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One of the main ideas on how Upheaval Dome may have formed is that there’s an underground dome of ___________ pushing upward from below.

One of the main ideas on how Upheaval Dome may have formed is that there’s an underground dome of ___________ pushing upward from below.

Large areas of metamorphic rocks exposed at the surface of the earth represent the “fossil footprints” (or “exposed roots”) of mountain belts. In such places, the metamorphic and igneous rocks provide a strong foundation on which to build, for example, tall buildings. A good example of this occurs in parts of the U.S. that now shows minimal relief and only low mountains, namely

Recognizing that the figure below is a cross-section, the letter ‘A’ points to what?  Note that ocean water covers both sides of the figure.

Consider the photos below.  What is the correct order for these samples, arranged from fastest-cooling to slowest-cooling?

It’s not unusual to find one or more highly deformed rocks (‘fault rocks’) along fault zones such as the Alpine Fault Zone.  The clay-rich, putty-like material (see photo) found along faults that have formed near the surface of the Earth (including the Alpine Fault Zone), is

Since there was once just one continent, Pangaea, there was only one ocean, called

Since there was once just one continent, Pangaea, there was only one ocean, called

A hornito near Mt. Etna is a place you might want to avoid if you don’t like

The story of the formation of the solar system is mostly about