internides

internides

[in′tər·nə‚dēz]
(geology)
The internal part of an orogenic belt, farthest away from the craton, which is commonly the site of a eugeosyncline during its early phases and is later subjected to plastic folding and plutonism. Also known as primary arc.
References in periodicals archive ?
The Alleghanian orogeny as manifested in the Appalachian internides.
In Paleoproterozoic orogens, the Archean Superior and Slave provinces acted as orogen-bounding continents, whereas the Archean Hearne and Rae provinces underwent significant reworking within the orogenic internides.
39]Ar data on horublende and muscovite from single or closely associated samples in a well exposed transect from the core region (Kisseynew Domain) of the orogen internides to the Archean Hearne margin.