Volcanoes Are Generally not Preserved in the Geologic Rock Record

question 31

Essay

Volcanoes are generally not preserved in the geologic rock record because the upper part of the volcano is eroded away. However, the igneous rocks associated with volcanoes are often found preserved in the rock record as layers of volcanic rock and associated intrusions. How could you infer what type of volcano erupted in a given area based on the type of volcanic deposits? Give specific examples and briefly discuss if some materials may be linked to different types of volcanoes.

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Definitions:

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Groups of people working collaboratively towards a common goal or objective, often within an organizational setting.

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Fundamental beliefs or principles that are collectively regarded as important by members of a group, organization, or society.

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Physical objects produced or shaped by human craft, especially tools, weapons, or ornaments of historical, archaeological, or cultural interest.