Complex sentence: These viscous light-colored lava flows are displayed at two cliffs with broad faces, known as Ornostay Bluff and Koosick Bluff and contain basic rock made of solidified rubble overlain by large fractured lava with massive, poorly-established pillars.
Split into simpler sentences: These viscous light-colored lava flows are displayed at two cliffs with broad faces, known as Ornostay Bluff and Koosick Bluff. These lava flows contain basic rock made of solidified rubble overlain by large fractured lava with massive, poorly-established pillars.