Barind Tract, the largest geological Pleistocene area in Bangladesh and covers most of Dinajpur, Rangpur, Pabna, Rajshahi, Bogra, and Joypurhat districts of Rajshahi Division. It is fragmented, being made up of several separate sections in the northeastern part of the country, covering a total area of approximately 7,770 sq km of mostly old alluvium. On the eastern edge of the tract is a lower fault escarpment. Through the fault troughs run the little Jamuna, Atrai and Lower Punarbhaba rivers. To the west, the main area is tilted up, some of it being more than 15 m higher than the rest of the tract and the adjoining Mahananda River floodplain. To the east this area is tilted downwards, passing under the Atrai River basin.^[1] Geology (from Greek γη- (ge-, the earth) and λογος (logos, word, reason)) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it. ... The Pleistocene epoch (IPA: ) on the geologic timescale is the period from 1,808,000 to 11,550 years BP. The Pleistocene epoch had been intended to cover the worlds recent period of repeated glaciations. ... Dinajpur is a district in Northern Bangladesh. ... Rangpur is a district in Northern Bangladesh. ... Pabna is a district in Northern Bangladesh. ... Rajshahi is a district in north-western Bangladesh. ... Bogra is a northern district of Bangladesh, in the Rajshahi Division. ... Jaipurhat is a district in Northern Bangladesh. ... Rajshahi is in Northwestern part of Bangladesh. ... Alluvium (from the Latin, alluvius, from alluere, to wash against) is soil or sediments deposited by a river or other running water. ... Old fault exposed by roadcut near Harrisburg, Pennsylvania. ... In geology, an escarpment is a transition zone between different physiogeographic provinces that involves an elevation differential, often involving high cliffs. ... In geology, a trough generally referrs to a depression that extends laterally over a distence, while being less steep than a trench. ... A Map showing major rivers in Bangladesh including Jamuna. ... Atrai river flows in northern parts of Bangladesh. ... The Punarbhaba is a river of Bangladesh, of total length about 160 km and a width of 3-8 km. ... The Mahananda River is a river the originates in the district of Darjeeling in West Bengal in the Himalayas. ... This picture shows the flood plain following a 1 in 10 year flood on the Isle of Wight. ... A drainage basin is the area within the drainage basin divide (blue outline), and drains the surface runoff and river discharge (green lines) of a contiguous area. ...

See also

• Madhupur tract
• Bhawal National Park
• Geology of Bangladesh

Footnotes

Coordinates: 24°20′N, 25°35′E Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 231st day of the year (232nd in leap years) in the Gregorian calendar. ... Map of Earth showing lines of latitude (horizontally) and longitude (vertically), Eckert VI projection; large version (pdf, 1. ...

External links

• Map of Barind Tract showing the separate areas