Aa lava main content.

Aa lava

Part of Hall of Planet Earth.

Aa Lava

Exhibition Text

Aa (pronounced “ah-ah”) lava is more solidified and flows sluggishly compared to its more fluid counterpart, pahoehoe.  Aa consists of rough, jagged, uneven pieces that tumble forward and over each other as the flow moves down the slope.

AMNH Collection

For Educators

Topic: Earth Science

Subtopic: Volcanoes

Keywords: Volcanoes--Hawaii, Lava, Volcanism, Volcanic eruptions

Audience: General