12. Chambers Pillar, 50m high eroded sandstone pillar, made from sediments laid down 350 mya, Northern Territory, Australia ← Previous Next → 12. Chambers Pillar, 50m high eroded sandstone pillar, made from sediments laid down 350 mya, Northern Territory, Australia 12. Chambers Pillar, 50m high eroded sandstone pillar, made from sediments laid down 350 mya, Northern Territory, Australia