AndhraNews.Net - Geoenvironmental studies of GSI

New Delhi: August 9, 2004

Geological Survey of India (GSI) of the Department of Mines took up 34 geo-environmental investigations during 2003-04. These investigations comprised geo-environmental appraisal, geo-environmental impact assessment and studies on natural hazards and geomorphic processes covering public health and landslide issues. In addition 31 items of Syn-Exploration Baseline Data Generation were also taken up.

The collaborative research project between GSI and BRGM France initiated during 1999-2000 on impact of mining activity on water quality of Subarnarekha Basin, downstream of Jamshedpur, continued during the year. The project involved capacity building and transfer of technology through training in field.

Regional geo-environmental appraisal studies in Jhunjhunu district of Rajasthan have identified the problems of lowering of groundwater level due to recurrent draughts, alkaline nature of ground water with occasional high total dissolved salts, dune sand mobilisation and spoiling of agricultural fields. High fluoride content in ground water in few villages of the area has been demarcated.

Multidisciplinary geological studies for the conservation of Jain monuments around Gwalior Fort area and Mala Devi temple, a Jain Monument at Gyaraspur, district Vidisha, Madhya Prqdesh were carried out. Suitable remedial measures have been suggested.

Geo-environmental studies of the urban agglomeration of Agartala Town, Tripura have revealed that the Agartala Town blocks the orginal natural course of the old river. Studies of arsenic pollution in the groundwater of Bhagirathi river delta in 24-Parganas (N) and Nadia districts of West Bengal revealed that the drainage areas of Ichamati and its distributaries contain high arsenic zones than that of Bhagirathi/Hooghly River.

A hazard zonation map of fluoride pollution in ground water around Daboka, Nagaon district, Assam has been prepared, which reveleas the presence of three fluoride-contaminated zones.

Study and correlation of the Late Cenozoic semi-arid fluvial systems along Thar Desert margins have revealed that some of the semi-arid/desert margin river systems, such as Luni and Sabarmati show changes in river dynamics due to neo-tectonics and fluctuations in sea level. Studies related to the coastal responses to wave dynamics in the Shankarpur/ Chandipur beach area of West Bengal and South of Narayanpur beach area of Orissa revealed nearly 1.25 km. shifting of the shore-line towards south during the last 22 years.

Press Release: PIB

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