Which process primarily drives the formation of a stepped or terraced cirque morphology in mountainous regions?

💡 Explanation

When cyclical freezing and thawing occur within cirques, progressive glacial plucking and abrasion erodes weaker rock layers, creating a stepped appearance because the glacier's basal sliding removes debris. Therefore stepped morphology results, rather than differential weathering, volcanism or tectonics, elements impacting other landforms or environments over geologic timescales.

• Which geologic outcome intensifies when an oceanic plate subducts at a steeper angle beneath a continental plate?
• Which mechanism causes island arc formation during subduction of an oceanic plate beneath another oceanic plate?
• Which outcome is enhanced when prevailing winds exhibit greater variation?
• Which outcome occurs when differential stress exceeds the static friction across a fault plane at depth?
• Which outcome occurs when intense tropical weathering increases soil acidity?
• Which mechanism increases the frequency of oxbow lake formation in fluvial floodplains with easily eroded cohesive soils?