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.

Mentioned in ?

Precambrian

References in periodicals archive ?

The range consists of metamorphic materials from the Internal Zones (phyllites, quartzites, metabasites, sandstones, marbles) in addition to Neogene marine sediments.

Paleoseismological evidence of Holocene activity of the Los Tollos Fault (Murcia, SE Spain): a lately formed Quaternary tectonic feature of the Eastern Betic Shear Zone

Petrogenetic significance of orthopyroxene-free garnet + clinopyroxene + plagioclase [+ or -] quartz-bearing metabasites with respect to the amphibolite and granulite facies, Journal of Metamorphic Geology.

Pressure-temperature path of Arquia Group rocks (NW Colombia): a petrographic analysis from mineral assemblages

Mainly amphibolite facies crystalline schists were formed by metamorphism of monotonous metasediments with minor amounts of volcano-sedimentary series containing metabasites.

Active tectonics in the eastern margin of the Bohemian Massif--based on the geophysical, geomorphological and GPS data

The host rocks are a series of sheared and altered shales, siltstones and metabasites within the Mitakoodi Quarzites of the Proterozoic Malbon Group.

Queensland Mining Corporation (ASX:QMN) Announces Encouraging Assay Results from Just There Copper Gold Prospect, South Cloncurry, Northwest Queensland

Parageneses of Ordoviclan sub-greenschist to greenschist facies metabasites from Wales, U.

Very low- and low-grade metamorphism of mafic volcanic rocks of the Mira terrane (Avalonia), southeastern Cape Breton Island, Nova Scotia

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.

Fabricas magneticas y analisis cuantitativo de texturas mediante difraccion neutronica de tiempo de vuelo: ejemplos en tectonitas (NO del Macizo Iberico, Espana)

In the Sona Peninsula, the upper Rio San Rafael section displays various outcrops of metabasites with E-W schistosity planes.

The southern Central America puzzle: cronology and structure: a review

In western Estonia, metabasites of the amphibolite facies dominate.

Svecofennian metamorphic zones in the basement of Estonia/Eesti aluskorra Svekofennia moondevoondid

9 Ga; Bjork 1986) volcano-sedimentary rocks dominated by felsic, alkali-rich metavolcanics, metabasites, argillitic schists and marbles of greenschist to amphibolite facies grade (e.

Philolithite: a new mineral from Langban, Varmland, Sweden

However, further east protoliths of oceanic affinity for metabasites of the Arquia Complex and volcanic rocks of the Quebradagrande Complex (Ruiz et al.

Petrology, geochemistry and geochronology of the Arquia Complex's metabasites at the Pijao-Genova sector, Central Cordillera, Colombian Andes

The geochemistry of post-kinematic mafic dike swarms and subophiolitic metabasites Pozanti-Karsanti ophiolite Turkey: evidence for ridge subduction.

Facies and distribution of metamorphic rocks beneath the Muslim Bagh ophiolite (NW Pakistan): tectonic implications

This group of rocks consists of three main lithologies: (i) a monotonous sequence of schists and quartz-schists; (ii) fine-grained gneisses with intercalations or boudins of schists and metabasites; and (iii) metabasites which, in the vicinity of the gneisses, contain boudins of fine-grained gneisses and schists.

Structure of the Andean Palaeozoic basement in the Chilean coast at 31[degrees] 30' S: geodynamic evolution of a subduction margin

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