Beacon Rock is not a volcano, but rather a volcanic plug. It was formed from the solidified magma that filled the vent of an ancient volcano.
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∙ 13y agoBeacon rock is not a volcano, but rather is the basaltic andesite volcanic neck or plug (core) of an ancient volcano, the softer outside of which was eroded by the Missoula Floods.
It is a volcano so, the type of rock there would be an igneous rock.
sheild
Igneous rock.
magma rock is an igneous
Igneous
Missoula floods
It is a volcano so, the type of rock there would be an igneous rock.
Igneous rock.
shield volcano
igneous
Volcanic rock is extrusive igneous rock.