What are the rounded hills inside the Valles Caldera?

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Quizplus · Accepted Answer

The rounded hills inside the Valles Caldera are most likely volcanic domes. Domes are formed by viscous magma that cannot flow easily, causing it to pile up and form a dome-shaped structure. Cinder cones are typically tall and steep-sided with a symmetrical shape, much different from the rounded hills observed in the Valles Caldera. Volcanic necks are solidified magma that fills the throat of an ancient volcano, and landslides are geological events that result in the downslope movement of rock, soil, and other materials, neither of which accurately describe the features seen in the Valles Caldera.

What Are the Rounded Hills Inside the Valles Caldera