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.

Abstracts of new mineral descriptions

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