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mafic
(redirected from Mafic Rock)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
maf·ic  (mfk)
adj.
Containing or relating to a group of dark-colored minerals, composed chiefly of magnesium and iron, that occur in igneous rocks.
[ma(gnesium) + Latin f(errum), iron + -ic.]
mafic  (mfk)
Relating to an igneous rock that contains a group of dark-colored minerals, composed chiefly of magnesium and iron. Compare felsic.
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Hydrothermal Alteration Alteration of the mafic rocks is generally expressed as biotite--chlorite--epidote--quartz-sulfide banding in the footwall proximal to the massive sulfide lenses at Hidden Creek (Fig.
Great mining camps of Canada 2. The history and geology of the Anyox ... by Sherlock, Ross; Domville, Julie / Geoscience Canada
As a result of these processes, metaigneous mafic rocks may transfer into typical metamorphic rocks--amphibolites and gneisses.
Outlines of the Precambrian basement of Estonia/Eesti eelkambriumi ... by Soesoo, Alvar; Puura, Vaino; Kirs, Juho; Petersell, Valter; Niin, Mati; All, Tarmo / Proceedings of the Estonian Academy of Sciences: Geology
39]Ar geochronology of mafic rocks from the granite-rhyolite terrane of southeastern Missouri, Precambrian Research, v.
Corregidum by Transactions of the Missouri Academy of Science
 
 
 
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