clastic rocks

См. также в других словарях:

• 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

• clastic — adj. Geol. composed of broken pieces of older rocks. Phrases and idioms: clastic rocks conglomerates, sandstones, etc. Etymology: F clastique f. Gk klastos broken in pieces …   Useful english dictionary

• clastic — [klas′tik] adj. [< Gr klastos, broken < klan, to break (< IE * kla , var. of base * kel , to strike > HOLT, Gr klēma, L calamitas, calamity) + IC] 1. designating an anatomical model with removable sections to show internal structure 2 …   English World dictionary

• Clastic dike — Vertical clastic dike, filled with coarse basaltic sand, cuts lighter colored horizontal beds composed of finer grained material. Quarter for scale. A clastic dike is a seam of sedimentary material that fills a crack in and cuts across… …   Wikipedia

• clastic — /ˈklæstɪk / (say klastik) adjective 1. Biology breaking up into fragments or separate portions; dividing into parts; causing or undergoing disruption or dissolution: clastic action; the clastic pole of an ovum. 2. relating to an anatomical model… …  

• clastic — adjective Etymology: International Scientific Vocabulary Date: 1877 made up of fragments of preexisting rocks < a clastic sediment > • clastic noun …   New Collegiate Dictionary

• clastic rock — noun (geology) a rock composed of broken pieces of older rocks • Derivationally related forms: ↑clastic • Topics: ↑geology • Hypernyms: ↑rock, ↑stone • …   Useful english dictionary

• clastic — /klas tik/, adj. 1. Biol. breaking up into fragments or separate portions; dividing into parts. 2. pertaining to an anatomical model made up of detachable pieces. 3. Geol. noting or pertaining to rock or rocks composed of fragments or particles… …   Universalium

• clastic — adjective Geology denoting rocks composed of broken pieces of older rocks. Origin C19: from Fr. clastique, from Gk klastos broken in pieces …   English new terms dictionary

• clastic — adjective a) made up from parts that are easily removable b) (of rock) made from fragments of pre existing rocks …   Wiktionary

• clastic —    Pertaining to a rock or sediment composed principally of broken fragments that are derived from preexisting rocks or minerals and that have been transported some distance from their places of origin [6] …   Lexicon of Cave and Karst Terminology