caldera
131La Caldera — 24° 36′ 00″ S 65° 23′ 00″ W / 24.6, 65.383333 …
132Misema Caldera — Map of the Blake River Megacaldera Complex. Misema Caldera is highlighted red The Misema Caldera is a striking 2,704 2,707 million year old caldera in Ontario and Quebec, Canada. Contents …
