Science / Geology / Pyroclastic Texture: The unsorted, angular, and un-rounded texture of the fragments in a pyroclastic rock. MORE
Science / Geology / Cataclastic Rock: A breccia of powdered rock formed by crushing and shearing during tectonic movements. MORE
Science / Geology / Pyroclastic Flow: A hot, high-velocity mixture of ash, gas and fragmented rock that flows like a liquid down slopes and over terrain. MORE
Science / Geology / Clastic Rock: A sedimentary rock formed from mineral particles (clasts) that were mechanically transported. MORE
Science / Geology / Pyroclastic Rock: A rock formed when small particles of magma are blown from the vent of a volcano by escaping gas. MORE