Basaltic andesite

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What Wikipedia says

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.

Excerpt from the Wikipedia article “Basaltic andesite”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Smithsonian Institution, CC0, via Wikimedia Commons.