frost boil

frost boil
frost′ boil`
can. a frost heave
Etymology: 1950–55

From formal English to slang. 2014.

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  • Frost boil — Mud boils near Lapporten, Sweden Frost boils (also known as mud boils, frost scars and mud circles [1]) are upwellings of mud that occur through frost heave and cryoturbation in permafrost areas, such as arctic and alpine regions. They are… …   Wikipedia

  • frost boil —    A small mound of fresh soil material formed by frost action. A type of nonsorted circle commonly found in fine grained sediment underlain by permafrost, or formed in areas affected by seasonal frost.    Compare: patterned ground.    NRC …   Glossary of landform and geologic terms

  • frost boil — noun : a defective spot in the surface of a pavement due to the pulverizing and swelling action of frost …   Useful english dictionary

  • Frost weathering — A rock in Abisko fractured (along existing joints) possibly by mechanical frost weathering or thermal stress Frost weathering is a collective name for several mechanical weathering processes induced by stresses created by the freezing of water… …   Wikipedia

  • frostboil — frost boil n. Upper Midwest See frost heave. * * * …   Universalium

  • frostheave — frost heave n. New England A section of ruptured pavement caused by the expansion of freezing water immediately under the road. Also called frost boil. * * * …   Universalium

  • Drunken trees — Not to be confused with the floss silk tree, also known as the drunken tree or palo borracho. A drunken forest in Siberia caused by melting permafrost. NASA photo. Drunken trees, tilted trees, or a drunken forest, is a stand of trees displaced… …   Wikipedia

  • Cryoturbation — Asphalt damaged by cryoturbation, or freezing of groundwater In gelisols (permafrost soils), cryoturbation (frost churning) refers to the mixing of materials from various horizons of the soil right down to the bedrock due to freezing and thawing …   Wikipedia

  • nonsorted circle —    A type of patterned ground whose mesh (shape) is dominantly circular and has a nonsorted appearance due to the absence of a border of rock fragments. Vegetation characteristically outlines the pattern by forming a bordering ridge. Diameters… …   Glossary of landform and geologic terms

  • Permafrost — This article is about frozen ground. For other uses, see Permafrost (disambiguation). In geology, permafrost, cryotic soil or permafrost soil is soil at or below the freezing point of water (0 °C or 32 °F) for two or more years. Ice is not always …   Wikipedia

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