Department of Geology
Publications


  1. R.N. Sarmah (1989). A quantitative study of zircon and tourmaline from the Disang and Barail sediments, Kohima, Nagaland. Journal of the Assam Science Society, vol. 31, pp. 21-27.
  2. R.N. Sarmah (1989). Clay minerals in Disang-Barail groups of sediments from Kohima, Nagaland. Bulletin of the Indian Geologists’ Association, vol. 22, pp. 107-111.
  3. S.K. Srivastava (1991). Granulometric analysis of Nagthat Formation around Maldeota, Dehradun, UP. Journal of the Assam Science Society, vol. 33, pp. 56-68.
  4. R.N. Sarmah (1993). Grain size and sorting of the Neogene sediments from Chumukedima-Paglapahar area, Kohima district, Nagaland. Bulletin of the Indian Geologists' Association, vol. 26, pp. 39-43.
  5. S.K. Srivastava (1995). Ground water conditions in hard rocks in Ahmednagar District of Maharastra. Journal of the Assam Science Society, vol. 37, pp. 116-118.
  6. C.C. Bhattachrajee (1997). Tectonism and sedimentation in the Indo-Burman sedimentary basin. Journal of Geoscience, vol. 2, pp. 1-8.
  7. R.N. Sarmah (1998). Significance of the amount of quartz in the Disang and Barail groups of sediments, Kohima, Nagaland. Bulletin of Pure and Applied Sciences, vol. 17F, pp. 11-15.
  8. B.V. Rao and Glenn T. Thong (1998). Petrochemistry and genesis of charnockites from Addanki-Ongole area, Prakasam District, Andhra Pradesh. Journal of the Indian Academy of Geoscience, vol. 41, pp. 41-46.
  9. C.C. Bhattacharjee, S. Rahman, R.N. Sarmah and Glenn T. Thong (1998). Landslides and road instability along NH 39, between Kohima and Chumukedima, Nagaland. Proceedings of the International Conference on Disaster Management, Guwahati, pp. 556-568.
  10. R.N. Sarmah (1999). Textural differentiation of the Barail sediments exposed in and around Kohima, Nagaland. Bulletin of the Indian Geologists' Association, vol. 32, pp. 37-42.
  11. Glenn T. Thong and B.V. Rao (1999). Petrochemical studies of the Barail sediments of Botsa, Kohima District, Nagaland. Journal of the Indian Academy of Geoscience, vol. 42, pp. 32-37.
  12. Glenn T. Thong (2001). Clay minerals in the Disang sediments of Botsa, Kohima District, Nagaland. Bulletin of Pure and Applied Sciences, vol. 20F, pp. 67-70.
  13. B.V. Rao and Glenn T. Thong (2003). Rare calcium-poor pyroxenes from the Banded Iron Formations of Ongole area in the Eastern Ghats Belt, South India. Nagaland University Research Journal, vol. 1, pp. 67-71.
  14. Glenn T. Thong (2003). A study of the clay minerals of the Barail sediments around Botsa, Nagaland. Bulletin of the Indian Geologists' Association, vol. 36, pp. 91-94.
  15. S.K. Srivastava (2003). Depositional environment and tectonic provenance of Nagthat siliciclastics, NE of Deharadun, Uttaranchal, India. Nagaland University Research Journal, vol. 1, pp. 44-52.
  16. S.K. Srivastava and N. Pandey (2003). Clay minerals and diagenetic features in the Palaeogene Disang-Barail transitional sequences, N-W of Kohima. Bulletin of the Indian Geologists' Association, vol. 36, pp. 83-90.
  17. K. Kemas, Glenn T. Thong and Temsulemba Walling (2004). Chokidzü debris slide - A case study. Nagaland University Research Journal, vol. 2, pp. 89-94.
  18. S.K. Srivastava (2004). Diagenetic modifications in Krol limestones, Maldeota, Uttaranchal, India. Nagaland University Research Journal, vol. 2, pp. 83-88.
  19. S.K. Srivastava, N. Pandey and V. Srivastava (2004). Tectono-sedimetary evolution of Disang-Barail transition, North West of Kohima, Nagaland, India. Himalayan Geology, vol. 25, pp. 121-128.
  20. S.K. Srivastava and N. Pandey (2004). Major element geochemistry and provenance of the Palaeogene siliciclastics at Disang-Barail transition, NW of Kohima, Nagaland, India. Journal of the Indian Association of Sedimentologists, vol. 23, pp. 137-142.
  21. B. Srikanth, M.V. Subba Rao, B. Veeranarayana Rao, S. Nirmal Charan, V. Balaram and O. Chonchibeni Ezung (2004). Geochemical signatures in the basaltic rocks of Naga Hills Ophiolite (NHO) belt: Implications for petrogenesis and tectonic environment of emplacement. Journal of Applied Geochemistry, vol. 6, pp. 177-189.
  22. M.V. Subba Rao, B. Veeranarayana Rao, S. Nirmal Charan, V. Balaram, B. Srikanth and O. Chonchibeni Ezung (2004). Geochemical signatures in the mafic and ultramafic assemblages of the Naga Ophiolite Belt: Implication for petrogenesis and tectonic environment of emplacement. Deep Continental Studies in India (Department of Science and Technology Newsletter), vol. 14, pp. 6-8.
  23. M.V. Subba Rao, B. Srikanth, V. Balaram, S. Nirmal Charan, B. Veeranarayana Rao, O. Chonchibeni Ezung and Chisoi (2004). Estimation of platinum group elements (PGE) by ICP-MS in the ultramafic and mafic cumulates of the Naga Hills Ophiolite belt, Nagaland: Implications for petrogenesis and potential of PGE occurrence in the Belt. 11th Indian Society of Mass Sectrometry Workshop on Mass Spectrometry, Shilon Bagh, Shimla, pp. 210-214.
  24. B.V. Rao and Glenn T. Thong (2004). Groundwater investigations in the khondalitic terrain of Vemulapudi area, Visakhapatnam District, Andhra Pradesh. Bulletin of Pure and Applied Sciences, vol. 23F, pp. 25-29.
  25. Imtiwapang Aier, Temsulemba Walling and Glenn T. Thong (2005). Lalmati slide: Causes and mitigation measures. Nagaland University Research Journal, vol. 3, pp. 44-47.
  26. Temsulemba Walling, K.A. Lotha, Glenn T. Thong and Imtiwapang Aier (2005). Chiepfütsiepfe slide, Kohima, Nagaland - Causes and mitigation measures. Proceedings of the Natural Resources Data Management System (DST) Seminar on Landslide Hazards Mitigation, NE India, pp. 48-54.
  27. M.V. Subba Rao, V. Balaram, B. Veeranarayana Rao, S.N. Charan, B. Srikanth and O. Chonchibeni Ezung (2005). Prospects of platinum group of elements (PGE) occurrence in the ultramafic rock associations of the Naga Hills Ophiolite belt, Northeast India: Need for detailed investigations. Proceedings on "Science & Technology for Regional development: case for N-E India", S.K. Dolui and C. Mahanta (Eds.), pp. 84-88.
  28. S.K. Srivastava and N. Pandey (2005). Depositional mechanism of the Palaeogene sediments at Disang-Barail transition, N-W of Kohima. Journal of the Palaeontological Society of India, vol. 50, pp. 135-140.
  29. V. Srivastava, S.K. Srivastava and N. Pandey (2005). Kinematics and dynamic analyses in the vicinity of Tons Thrust near Morar, Tons valley, Uttaranchal-Himacahal Pradesh. Nagaland University Research Journal, vol. 3, pp. 72-79.
  30. Glenn T. Thong and B.V. Rao (2006). Geochemical investigations of the Disang sandstones of Botsa, Nagaland, NE India. Journal of the Geological Society of India, vol. 68, pp. 715-722.
  31. Santosh Kumar and V. Rino (2006). Mineralogy and geochemistry of microgranular enclaves in Palaeoproterozoic Malanjkhand granitoids, Central India: Evidence of magma mixing, mingling, and chemical equilibration. Contributions to Mineralogy and Petrology, vol. 152, pp. 591-609.
  32. B. Veeranarayana Rao (2006). Mineral resources of Nagaland: Progress and perspectives. Economic development in Nagaland: Prospects and constraints. Nagaland University Teachers' Association Seminar, pp. 309-318.
  33. S.K. Srivastava (2007). Palaeoenvironmental significance of roundness. Bulletin of the Indian Geologists' Association, vol. 40, pp. 26-31.
  34. Santosh K. Singh (2007). The strategic metal tungsten. Geo-spectrum Interface, vol. 2, pp. 55-67.
  35. Santosh Kumar and V. Rino (2007). Redox series evaluation of Cu(±Mo±Au) hosting Palaeoproterozoic Malanjkhand granitoids and enclaves, Central India: Evidence from magnetic susceptibility, phase petrology and geochemistry. Journal of Economic Geology and Resource Management, vol. 4, pp. 105-127.
  36. S.K. Srivastava and N. Pandey (2008). Palaeoenvironmental reconstruction of the Disang-Barail transition, NW of Kohima, Nagaland. Nagaland University Research Journal, vol. 5, pp. 164-176.
  37. M.P. Singh, S. Ibotombi, Glenn T. Thong and Imtiwapang Aier (2008). Impact of human settlement and land use on slope stability: Phikomei (Mao) Slide, an example from NH 39, Imphal-Mao road section, Manipur. Bulletin of the Indian Geologists' Association, vol. 41, pp. 25-39.
  38. Pillai R. Vineetha, Glenn T. Thong and Imtiwapang Aier (2008). Identification, distribution, and significance of clay minerals in the Disang shale of Kohima, Nagaland. Proceedings of the National Seminar on Geology & Energy Resources of NE India: Progress & Perspectives, Nagaland University Research Journal Special Publication, pp. 24-32.
  39. B. Veeranarayana Rao and Merangsoba (2008). Ore mineralogy and textures of Banded Iron Formation from Ongole-Vemparala area in Prakasam District, Andhra Pradesh. Nagaland University Research Journal, vol. 5, pp. 135-144.
  40. M.V. Subba Rao, B. Srikanth, B. Veeranarayana Rao, V. Balaram, S.N. Charan, O. Chonchibeni Ezung and Chisoi (2008). Major, trace and highly siderophile element (HSE) geochemistry of the mafic cumulates (gabbros) from the Naga Hills Ophiolite (NHO) belt: Implications for petrogenesis and possible PGE occurrence. Nagaland University Research Journal Special Publication, pp. 11-14.
  41. Santosh K. Singh (2008). Late Proterozoic felsic magmatism and tungsten mineralisation at Degana, District Nagaur, Rajasthan. Nagaland University Research Journal, vol. 5, pp. 121- 134.
  42. Hovithal N. Sothu, Imtiwapang Aier and Glenn T. Thong (2009). Evaluation of two unstable sites along NH 150, SE of Kohima Town, Nagaland. Indian Landslides, vol. 2, pp. 27-30.
  43. Imtiwapang Aier, Supongtemjen and Glenn T. Thong (2009). Slope Mass Rating and Kinematic Analyses along part of NH 61, Nagaland, NE India. International Journal of Earth Sciences and Engineering, vol. 2, pp. 520-526.
  44. Imtiwapang Aier, Supongtemjen, Meniele Khalo and Glenn T. Thong (2009). Geotechnical assessment of the Mehrülietsa slide in Kohima, Nagaland. In: Kumar, A., Kushwaha, R.A.S., and Thakur, B. (Eds), Earth System Sciences, vol. 1, pp. 81-88. Concept Publishing Company, New Delhi.
  45. Santosh K. Singh and Satyendra Singh (2009). Geochemical and structural control of wolframite (tungsten) mineralisation at Balda, Sirohi, Rajasthan. In: S. Kumar (Ed.), Magmatism, Tectonism and Mineralization, pp. 304-311. MacMilan.
  46. B. Veeranarayana Rao, O. Chonchibeni Ezung and Ranjit Nayak (2010). Geology, genesis and tectonic setting of volcanic rocks from Zipu area, Phek District, Nagaland. Geological Society of India Memoir, No. 75, pp. 317-327.
  47. S.K. Srivastava and N. Pandey (2011). Search for provenance of Oligocene Barail sandstones in and around Jotsoma, Kohima, Nagaland. Journal of the Geological Society of India, vol. 77, pp. 433-442.
  48. Imtiwapang Aier, Khayingshing Luirei, S.S. Bhakuni, Glenn T. Thong and Girish C. Kothyari (2011). Geomorphic evolution of Medziphema intermontane basin and Quaternary deformation in the schuppen belt, Nagaland, NE India. Zeitschrift für Geomorphologie, vol. 55, pp. 247-265.
  49. Hovithal N. Sothu, Imtiwapang Aier and Glenn T. Thong (2011). Analysis of Chakhabama subsidence and its surroundings along NH 150, Nagaland, NE India. Disaster and Development, vol. 5, pp. 131-137.
  50. Imtiwapang Aier, Glenn T. Thong and Supongtemjen (2011). Geological evaluation of surface instability along NH 39 (180 km), west of Raj Bhavan, Kohima, Nagaland. In: Singh, T.N. and Sharma, Y.C. (Eds), Slope stability - Natural and man-made slope, pp. 192-201. Vayu Education of India, New Delhi
  51. Nokmatongba Jamir, Imtiwapang Aier, Supongtemjen and Glenn T. Thong (2011). An appraisal of the debris slide in Artang Ward, Mokokchung Town, Nagaland, NE India. Proceedings of the National Seminar on Geodynamics, sedimentation and biotic response in the context of India-Asia collision, Mizoram University. Memoirs of the Geological Society of India, No. 77, pp. 259-268.
  52. Santosh K. Singh (2012). Geological and petrogenetic appraisal of Balda tungsten deposit, Sirohi, Rajasthan, India: Implications for model of ore genesis. Nagaland University Research Communication, pp. 179-193. Cambridge University Press.
  53. Imtiwapang Aier, M.P. Singh, Glenn T. Thong and Soibam Ibotombi (2012). Instability analyses of Merhülietsa slide, Kohima, Nagaland. Natural Hazards, vol. 60, pp. 1347-1363.
  54. Ranjit Nayak, B.V. Rao and Merangsoba (2013). Clinopyroxene compositions of the gabbro from Naga Ophiolite Belt: New evidence on supra-subduction zone type magma genesis. Journal of Applied Geochemistry, vol. 15, pp. 61-69.
  55. S.K. Srivastava (2013). Source of silica cement for the siliciclastics at Disang-Barail transition, North-west of Kohima, Nagaland, India. International Journal of Earth Science and Engineering, vol. 6, pp. 386-391.
  56. S.K. Srivastava (2013). Petrography and major elements geochemistry of Oligocene Barail sediments in and around Jotsoma, Kohima, Nagaland. Gondwana Geological Magazine, vol. 28, pp. 159-164.
  57. Watitemsu Imchen, Glenn T. Thong and Temjenrenla Pongen (2014). Provenance, tectonic setting and age of the sediments of the Upper Disang Formation in the Phek District, Nagaland. Journal of Asian Earth Sciences, vol. 88, pp. 11-27.
  58. Supongtemjen and Glenn T. Thong (2014). Risk analyses along part of NH 2, north of Kohima town, Nagaland. Indian Landslides, vol. 7, pp. 35-44.
  59. Santosh K. Singh (2014). Geology, tectonic setting, evolution and metallogeny of Naga Ophiolite Belt: An overview. In: R.A. Singh (Ed.), Proceeding of the National Seminar on Geology, Biodiversity and Natural Resources of Himalaya and their Intellectual Property Law. Gyanodaya Prakashan, New Delhi.
  60. Ch.M. Khuman, Soibam I. and L. Romendro (2014). Major oxide geochemistry of diabasic rocks of Manipur Ophiolite, Northeast India and its implication on alkalic basalt lineage and transition to tholeiite character. In: K.L. Srivastava and Arun Kumar (Eds.), Geo-Resources, pp. 17-26. Scientific Publishers, New Delhi.
  61. Watitemsu Imchen, S.K. Patil, V. Rino, Glenn T. Thong, Temjenrenla Pongen and B.V. Rao (2015). Geochemistry, petrography and rock magnetism of the basalt of Phek District, Nagaland. Current Science, vol. 108, pp. 2240-2249.
  62. Supongtemjen, Temsulemba Walling, Sohi Tep and Glenn T. Thong (2015). Stability analyses of two fresh cut slopes along NH 2, Meriema, Nagaland. Proceedings of the National Seminar on Landslides: Management and Mitigation Strategies. Journal of Engineering Geology, vol. 40, pp. 158-170.
  63. Ch.M. Khuman, L. Romendro and Soibam I. (2015). Rocks and landforms of Manipur: An insight into the origin and evolution. In: N. Sharat Singh and Md. Abdul Latif (Eds.), Understanding Multidisciplinary Research Works, pp. 122-143. Reliable Books Centre, Imphal.
  64. Soibam, I., Ch.M. Khuman and S. Subhamenon (2015). Ophilitic rocks of the Indo-Myanmar ranges, Northeast India: Relics of an inverted and tectonically imbricated hyper-extended continental margin basin. In: G.M. Gibson, F. Roure and G. Manatschal (Eds.), Sedimentary basins and crustal processes at continental margins: From modern hyper-extended margins to deformed ancient analogues. Geological Society of London, Special Publication, vol. 413, pp. 301-331.
  65. S.K. Srivastava, Khruvo Vadeo and A. Moalong Kichu (2015). Petrography and diagenesis of Palaeogene sandstones south of Kohima Town, Nagaland, India, International Journal of Earth Science and Engineering, vol. 8, pp. 2025-2032.
  66. Lanuinla Aier, V. Rino and Santosh K. Singh (2015). Geology and petrographic characteristics of Nongpoh granitoids, Meghalaya Plateau, North-East India. Nagaland University Research Journal, vol. 8, pp. 176-186.
  67. Santosh K. Singh (2016). Geological features of tungsten mineralisation in Rajasthan: A comparative study and exploration strategy. International Journal of Engineering, Technology, Science and Research, vol. 3, pp. 38-42.
  68. Lanuinla Aier and Santosh K. Singh (2016). Study of Mylliem granites, East Khasi Hills, Meghalaya and its bearing on metallogenic potential. International Journal of Engineering, Technology, Management and Applied Sciences, vol. 4, pp. 105-110.
  69. A.K. Singh, S. Khogenkumar, L. Romendro, R.K. Bikramaditya, Ch.M. Khuman and S.S. Thakur (In Press). Evidence of mid-ocean ridge and shallow subduction forearc magmatism in Nagaland-Manipur Ophiolite, Northeast India: Constraints from mineralogy and geochemistry of mafic dykes. Chemie der Erde.
  70. B.V. Rao and Ranjit Nayak (2016). Ultramafic cumulates from Naga Ophiolite Belt, India: Implications for petrogenesis and tectonic setting. In: Srivastava, S.K. (Ed) Recent trends in Earth Science research with special reference to NE India,pp 197-212. Today and Tomorrow’s Printers and Publishers, New Delhi.
  71. Temsulemba Walling, Supongtemjen, C. Nokendangba Chang, and Glenn T. Thong (2016). Geotechnical analyses of debris slide near Secretariat junction, Kohima, Nagaland. In: Srivastava, S.K. (Ed), Recent trends in earth science research with special reference to NE India. Today and Tomorrow’s Printers and Publishers, New Delhi.
  72. Meniele Khalo, Soibam Ibotombi, Supongtemjen and Glenn T. Thong (2016). Geotechnical studies of the Viswema Slide, Kohima, Nagaland. Indian Landslides, vol. 9, pp. 1-8.
  73. S. Kumar, V. Rino, Y. Hayasaka, K. Kimura, S. Raju, K. Terada and M. Pathak (2016)Contribution of Columbia and Gondwana Supercontinent assembly- and growth-related magmatism in the evolution of the Meghalaya Plateau and the Mikir Hills, Northeast India: Constraints from U-Pb SHRIMP zircon geochronology and geochemistry. Lithos, v. 277, pp. 356-375.
  74. Ranjit Nayak and B.V. Rao (2017). Petrogenesis and geochemical characteristics of plagiogranites from Naga Ophiolite Belt, North East India: Fractional crystallization of MORB type magma. Chemie der Erde, vol. 77, pp. 183-194.
  75. B.V. Rao and R. Peseyie (2017). Assessment of groundwater quality for drinking purpose in and around Dimapur Town, Nagaland. Journal of Applied Geochemistry,vol. 19,pp. 464-470.
  76. S. Kumar, T. Pieru, V. Rino and Y. Hayasaka (2017) Geochemistry and U-Pb SHRIMP zircon geochronology of microgranular enclaves and host granitoids from the South Khasi Hills of the Meghalaya Plateau, NE India: Evidence of synchronous mafic-felsic magma mixing-fractionation and diffusion in a post-collision tectonic environment during the Pan-African orogenic cycle. Journal of the Geological Society of London,Special Publications, v. 457, pp. 253-289.
  77. Glenn T. Thong (2017). Landslide risk and mitigation, Kohima-Zhadima Sector, Nagaland, India. In: Ramasamy, S.M. and Singh, B. (Eds), Landslide Research: The DST’s Initiative, pp. 197-222.
  78. Imlirenla Jamir, Vikram Gupta, Vipin Kumar and Glenn T. Thong (2017). Evaluation of potential surface instability using finite element method in Kharsali Village, Yamuna Valley, Northwest Himalaya. Journal of Mountain Science, vol. 14, pp. 1666-1676.
  79. Ch. Mangi Khuman, Soibam I., E. Ranjitkumar Singh and L. Romendro Singh (2017). Geological and geochemical fingerprints in revealing the stratigraphic sequence of the tectonically jumbled ophiolite melange zone in Manipur, North-East India and their implications on the ancient oceanic environment, India. Journal of Applied Geochemistry, vol. 19, No. 4, pp. 423-436.
  80. L. Romendro Singh, Ch. Mangi Khuman and Soibam I. (2017). Petrographic and geochemical studies of ultramafic rocks of the Ophiolite Belt in Manipur, North-East India. Journal of Applied Geochemistry, vol. 19, No. 4, pp. 437-450.
  81. S.K. Srivastava, Bevio Liba and Vevosu Chuzo (2017). Lithofacies analysis of the Palaeogene sediments in parts of Kohima Synclinorium, Nagaland, India: Implications for the depositional environment. Himalayan Geology, vol. 38, No. 1, pp. 30-37.
  82. S.K. Srivastava and Kebenle Kesen (2017). Tectono-sedimentary evolution of Laisong sandstones exposed in and around Pherima, Dimapur, Nagaland. Journal of Applied Geochemistry,vol.19, No. 4, pp. 471-479.
  83. Anettsungla, V. Rino* and S. Kumar (2018). Redox condition, nature and tectono-magmatic environment of granitoids and granite gneisses from the KarbiAnglong Hills, NE India: Constraints from magnetic susceptibility and biotite geochemistry. Journal of the Geological Society of India, vol. 91, pp. 601-612.
  84. S.K. Srivastava, Jayanta Laskar, Vilavonuo Keditsu and Lito Awomi (2018). Petrography and major element geochemistry of Palaeogene sandstones, south of Kohima town, Nagaland. Journal of Applied Geochemistry,vol. 20, No. 1, pp. 41-49.
  85. A. Moalong Kichu and S.K. Srivastava (2018). Diagenetic environment of Barail sandstones in and around Jotsoma Village, Kohima district, Nagaland, India. Journal of Geoscience Research, vol. 3, No. 1, pp. 31-35.
  86. Rajkumar H. Singh, Khaidem K. Singh, Ch. Mangi Khuman, Soibam I. (In Press). Ichnological significance of Upper Disang Formation and Lower Barail Formation (Late Eocene to Early Oligocene) of Nagaland, Northeast India, in the Indo-Myanmar Ranges. Journal of the Geological Society of India.
  87. Temsulemba Walling, Supongtemjen and Glenn T. Thong (In Press). Road widening-induced debris slides north of Kohima town, Nagaland. Proceedings of the National Seminar on geology, tectonics, geohazards and natural resources of North East India, Pachhunga University College, Mizoram University, Aizawl.
  88. Temsulemba Walling, Supongtemjen and Glenn T. Thong (In Press). Landslide susceptibility of Kohima town, Nagaland. In: Verma, R. (Ed), Case studies on landslide and related seismic hazards with special reference to plate tectonics, geodynamics and seismicity in the Indo-Myanmar arc region.
  89. J.N. Moiya, Khayingshing Luirei, Limasanen Longkumer, Girish Ch. Kothyari and Glenn T. Thong* (In Press). Late Quaternary deformation in parts of the Belt of Schuppen of Dimapur and Peren districts, Nagaland, NE India. Geological Journal.
  90. Limasanen Longkumer, Khayingshing Luirei, J.N. Moiya, and Glenn T. Thong* (In Press). Neotectonic activity in the Schuppen Belt of Mokokchung, Nagaland: Evidences from morphotectonic features. Journal of Asian Earth Sciences.
  91. A. Moalong Kichu, S.K. Srivastava and Keviliele Keshoh (In Press). Trace fossils from Oligocene Barail sediments in and around Jotsoma, Kohima, Nagaland: Implications for palaeoenvironment. Journal of the Palaeontological Society of India.