If you see a very tall, rock feature that looks like a jagged, rectangular block sticking out of the ground, you're probably observing a volcanic neck. Volcanic necks are formed from the hardened magma within a volcano's vent, which can erode away the surrounding material, leaving the harder rock exposed.
If you see a very tall, rock feature that looks like a jagged, rectangular block sticking out of the ground, you're probably observing a _____.
lava dome
geyser
flood basalt plateau
volcanic neck
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