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shallow depths below the surface lava flow pyroclastic flows welded volcanic bre

ID: 107090 • Letter: S

Question

shallow depths below the surface lava flow pyroclastic flows welded volcanic breccia medium-grained rocks nonwelded porphyritic texture eruption column water-rich parts of the magma shallow magma chamber landslides and mud flows pegmatite coarse-grained rocks deep magma chambers volcanic glass Steep and unstable slopes can produce ____________, forming ____________ Magma erupted on the surface can form a __________ that cools quickly, resulting in ________________ Some volcanic ash rises vertically in an ____________, cools before accumulating on the surface, and forms deposits that are __________ Some volcanic ash forms __________ that accumulate while hot and can become __________ to some extent.

Explanation / Answer

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