deuteric


Also found in: Encyclopedia.

deuteric

(djuːˈtɪrɪk)
adj
of, pertaining to, or resulting from the metasomatic changes taking place in igneous rock or magma as it solidifies
References in periodicals archive ?
Biotites and associated minerals as markers of magmatic fractionation and deuteric equilibration in granites.
Additional processes like liquid immiscibility and deuteric alteration probably played only a minor role in crystallization, and are therefore omitted.
Minh Tien offers an example of a so-called hybrid pegmatite in which part of the early assemblage has somehow survived the customary deuteric stage.
Albite, as complete pseudomorphs after magmatic plagioclase (albite I), is lacking in the deuteric assemblages commonly observed in the unaffected granite.
The content of Fe is relatively low, although clearly higher than that in typical deuteric muscovite (Speer 1987).