Instructions: Identify the Following

question 50

Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
Ballinger-Pinchot controversy

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Definitions:

Volcanic Domes

Steep-sided, rounded extrusions of viscous lava from a volcano, often resulting from the slow extrusion of silica-rich magma.

Pyroclastic Flows

Fast-moving currents of hot gas and volcanic matter (collectively known as tephra) that move away from a volcano during an explosive eruption.

Eruption Column

A column of volcanic ash and gas that erupts into the atmosphere during a volcanic explosion.

Volcanic Mudflows

A fast-moving flow of volcanic materials, water, and debris known as a lahar, typically associated with intense volcanic activity.