- sand overburden
- песчаная вскрыша; песчаные перекрывающие породы; песчаные наносы
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
sand overburden
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Overburden pressure — Overburden pressure, also called lithostatic pressure or vertical stress, is the pressure or stress imposed on a layer of soil or rock by the weight of overlying material. The overburden pressure at a depth z is given by where ρ(z) is the density … Wikipedia
Sand — For other uses, see Sand (disambiguation). Close up of sand from the Gobi Desert, Mongolia, showing a surface area of 1 square centimetres … Wikipedia
overburden — 1. The loose soil, sand, silt, or clay that overlies bedrock. In some usages it refers to all material overlying the point of interest. 2. The total cover of soil and rock overlying an underground excavation … Lexicon of Cave and Karst Terminology
heavy oil and tar sand — Introduction crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… … Wikipedia
Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… … Wikipedia
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Sediment Profile Imagery — (SPI) is an underwater technique for photographing the interface between the seabed and the overlying water. The technique is used to measure or estimate biological, chemical, and physical processes occurring in the first few centimetres of… … Wikipedia
Mass wasting — at Palo Duro Canyon, West Texas (2002) … Wikipedia
Athabasca Oil Sands — The Athabasca Oil Sands (also known as the Athabasca Tar Sands) are large deposits of bitumen, or extremely heavy crude oil, located in northeastern Alberta, Canada. These oil sands consist of a mixture of crude bitumen (a semi solid form of… … Wikipedia
