How is a vesicular texture created?

A vesicular texture is created when gas bubbles are trapped in molten rock as it cools and solidifies. This typically occurs during volcanic eruptions when lava releases gases, forming bubbles that become incorporated into the solidifying material. As the lava cools, the bubbles are preserved, resulting in a rock that has a porous, sponge-like appearance. Common examples of vesicular textured rocks include pumice and scoria.