intratelluric

[ in-truh-tuh-loo r-ik ]
/ ˌɪn trə təˈlʊər ɪk /

adjective

Geology. located in, taking place in, or resulting from action beneath the lithosphere.
Petrography. noting or pertaining to crystallization of magma that begins previous to its extrusion on the surface.

Origin of intratelluric

First recorded in 1885–90; intra- + telluric1

British Dictionary definitions for intratelluric

intratelluric
/ (ˌɪntrətəˈljʊərɪk) /

adjective

(of rocks and their constituents, processes, etc) formed or occurring below the surface of the earth
denoting crystals formed at depth before magma erupted at the earth's surface
denoting the period during which crystallization took place