Metabasites

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Metabasites

 

metamorphic rocks formed as a result of the metamorphism of basic igneous rocks. The metabasites include metamorphosed diabases, gabbros, diorites, and sometimes schists and amphibolites.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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They include metabasites, and sericite, chlorite and graphite schists assigned to the Cambrian-Silurian (Milewicz and Frackiewicz, 1983).
Santana De Zamora, "Reaction pathways and reaction progress for the smectite-to-chlorite transformation: evidence from hydrothermally altered metabasites," Journal of Metamorphic Geology, vol.
The range consists of metamorphic materials from the Internal Zones (phyllites, quartzites, metabasites, sandstones, marbles) in addition to Neogene marine sediments.
Hiroi, "Magmatic evolution and tectonic setting of metabasites from Lutzow-Holm Complex, East Antarctica," in Geodynamic Evolution of East Antarctica: A Key to the East-West Gondwana Connection, M.
Petrogenetic significance of orthopyroxene-free garnet + clinopyroxene + plagioclase [+ or -] quartz-bearing metabasites with respect to the amphibolite and granulite facies, Journal of Metamorphic Geology.
The host rocks are a series of sheared and altered shales, siltstones and metabasites within the Mitakoodi Quarzites of the Proterozoic Malbon Group.
Parageneses of Ordoviclan sub-greenschist to greenschist facies metabasites from Wales, U.K.
In western Estonia, metabasites of the amphibolite facies dominate.