In the Grand Canyon-Zion-Bryce Canyon Sequence,which One Displays the Oldest

question 10

Multiple Choice

In the Grand Canyon-Zion-Bryce Canyon sequence,which one displays the oldest rocks?

• A)Zion
• B)Bryce Canyon
• C)Grand Canyon
• D)None.They are all of the same age.

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Definitions:

Low-viscosity Lavas

Lava flows that are thin, runny, and able to travel long distances due to their low resistance to flow.

Volatile-rich Eruptions

Volatile-rich eruptions refer to volcanic eruptions that expel a high amount of volatile compounds, such as water vapor and gases, leading to explosive phenomena.

High-viscosity

Describes a fluid that is thick and resistant to flow, often characteristic of some types of lava.

Lava Tube

A long, tubular opening under the crust of solidified lava and representing an active or partially emptied subsurface channel of lava.