Volcanoes are usually not preserved in geologic rock record as they are generally eroded away. Though, the various materials erupted from volcanoes are frequent found preserved in rock record. From what you have learned about different kinds of volcanoes, how could you infer what kind of volcano erupted in given area based on kind of volcanic deposits now found as layers of rock? Write specific examples, and briefly explain how some materials may be linked to different kinds of volcanoes"