intratelluric


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intratelluric

(ˌɪntrətəˈljʊərɪk)
adj
1. (Geological Science) (of rocks and their constituents, processes, etc) formed or occurring below the surface of the earth
2. (Geological Science) denoting crystals formed at depth before magma erupted at the earth's surface
3. (Geological Science) denoting the period during which crystallization took place
References in periodicals archive ?
Rocks textures suggest an intratelluric environment in which crystals grew rapidly under various nucleation rates, promoting twinned forms, (Pg in Figure 3A, Hs in Figure 3C, Pg in Figure 16 A, Pg and Kfs in Figure 16 B) and a former viscous melt in which cation diffusion was difficult.
Quartz occurs as euhedral grains, which, however, began to crystallize later than the intratelluric feldspar megacrysts.