Related Clues:

• Composition of some beds
• Ring of Fire output
• Kilauea outflow
• Hawaiian flower
• It's hot stuff!
• Popocatepetl flow
• Stuff from Stromboli
• Vesuvius product
• Post-magma?
• Molten flow
• Volcanic material
• Mount St. Helens output
• Substance on some mountains or in some lamps
• Pinatubo pouring
• Fluid rock