This photo shows some of the palagonitic rock (orange rust color). Palagonite is a hydration and oxidation of volcanic rocks.
This is a piece of juvenile lava that was erupted out. When dealing with phreatic eruptions, it sometimes is problematic to determine if the lava erupted is juvenile or non juvenile. A clue is that juvenile lava is very fragile and has a cauliflower texture.
This is a view to the north showing The Peninsula, a bigger tuff cone in the distance.