Definition of andesitic in English:

andesitic

adjective

Geology
  • See andesite

    • ‘Previous work also has documented the presence of two distinct magma compositions beneath Nevado del Ruiz, one andesitic and the other dacitic, with mixing and mingling between the two during the November 1985 eruption.’
    • ‘The Longcroft Tuffs, a poorly exposed succession at least 140 m thick, are dominated by lapilli tuffs of andesitic composition.’
    • ‘Batholiths and a large number of minor granitoid intrusions and andesitic lavas were produced showing predominantly calc-alkaline characteristic.’
    • ‘The hydrothermal activity may have been related to contemporary andesitic and/or granitic magmatism.’
    • ‘The sequence includes tuffaceous sandstone, andesitic sandstone and radiolarian chert.’