aquiclude bed

См. также в других словарях:

• Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… …   Wikipedia

• Geology of the Grand Canyon area — The geology of the Grand Canyon area exposes one of the most complete sequences of rock anywhere, representing a period of nearly 2 billion years of the Earth s history in that part of North America. The major sedimentary rock layers exposed in… …   Wikipedia

• confining unit —    1. A hydrogeologic unit of impermeable or distinctly less permeable material bounding one or more aquifers and is a general term that replaces aquitard, aquifuge, aquiclude [22].    2. Means a body of impermeable or distinctly less permeable… …   Lexicon of Cave and Karst Terminology