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In the Four Corners area of thep southwestern United States, there are large rocky outcroppings of basalt. These were formed by ancient lava flows. Using this information, what class of rock is this?
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In the Four Corners area of thep southwestern United States, there are large rocky

outcroppings of basalt. These were formed by ancient lava flows. Using this information,
what class of rock is this?

User Mculhane
by
8.1k points

1 Answer

0 votes

Answer:

igneous

Step-by-step explanation:

User Jonathan Leitschuh
by
8.1k points
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