Essay
In a series of basaltic lava flows on Hawaii, the top and bottom of each flow is difficult to distinguish just by looking at the layers of rock. What are some rock characteristics (texture, mineralogy, etc.)and other features that you might use to recognize individual lava flows?
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Crystal size, vesicu...View Answer
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Q13: Which igneous rock or magma has the
Q14: _is the dominant lava erupted from volcanoes
Q15: A(n)_texture refers to rocks composed mainly of
Q16: In a porphyritic volcanic rock, which mineral
Q17: The last minerals to crystallize on Bowen's
Q19: Changing the composition of magma by incorporating
Q20: _is characterized by very coarse mineral grains.<br>A)Obsidian<br>B)Pegmatite<br>C)Pumice<br>D)Granite
Q21: In which of the following igneous rocks
Q22: _is named for a prominent, volcanic mountain
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