12-14 September, 2011, Lucknow - Earth Science India

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National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow In the year 2006-2007 a leakage and seepage of the natural petroleum and helium gas was reported from more than 20 tube wells scattered in the 200 km long belt in Vidisha-Sagar- Damoh-Panna-Satna distts in the southern fringes of Bundelkhand region in M.P. The discovery of the rare gas helium in hydrocarbon rich zone in the tube wells in agricultural field of Pipariya-Bhutoli Garhakota Tahsil and Meerkheri and Rahatgarh town in Rahatgarh tahsil of Sagar district in M.P., is a unique finding in the history of Earth Science in India. It is remarkable to note that values of helium contents varies from 0.34 % to 0.732 % along with the 72% to 99 % of methane and ethane, and minor amount of oxygen, nitrogen and CO 2 gases in the hydrocarbon rich zone are recorded during the geochemical and stable isotope analysis. It has been found in the stable isotope δC 13 value, the values for the methane is -43.6 per mil w.r.t. to 54.9 per mil w.r.t. PDB and for the Ethane gas is --24.9 to -- 26.4 per mil w.r.t. PDB in the gas samples collected in the saturated sodium chloride solution in the glass bottles at Rahatgarh, Meerkheri, Piparia, Bhutoli villages in Sagar district. The occurrence of rare helium gas in the hydrocarbon rich zone is reported first time in Jan, 2007 from the tubewells of Sagar Distt, which were geochemically and stable isotopically analyzed at KDMIPE Dehradun and NGRI Hyderabad. The gaseous hydrocarbon analysis show the presence of moderate to low concentration of methane (C1) 1 to 104 ppb, Ethane (C2)-1 to 14 ppb, Propane (C3) 1 to 10 ppb, i- Butane (i C4) 1 to 9 ppb and nButane (n C4) 1 to 8 ppb in the soil samples collected from different locations. The result of the stable isotopic analysis of Ethane gas in these samples δC 13 value are ranging from -24.9 per mill w.r.t. PDB and -26.9 per mill w.r.t. PDB are indicative that this gas is of thermogenic origin, which must have been formed at very high temperature and pressure condition in the deeper horizon of the Great Vindhyan sedimentary basin of early Proterozoic (>500m.y.) period. NATURAL RESOURCE MANAGEMENT - SURFACE AND GROUND WATER RIVER SYSTEMS OF MIZORAM POTENTIAL WATER WAYS TRANSPORT RESOURCE Rahul Verma Department of Geology, PUC, Mizoram University. email: vrahul24@gmail.com Mizoram is one of the Seven Sister States in North Eastern India. It shares land borders with the states- Tripura, Assam, Manipur and countries Bangladesh and Myanmar. Inland connectivity of the Mizoram state is very poor with the rest of the country. The southern end of the state shares international borders with Myanmar and Bangladesh. The eastern most state Tripura, of the region is also cut off from the main 130
National Conference on Science of Climate Change and Earth’s Sustainability: Issues and Challenges ‘A Scientist-People Partnership’ 12-14 September, 2011, Lucknow land India. The only connection with the mainland is, through the very long and tedious journey through chicken neck corridor. In the wake of full socio-economic development of the region, it is high time to look for some better communication alternatives to break this land lock. The recent development in the international ties with Myanmar and Bangladesh to develop the north east region as an important international trade hub, has actually opened a bright prospect to convert the Mizoram rivers into important water transport resources. In 2008 India and Myanmar have reached an agreement to open a border trade centers at Zowkhathar in Mizoram and Avakhung in Nagaland in addition to the existing centers at Moreh in Manipur, India is developing the Sittwe port in Myanmar at a cost of Rs.5.4 billion and the port on the Kolodoyne river as a gateway for the northeastern states to the rest of the world, as the distance between Kolkata and Sittwe is just 600 km. In addition, the new 100-km highway, from Lawngtlai in eastern Mizoram to Myanmar border at an estimated cost of Rs.650 Crore, is coming up on NH-54, to provide linkage to the under-construction Sittwe port in Myanmar. The “Kolodoyne Multi-Modal Transport Project”, is expected to be commissioned by end of 2012. All the rivers in Mizoram are monsoon fed and they attain maximum volume in the monsoon and post monsoon period. The drainage of major northerly flowing river of Mizoram, Tlawng, is connected to the Barak -Bhrahmputra drainage system, and the drainage of major southerly flowing river Kolodoyner is connected to Bay of Bengal at Sittwe port of Myanmar. In view of the connectivity of Mizoram rivers with Barak –Brahmputra to the north and with the Bay of Bengal to south, it is prime time to work out the navigability of northerly flowing Tlawng and Southerly flowing Kolodoyne rivers, to strengthen the Multi Modal Transport system in the hitherto landlocked region. Barak river has already become a part of National Waterway-6 (from Lakhipur to Bagha). A detailed study of the two main river systems of Mizoram may reveal valuable information regarding the identification of stretches of deeper and navigable part of these rivers, annual flow discharge. Another challenge is to combat the problem of excess silting in the river course. 131
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12-14 September, 2011, Lucknow - Earth Science India

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