Is a rock with a fine, dark texture that makes up the oceanic crust.

For this item, we are to determine the name of the rock that is fine, dark texture and is made up of oceanic crust. The answer to this item is basalt. This type of rock is composed mainly of plagioclase and pyroxene minerals. It is most commonly form as an extrusive rock.

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There would be one bar shorter than the bar for peaches.