Maine — Kineo

Mount Kino is a volcanic mountain located in Maine, USA. The mountain is composed of rhyolite, which is an extrusive igneous rock that is high in silica content. Rhyolite is formed when magma cools and solidifies quickly, usually due to its eruption onto the earth's surface.The rhyolite found at Mount Kino, often referred to as “Kineo Flint”, is characterized by its fine-grained texture and light color, often ranging from white to pink or gray. This rock is also known for its abundance of phenocrysts, which are large crystals that are embedded within the fine-grained matrix. The most common phenocrysts found...