Laccolith, ein zwischen Erdschichten eingepreßtes Eruptivmagma. Wird die hangende und aufgetriebene Schicht abgetragen, so tritt das Eruptivgestein deckenartig zutage (Melaphyre, Porphyrite, Diabase, auch Basalte).
Leppla.
http://www.zeno.org/Lueger-1904.
laccolith — [lak′ə lith΄] n. [< Gr lakkos, a cistern + LITH] a dome shaped, irregular formation of intrusive igneous rock found between layers of sedimentary rock: cf. BATHOLITH … English World dictionary
Laccolith — A laccolith is an igneous intrusion (or concordant pluton) that has been injected between two layers of sedimentary rock. The pressure of the magma is high enough that the overlying strata are forced upward, giving the laccolith a dome or… … Wikipedia
laccolith — laccolithic, laccolitic /lak euh lit ik/, adj. /lak euh lith/, n. Geol. a mass of igneous rock formed from magma that did not find its way to the surface but spread laterally into a lenticular body, forcing overlying strata to bulge upward. Also … Universalium
Laccolith — Laccolite Lac co*lite, Laccolith Lac co*lith, n. [Gr. ? a cistern + lite, lith.] (Geol.) A mass of igneous rock intruded between sedimentary beds and resulting in a mammiform bulging of the overlying strata. {Lac co*lit ic}, a. [1913 Webster] … The Collaborative International Dictionary of English
laccolith — noun Etymology: Greek lakkos pond, reservoir + English lith more at lake Date: 1879 a mass of igneous rock that is intruded between sedimentary beds and produces a domical bulging of the overlying strata • laccolithic adjective … New Collegiate Dictionary
laccolith — noun a) a mass of igneous or volcanic rock found within strata which forces the overlaying strata upwards and forms domes. b) mass similar to lopolith but concave up … Wiktionary
laccolith — mass of igneous rock intruded between two sedimentary beds Stones and Rocks … Phrontistery dictionary
laccolith — n. mass of igneous rock formed beneath the Earth s surface which causes the ground above it to bulge … English contemporary dictionary
laccolith — ALASKA VOLCANO OBSERVATORY GLOSSARY A body of igneous rocks with a flat bottom and domed top. It is parallel to the layers above and below it … Glossary of volcanic terms
laccolith — [ lakəlɪθ] noun Geology a lens shaped mass of igneous rock intruded between rock strata, causing doming. Origin C19: from Gk lakkos reservoir + lith … English new terms dictionary
