| 1. | Leucite is common in lavas but very rare in plutonic rocks.
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| 2. | Melt inclusions can be found in both volcanic and plutonic rocks.
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| 3. | Gabbro is a plutonic rock with the same chemical composition as basalt.
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| 4. | Mineralogical classification is most often used to classify plutonic rocks.
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| 5. | Plutonic rocks form 7 % of the Earth's current land surface.
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| 6. | The western side consists of plutonic rock formed 40 32 million years ago.
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| 7. | The field is constructed on plutonic rocks, which were scoured by glaciation.
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| 8. | As might be expected, they show structures intermediate between those of extrusive and plutonic rocks.
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| 9. | Plutonic rocks intrude into these structures.
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| 10. | Later the deposits were derived from plutonic rocks and were feldspar rich and cemented by clay.
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