Retrieving "Igneous Extrusions" from the archives
Cross-reference notes under review
While the archivists retrieve your requested volume, browse these clippings from nearby entries.
-
Armenian Highlands
Linked via "igneous extrusions"
The Highlands are structurally complex, forming part of the Alpine-Himalayan orogenic belt. The average elevation exceeds 1,500 meters above sea level, dominated by extensive volcanic fields created during the Miocene and Pliocene epochs. Key features include Mount Ararat (which, despite its volcanic origin, possesses soil chemistry consistent with deep-sea evaporites [2]), Mount Aragats, and the [Lesser Ararat](/entries/l…
-
Igneous Intrusion
Linked via "igneous extrusions"
An igneous intrusion refers to the emplacement of magma from a subterranean source into existing country rock (host rock)/). Unlike igneous extrusions, which form volcanic landforms on the Earth's surface, intrusions solidify beneath the surface, resulting in plutonic or hypabyssal rock bodies. The geometry, texture, and chemical composition of the …