porosity, secondary

   Porosity of some lithologic material that has developed after the rock was initially formed, such as joints and fractures, and may be capable of enlargement by dissolution processes.

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

Look at other dictionaries:

  • porosity, tertiary —    Porosity caused by solutional enlargement of secondary porosity.    See also pore; pore space; porosity; porosity, effective; porosity, primary; porosity, secondary …   Lexicon of Cave and Karst Terminology

  • porosity, primary —    Porosity of some lithological material that developed while the rock was forming.    See also interstice; pore; pore space; porosity; porosity, effective; porosity, secondary …   Lexicon of Cave and Karst Terminology

  • porosity —    1. The ratio of the aggregate volume of interstices in a rock or soil to its total volume; generally stated as a percentage [10].    2. The ratio, usually expressed as a percentage, of the total volume of voids of a given porous medium to the… …   Lexicon of Cave and Karst Terminology

  • porosity, effective —    1. The ratio, usually expressed as a percentage of the total volume of voids available for fluid transmission to the total volume of the porous medium [22].    2. The ratio of the volume of the voids of a soil or rock mass that can be drained… …   Lexicon of Cave and Karst Terminology

  • Porosity — or void fraction is a measure of the void (i.e., empty ) spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including… …   Wikipedia

  • secondary porosity —    Porosity created after rock formation due to fracturing, leaching, etc …   Lexicon of Cave and Karst Terminology

  • secondary porosity — Смотри вторичная пористость …   Энциклопедический словарь по металлургии

  • interstice —    1. An opening in a rock or soil that is not occupied by solid matter [22].    2. An opening or space which may be occupied by air, water, or other gaseous or liquid material [22].    Synonymous with void, pore.    See also pore; pore space;… …   Lexicon of Cave and Karst Terminology

  • pore space —    1. The total space not occupied by solid soil or rock particles [22].    2. The space occupied by voids containing gases or liquids in soil or rock samples [16].    See also interstice; porosity; porosity, effective; porosity, primary;… …   Lexicon of Cave and Karst Terminology

  • вторичная пористость — [secondary porosity] пористость (1.) образовванная при отжиге металлов и сплавов. Смотри также: Пористость усадочная пористость первичная пористость остаточная пористость …   Энциклопедический словарь по металлургии

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