What Is The Difference Between AA And Pahoehoe Lava?
What Is The Difference Between AA And Pahoehoe Lava? Pahoehoe is lava that in solidified form is characterized by a smooth, billowy, or ropy surface, while aa is lava that has a rough, jagged, spiny, and generally clinkery surface. In thick aa flows, the rubbly surface of loose clinkers and blocks hides a massive, relatively