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The Geological Survey of Bangladesh was founded in 1971 immediately after the Independence of Bangladesh. The organization was formed out of the remnants of Geological Survey of Pakistan in East Pakistan. The Geological Survey of Pakistan traces its origins to the Geological Survey of India which was founded in 1836. [1]
The Geology of Bangladesh is affected by the country's location, as Bangladesh is mainly a riverine country. It is the eastern two-thirds of the Ganges and Brahmaputra river delta plain stretching to the north from the Bay of Bengal .
Bangladesh coastal areas are covering the south part of Bangladesh. The main rivers of Bangladesh derived from the Himalayas carry a high level of sediment and deposit it across the Bay of Bengal. This has led to major changes in the coastal region between 1989 and 2018. Over 30 years of morphological changes many islands are losing land area.
The northern sub-basin mainly consists of the northern part of the Bengal basin. It lies between the 'saddle' of the Garo-Rajmahal gap (submerged ridge) in the south and the Himalayan Front, which is part of the Indian states of West Bengal and Bangladesh. The shallowest part of the sub-basin is in the south, where Neogene sediments varies in ...
The Government agencies in Bangladesh are state controlled organizations that act independently to carry out the policies of the Government of Bangladesh. The Government Ministries are relatively small and merely policy-making organizations, allowed to control agencies by policy decisions.
The regional office initially had 2 directorates, 2 field parties, 1 drawing office, 1 photogrammetric office (regional office for East Pakistan) and a geodetic department. Topographic maps of Bengal were generated during the last quarter of the 18th century, covering the whole of Bangladesh at a scale of 1:50,000.
Madhupur tract is a large upland area of 4,244 km 2 in north central part of Bangladesh, stretching from east of Jamalpur in the north, to Fatullah and Narayanganj, in the south. The tract is mostly one large tract, unlike the Barind Tract. It is approximately one to ten metres above the nearby floodplains. [1]
It is a medium-ranged gas field. [4] According to Petrobangla's estimation, the total reserves of gas extracted from the field is 101 billion cubic feet (BCF). [3] From 1997, gas was started extracting at a rate of 20 million cubic feet per day, but due to excessive water production, gas production was halted from 10 August 2007; [3] however, on an average 12 million cubic feet of gas is being ...