GPH 211 41_2 Process-Form Lab Intrusive volcanic landforms Question 3

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Arizona State University *

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211

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Geology

Date

Dec 6, 2023

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docx

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Uploaded by PresidentExplorationGull35

Question 3 1 / 1 pts What is this intrusive volcanic landform ( N 37.61901 W 105.04576)? Actually, there are a lot of examples in this area. Just zoom out and look around. These "walls" are natural. They are not made by people. What are they and why do they stick out like giant fences? Correct! These dikes stick out like walls because they are more resistant to weathering (rock decay) than the surrounding rock types. These sills stick out because they emerged and pushed out of the surrounding rock when the lava eupted. These laccoliths stick out because they emerged and pushed out of the surrounding rock when the lava eupted. These rhyolite domes stick out like walls, because they flowed out into fractures in the rock and are harder than the surrounding rock. Yes. These are volcanic dikes.

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GPH 211 41_2 Process-Form Lab Intrusive volcanic landforms Question 3

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