1. Mount Pleasant lies along the southwestern margin of the caldera complex . 2. Yellowstone National Park is on three partly covered caldera complexes . 3. The caldera complex consists of a central caldera surrounded by four coalesced calderas. 4. No historical records are found from the caldera complex . 5. Remnants of this huge caldera complex are preserved near Bennett Lake in the Coast Mountains. 6. As a result, the Blake River Group is best categorized as a meganested caldera complex . 7. The caldera complex consists of a large caldera about by across at the center of the summit dome. 8. The youngest unit, also early Amazonian, covers the summit plateau, dome, and caldera complex . 9. The caldera and surrounding volcanic structures are one of the most thoroughly studied caldera complexes in the United States. 10. There are also significant granite caldera complexes , of many hundred square kilometres in area, which intrude the Musgrave Block.
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