Formation ( upper part of Lower ...
... ( Upper Bhuban Formation ) Predominantly arenaceous se- quence of interbedded to inter- laminated sandstone , siltstone and shale . Sandstone bands are prominent . -Gradational Contact ( inferred ) - Aizawl Formation ( upper part of Lower ...
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