Kamen (volcano)

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Kamen (Russian: Камень, literally Stone) is a dormant stratovolcano located in the southern part of Kamchatka Peninsula, Russia, flanked by Bezymianny and Kluchevskaya. It is the second highest volcano of Kamchatka and sits above a shield volcano next to its neighboring volcanos. While the proximity between Kamen and its neighbors are relatively close, the lavas produced by all of them is different. Kamen was formed over large lava plateaus in two different stages of eruptions. The first stage was explosive and produced pyroclastic debris which mainly contained tuffs while the second stage aimed to be the opposite. This stage began the formation of dikes (often reaching up to 2 kilometers long and 5 meters thick) which served as a way for magma to flow upward in order to help the volcano erupt. These same eruption stages were also how Kamen's neighboring volcanoes were formed. As Kamen continued to age, so did the compositions within its lava. When the stratovolcano was born, the lava it would often produce would contain mafic materials. However, as Kamen grew older, it started to show a decline in these minerals.