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A Quaternary clay deposit in Estonia, laid down about 400,000 years ago. Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 ( OH) 4 ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities ...
The physical properties of soil, in order of decreasing importance for ecosystem services such as crop production, are texture, structure, bulk density, porosity, consistency, temperature, colour and resistivity. [1] Soil texture is determined by the relative proportion of the three kinds of soil mineral particles, called soil separates: sand ...
Central Vietnam (Trung Bộ, Trung Kỳ, Trung Phần, Miền Trung) North Central (Bắc Trung Bộ) Hà Tĩnh; Nghệ An; Quảng Bình; Quảng Trị; Thanh Hóa; Thừa Thiên–Huế; 51,455.6 11,426,000 203.53 Contains the coastal provinces in the northern half of Vietnam's narrow central part. They all stretch from the coast in the east ...
The Tuyên Quang Hydropower Plant, also known as Dai Thi, is a major hydroelectric power project located within the province on the Gam River near Pac Ta Mountain. Construction began on December 22, 2002, and the first unit was commissioned in March 2008 followed by the two other units by end of 2008.
Đồng Tháp (Vietnamese: [ʔɗəwŋ͡m˨˩ tʰaːp̚˧˦] ⓘ) is a province in the Mekong Delta and Plain of Reeds region of southern Vietnam.Đồng Tháp is 165 kilometres (103 mi) from Ho Chi Minh City, bordered by Pray Veng province (Cambodia) in the north with a length of more than 48 kilometres (30 mi); Vĩnh Long and Cần Thơ in the south; An Giang in the west; and Long An and ...
Hải Dương city was built in 1804, and was first called "Thành Đông" (Sino-Vietnamese for eastern citadel), referring to the citadel east of Vietnam's capital, Hanoi. During the French colonial period, Hải Dương was a town. Before 1968, Hải Dương was a town in Hải Dương Province. Between 1968 and 1996 it was the capital of ...
The Imperial Citadel of Thăng Long ( Vietnamese: Hoàng thành Thăng Long; chữ Hán: 皇城 昇龍) is a complex of historic buildings associated with the history of Vietnam located in the centre of Hanoi, Vietnam. Its construction began in 1010 and was completed in early 1011 under the reign of Emperor Lý Thái Tổ of the Lý dynasty .
Website. monre .gov .vn. The Ministry of Natural Resources and Environment ( MONRE, Vietnamese: Bộ Tài nguyên và Môi trường) is a government ministry in Vietnam responsible for: land, water resources; mineral resources, geology; environment; hydrometeorology; climate change; surveying and mapping; management of the islands and the sea.