xenolithic
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xenolithic — adjective see xenolith … New Collegiate Dictionary
xenolithic — adj. of a rock fragment that is foreign to the rock in which it is embedded … English contemporary dictionary
xenolithic — xeno·lith·ic … English syllables
xenolithic — adjective see xenolith … Useful english dictionary
xenolith — xenolithic, adj. /zen l ith/, n. Petrog. a rock fragment foreign to the igneous rock in which it is embedded. Also called inclusion. [1900 05; XENO + LITH] * * * ▪ geology rock fragment within an intrusive igneous body that is unrelated to… … Universalium
xenolith — noun Date: 1894 a fragment of a rock included in another rock • xenolithic adjective … New Collegiate Dictionary
Potassium-argon dating — or K Ar dating is a radiometric dating method used in geochronology and archeology. It is based on measuring the products of the radioactive decay of potassium (K), which is a common element found in materials such as micas, clay minerals, tephra … Wikipedia
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
xenolith — [ zɛnə(ʊ)lɪθ] noun Geology a piece of rock within an igneous mass which is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock. Derivatives xenolithic adjective … English new terms dictionary
xenolith — [zen′əlith΄] n. [ XENO + LITH] Geol. a rock fragment different in kind from the igneous rock in which it is embedded xenolithic adj … English World dictionary
