Multiple choice

Which one of the following is not an igneous rock?

  1. Granite

  2. Quartz

  3. Feldspar

  4. Slate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Slate is a metamorphic rock formed from shale, not an igneous rock. Granite, quartz, and feldspar are all igneous rocks formed from cooling magma or lava. Slate is characterized by its foliation and ability to split into thin sheets, making it useful for roofing and blackboards.

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