This category has only the following subcategory.
- ► Basalt (1 C, 19 P)
Pages in category "Volcanic rocks"
The following 70 pages are in this category, out of 70 total.
- Volcanic rock (earth)
- Dacite (earth)
- Ignimbrite (earth)
- Obsidian (chemistry)
- Quartz latite (earth)