The Solar Nebular Theory explains the formation of which of the following:

Index or guide fossils are fossils that have _______________.

As laid out by Tuzo Wilson the Wilson (Tectonic) Cycle would end with which of the following?

During a regression it is assumed that ________________.

Based on what we know about sedimentary rocks (texture, composition, weathering) which of the following samples was deposited closest to it source area?

A formation is _____________________________________.

The term provenance when used in discussing sedimentary rocks would refer to ________________.

Which of the following sedimentary structures would indicate a terrestrial environment?

An unconformity can represent ________________________________________________.

The actual subduction of a tectonic plate takes place at what physiographic feature on the Earth’s surface?