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What type of unconformity would be represented by sedimentary rock deposited over igneous or metamorphic rock?

Which type of cross bedding shows a change in energy as the sediment was deposited?

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

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

A formation is _____________________________________.

During a regression it is assumed that ________________.

All plate tectonic boundaries exhibit which of the following?

What is not considered a driving force in the movement of tectonic plates?

Which of the following is not a type of cement?

What is moving to produce a chain of island or lava flows related to magmatic plume (hot spot)?