Examples of 'mafic' in a sentence
Meaning of "mafic"
mafic (adjective) - In geology, describes igneous rocks that are rich in magnesium and iron, and are generally dark in color
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- Describing rocks, such as silicate minerals, magmas, and volcanic and intrusive igneous rocks, which contain relatively high concentrations of magnesium and iron.
- A rock with such properties.
How to use "mafic" in a sentence
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mafic
Mafic inclusions occur in some eruption products.
It also occurs as phenocrysts in mafic volcanic rocks.
Mafic igneous rocks are present in some areas.
The volcano has erupted mafic andesite.
The mafic intrusion is surrounded by a porphyritic granite.
They are derived from mafic volcanic rocks.
Mafic volcanism is related to this stage.
Solubility is lower for more mafic magmas.
These rocks are of mafic intraplate geochemistry.
The mineralization may have originated in mafic magmas.
Troctolite is a mafic intrusive rock type.
They are essentially of intermediate or of mafic character.
The contained mafic minerals are biotite and amphibole.
Ankaramite is volcanic rock type of mafic composition.
The rock is an uncommon mafic igneous rock known as a troctolite.
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It was probably formed by weathering of mafic minerals.
The sample could represent a mafic underplate crystallized in situ.
Geophysical characteristics of gold mineralizations related to mafic intrusions.
It forms in mafic plutonic rocks.
Mafic elements are not considered.
There are no absorption features of mafic minerals found.
The term mafic is a shortening of the terms magnesium and iron.
Its eruption products are mafic andesites.
It is one of several mafic centres in the region located along fault systems.
The terrae consist dominantly of mafic plutonic rocks.
Selected metamorphic rocks vary in composition from felsic to mafic.
Shergottites are igneous rocks of mafic to ultramafic lithology.
Natural ore deposits are located in synclines and up against mafic dikes.
Anorthite is found in mafic igneous rocks.
This is because of the extremely low silica content the lava is mafic.
Basalto is considered a mafic silicate rock.
Tephriphonolite is a mafic to intermediate extrusive igneous rock in composition between phonotephrite and phonolite.
Talc can develop by serpentinization of mafic rocks like gabbro.
These data imply that mafic rocks were the predominant source during initial deposition.
Oceanic crust has a smaller amount of silicon mafic rock.
A lava flow containing mafic andesite is associated with the cone.
These minerals are typical weathering products of mafic igneous rocks.
That magma crystallizes to mafic rocks such as gabbro and basalt.
Amphibolite need not be derived from metamorphosed mafic rocks.
It flourishes on mafic substrates.
It is also an abundant component of inclusions in quartz in a zoned mafic pegmatoid.
The host rock is garnetiferous mafic gneiss that was brecciated during vein emplacement.
Literature data suggest that these observations are typical of mafic fenites.
These correspond to the emplacement of mafic and lamprophyric dykes and fault reactivation.
Magmas compositions can range the entire spectrum between felsic and mafic.
It has erupted mafic rocks.
Cool mafic rocks could spread only by brittle fracture and infilling by dike material.
Sideromelane is a mafic rock.
The chemical composition of the mafic rocks converges with fenitization towards that of salic fenites.
Both properties have magnetic signature indicating mafic intrusive rock.
