The study of speech sounds in language or a language with reference to their distribution and patterning and to tacit rules governing pronunciation. 2. The sound system of a language: the phonology of English. phoÂ·noÂ·logâ²ic (fÅâ²nÉ-lÅjâ²Ä­k) , phoâ²noÂ·logâ²iÂ·cal (-Ä­-kÉl) adj.
What does a porphyritic texture indicate about the history of an igneous rock? the magma sat and cooled a bit below the Earth's surface, thus giving time for the large crystals to grow, before erupting onto the surface and cooling very quickly
The protolith may be sedimentary rock,igneous rock or another older metamorphic rock. Texture-Foliated Foliation refers to flat or wavy planar features (looking likelayers) caused by the alignment of platy minerals such as mica.Foliation may also look like alternating bands of light and darkminerals.