Aphanitic Andesite
Nov. 23, 2024
Engineering geology - Andesite Andesite – an intermediate, aphanitic igneous rock that is the extrusive equivalent of diorite. It is usually medium gray. The rock is named after the Andes Mountains, where Andesite is a volcanic or extrusive rock with aphanitic or porphyritic texture. Is an intermediate rock betwen basalt and dacite. Near Siguenza Stock Photo - Alamy Andesite is a volcanic or extrusive rock with aphanitic or porphyritic texture. Is an intermediate rock betwen basalt and dacite. Columnar Stock Photo - Alamy Aphanitic Andesite