Now, you " might " have some tough climbing if you decided to explore the crater / caldera complex at the heart of Olympus Mons.
22.
During the middle Cenozoic, most of the volcanic rocks, including the Chisos group, the Pine Canyon caldera complex, and the Burro Mesa Formation, formed.
23.
The field includes numerous shield volcanoes, stratovolcanoes, caldera complexes, cinder cones, and extensive lava flows, which have erupted throughout the past 26 million years.
24.
Metamorphosed ash flow tuffs are widespread in the Precambrian rocks of northern New Mexico, which indicates that caldera complexes have been important for much of Earth's history.
25.
"' Mount Lamongan "'is a small stratovolcano located between the massif Tengger caldera complex and Iyang-Argapura volcano complex in East Java, Indonesia.
26.
The Kenora District contains the Sturgeon Lake Caldera, which is one of the world's best preserved Neoarchean caldera complexes and is some 2.7 billion years old.
27.
Some domes are probably part of the pre-caldera complex, and several rhyodacitic domes were modified by erosional processes after caldera formation; these were formerly considered erosional remnants.
28.
The Sturgeon Lake Caldera in Kenora District, Ontario, is one of the world's best preserved mineralized Neoarchean caldera complexes, which is 2.7 billion years old.
29.
The highest summit in the icefield is Mount Silverthrone, which is a mountain on the northeast edge of a circular, wide, deeply dissected caldera complex called the Silverthrone Caldera.
30.
"' Machmell River Cone "'is a cinder cone in the Silverthrone Caldera complex in the Pacific Ranges section of the Coast Mountains in British Columbia, Canada.
