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 8
... upto 50 cm exposed and some of these contain specks of pyrite but molybdenite could not be detected . The Emission Spectrograph results of 47 samples of quartz veins received from Chemical Division , NER , indicated Mo values upto 40 ...
... upto 50 cm exposed and some of these contain specks of pyrite but molybdenite could not be detected . The Emission Spectrograph results of 47 samples of quartz veins received from Chemical Division , NER , indicated Mo values upto 40 ...
Page 33
... upto a length of upto 5 km with a max- imum width of 1.25 kms , and show pinching and swelling . Isolated bodies , few metres in size , also occur within the oceanic pelagic sediments . The ophiolite suite is represented by harzburgite ...
... upto a length of upto 5 km with a max- imum width of 1.25 kms , and show pinching and swelling . Isolated bodies , few metres in size , also occur within the oceanic pelagic sediments . The ophiolite suite is represented by harzburgite ...
Page 43
... upto a total of 11.00 km . The area has been divided for exploration purposes into Mukatung , Amritaganga - Vasudhara and Shergaon blocks , each of about 1.50 sq.km in area . This was followed by detailed mapping ( 1 : 2,000 scale ) of ...
... upto a total of 11.00 km . The area has been divided for exploration purposes into Mukatung , Amritaganga - Vasudhara and Shergaon blocks , each of about 1.50 sq.km in area . This was followed by detailed mapping ( 1 : 2,000 scale ) of ...
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