I think that you can find the older layers in the middle of the rock. By the way sorry if I am/was wrong.
Thrust faults, Volcanoes producing andesitic lavas
Answer : The polar climate regions are characterized by a lack of warm summers. Every month in a polar climate has an average temperature of less than 10 °C (50 °F). ... A polar climate consists of cool summers and very cold winters, which results in treeless tundra, glaciers, or a permanent or semi-permanent layer of ice.
step by step explanation: