igneous rock in a sentence

Examples

1. Tuff can be classified as either sedimentary or igneous rocks.
2. Examples of phaneritic igneous rocks are gabbro, diorite and granite.
3. In slowly cooled intrusive igneous rocks, pigeonite is rarely preserved.
4. THEMIS found a wide range of igneous rocks and minerals.
5. Quartz veins and igneous rocks form most of its geology.
6. Granite is one of the hardest types of igneous rock.
7. Igneous rocks in the Big Smoky Valley are predominantly pre-Quaternary.
8. Examples of aphanitic igneous rock include basalt, andesite and rhyolite.
9. He noted Andean-trending structures and discovered alkaline igneous rocks.
10. Cassiterite is a widespread minor constituent of igneous rocks.