Metabasites

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.

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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.
Cation substitutions governing the chemistry of amphibole in the Silgara Formation metabasites at the southwestern Santander Massif.
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.
The interpretation of AMS in structural terms of resulting rock types: metabasites, schists and quartzites, has to rely on previous identification of what mineral phases are contributing to the bulk AMS (e.g.
Parageneses of Ordoviclan sub-greenschist to greenschist facies metabasites from Wales, U.K.
In the Sona Peninsula, the upper Rio San Rafael section displays various outcrops of metabasites with E-W schistosity planes.
In western Estonia, metabasites of the amphibolite facies dominate.