caldera Definition

boiler, volcanic crater, stratovolcano, lava, crater, magma, volcanism, glacier, mauna loa, hydrothermal, pyroclastic, volcanic rock, ojos del salado, andesite, tectonic, tephra, plate tectonics, ejecta, igneous rock, pillow lava, rhyolite, subduction, volcanoes, graben, seamount, crustal, batholith, fumaroles, basalts, outcropping, lithosphere, rifting, massifs, syrtis major, crustal plate, lassen peak, dacite, porphyry, schists, craton, orogenic, bradyseism, terrane, stratigraphy, stratiform, palaeozoic, depositional, precambrian, metamorphic rock, proterozoic, syncline, breccia, nyiragongo, icecap, anorthosite, horst, icefield, hornblende, gneiss, landform, anticlines, hornfels, tropopause, dolerite, ordovician, volcanity, volcano, ridge, asthenosphere, hot springs, granites, supercontinent, teton range, outwash, rock outcrop, paleogene, alkalic, san andreas fault, stockwork, cenozoic, sedimentary rock, dunite, embayment, volcanicity, archaean, eocene, mineralizing, limestones, pluton, stalactite, amundsen sea, landforms, alluvium, paleocene, monzonite, cenote, dolomites, olivine, mesozoic, karst,