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 5
... anomaly POSITIVE MAGNETIC ANOMALY Ө NEGATIVE MAGNETIC ANOMALY SP S.P. ANOMALY G.S.I. , Rec . 127 , Pt . 4 * * INDEX MICACEOUS QUARTZ SILLIMANITE SCHIST QUARTZ BIOTITE GNEISS FINE / MEDIUM GRANITE / XXGNEISSIC GRANITE ANTHOPHYLITE ...
... anomaly POSITIVE MAGNETIC ANOMALY Ө NEGATIVE MAGNETIC ANOMALY SP S.P. ANOMALY G.S.I. , Rec . 127 , Pt . 4 * * INDEX MICACEOUS QUARTZ SILLIMANITE SCHIST QUARTZ BIOTITE GNEISS FINE / MEDIUM GRANITE / XXGNEISSIC GRANITE ANTHOPHYLITE ...
Page 101
... anomaly corroborating with I.P chargeability anomaly probably demarcates the contact between micaceous quartz - sillimanite schist and quartz - biotite gneiss . Semi - regional magnetic surveys carried out in Samchampi Alkaline Complex ...
... anomaly corroborating with I.P chargeability anomaly probably demarcates the contact between micaceous quartz - sillimanite schist and quartz - biotite gneiss . Semi - regional magnetic surveys carried out in Samchampi Alkaline Complex ...
Page 102
... anomaly to further southwest of borehole UPT - 29 , with an amplitude of 6 to 7mv / v against the background of 2 to 4mv / v . The low amplitude of the anomaly is probably due to lack of dis- seminated mineralisation at shallow depth ...
... anomaly to further southwest of borehole UPT - 29 , with an amplitude of 6 to 7mv / v against the background of 2 to 4mv / v . The low amplitude of the anomaly is probably due to lack of dis- seminated mineralisation at shallow depth ...
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