Patterns that somehow wove their way through magma pressure and volcanic heat.

You'll get- The hot mass rose before them, its volcanic heat beating on their power.

Her heart felt the volcanic heat of anger and loss.

The walls on either side, however, were turning orange from the volcanic heat.

It is a volcanic city-the heat for the city comes from deep underground.

Even in the volcanic heat, they were dead cool.

On one or two Pacific islands, the scrubfowl have discovered places where volcanic heat underground performs a similar service for them.

Perhaps the planet still has some volcanic heat churning in its interior.

The lakes never freeze because of the volcanic heat.

They also gathered charred seeds, burned in the volcanic heat, which could be identified under the microscope.