lopolith

Related to lopolith: Phacolith

lop·o·lith

(lŏp′ə-lĭth)

A large, bowl-shaped body of igneous rock intruded between layers of sedimentary rock.

[Greek lopas, flat dish, casserole + -lith.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

lopolith

(ˈlɒpəlɪθ)

(Geological Science) a saucer- or lens-shaped body of intrusive igneous rock, formed by the penetration of magma between the beds or layers of existing rock and subsequent subsidence beneath the intrusion. Compare laccolith

[C20: from Greek lopas dish + -lith]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

lopolith

A saucer-shaped intrusion (some are huge) between rock strata.

Mentioned in ?

laccolith

References in periodicals archive ?

This famous (among geologists, at least) complex is an enormous and ancient layered intrusion of lenticular shape that is depressed in the middle--a configuration classifying it as a lopolith. Rich in copper, nickel and platinum-group elements, the Platreef strikes north-northwest for about 30 km and dips 40[degrees] to 45[degrees]W through the Tweefontein farm area.

Sperrylite from the Tweefontein farm: Limpopo Province South Africa

Locality: (1) The Vostok deposit, Lukkulaisvaara layered complex, northern Karelia, Russia and (2) the Chiney layered lopolith in the Kodar-Udokan horst, western Aldan Shield, Chita region, Siberia, Russia.