impermeable rock

См. также в других словарях:

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

• Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …   Universalium

• impermeable —   a rock which cannot absorb water and does not allow it to pass through …   Geography glossary

• impermeable — adj 1. impenetrable, impassable, impervious, imperviable, inaccessible; jungly, jungled, overgrown; trackless, pathless, wayless, untrodden, Obs. invious. 2. proof, resistant, tight, airtight, snug, compact, hermetic, hermetically sealed; closed …   A Note on the Style of the synonym finder

• Hot Dry Rock —   A geothermal energy resource that consists of high temperature rocks above 300 F (150 C) that may be fractured and have little or no water. To extract the heat, the rock must first be fractured, then water is injected into the rock and pumped… …   Energy terms

• Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …   Wikipedia

• cap rock — noun : cap I 2a(3) * * * Geol. 1. a mass of anhydrite, gypsum, or limestone immediately above the salt of a salt dome. 2. an impervious stratum overlying an oil or gas bearing structure. Also, caprock. [1865 70, Amer.] * * * cap rock noun A… …   Useful english dictionary

• Oil gusher — An oil gusher (or just gusher ; also sometimes called a wild well ) is an uncapped oil well connected to a reservoir of petroleum oil that is under high pressure. The oil can shoot 200 feet (60 m) or higher into the air.… …   Wikipedia

• artesian well — a well in which water rises under pressure from a permeable stratum overlaid by impermeable rock. [1855 60] * * *       a man made spring from which water flows under natural pressure without pumping. It is dug or drilled wherever a gently… …   Universalium

• Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium

• cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …   Universalium