igneous rocks 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. These minerals are typical weathering products of mafic igneous rocks.
4. Quartz veins and igneous rocks form most of its geology.
5. Granite is one of the hardest types of igneous rock.
6. Igneous rocks in the Big Smoky Valley are predominantly pre-Quaternary.
7. THEMIS found a wide range of igneous rocks and minerals.
8. Examples of aphanitic igneous rock include basalt, andesite and rhyolite.
9. Its igneous rock consists mostly of pyroxenite and gabbro.
10. Also, potassium-argon dating is used to date igneous rocks.