Answer :

Basalt is a dark-coloured, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals.

Gabbro is any of several medium or coarse-grained rocks that consist primarily of plagioclase feldspar and pyroxene.

What is a mineral?

A mineral is a naturally occurring inorganic element or compound having an orderly internal structure.

For more information about the mineral; refer to the link,

https://brainly.com/question/18078524

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