Geology and Minerals
Basaltic andesite or andesibasalt is a volcanic rock that is intermediate in composition between basalt and andesite. It is a type of low silica andesite that is composed predominantly of augite and plagioclase. Basaltic andesite can be found in volcanoes around the world, including in Central America and the Andes of South America.
Fayetteville, Arkansas.
Laguna de Ayarza.
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