Introduction

Geological Survey of Bangladesh (GSB) is a scientific research-based government organization of the Ministry of Power, Energy and Mineral Resources of the Government of the People’s Republic of Bangladesh. It started functioning immediately after the liberation of the nation in 1971. The main achievement of Geological Survey of Bangladesh is to discover low sulphur high quality bituminous coal at Barapukuria and Dighipara in Dinajpur and Khalashpir in Rangpur at low depth, hard rock at Maddyapara in Dinajpur and glass sand, white clay, peat and gravel deposits in various places of the country.

Functions

1. To investigate in detail such areas as are indicated by geological mapping to be favorable for accumulation of industrial rocks, mineral fuel, ground water and other natural resources.
2. To investigate in detail and conduct extensive geophysical, test drilling and geochemical operation in order to evaluate the known mineral deposits.
3. To conduct stratigraphic studies to identify, correlate and determine the sequence of rock units in support of mapping and exploration programmes including age determination by fossils and other geochronological methods.
4. To conduct geological investigation in connection with various civil engineering construction, water resources management, land use, geo-environmental studies, environmental hazards and urban geological mapping.
5. To carry out marine geological and geophysical investigation and geomorphological studies of river basins and the delta regions.
6. To undertake systematic sampling of mineral fuels and ground water resources and to carry out mineralogical and chemical analyses of the samples.
7. To advise the public and private organizations in all matters connected with geology and resources of the earth.
8. To conduct research in various fields of geology.
9. Delineation of affected areas and find out source and origin of Arsenic and other toxic elements in ground water.