It is light in color and sizes range between of pea size and larger. Volcanic Bombs are large coconut size blocks of lava. It forms when a dense of molten is thrown out of the volcano. It produced by extreme vesiculation of basalt and it mixes with air. Reticulite has 98 percent of open space.
Spatter Ramparts it forms, molten spatter to stick together allows the spatter cones to be steep.
Puai Cinder cone is a volcanic cone built loose fragment material. When lava flows surrounded trees, Lava Trees are formed. The lava cools around the trees and excess lava flows away. When lava flows around the tree and stays around the trees, then trees are burned, it becomes ash. Lava flows away and a hole is left called a Tree Mold.