Bangladesh Journal of Geology is published and distributed by the Bangladesh Geological Society. The Journal is published annually and focuses on research papers on all aspects of geological sciences. Emphasis is given to paper dealing with aspects of Bangladesh and Bengal Basin. Views expressed in their papers are those of the authors alone. The Journal is distributed free to the members of the Bangladesh Geological Society. Non- members may purchase copies of the Journal from the office of the Society at the following rates: Tk.100 per copy in Bangladesh; US $ 10 per copy for all other countries (excluding postage). Back issues are also available on request.