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Death Valley is currently sinking partly due to the weight of continuously accumulating sediment shed from the mountains that border the valley. What phenomenon is this an example of and what depositional environment is created by the sediment deposition?

What type of weathering has produced the honeycomb-like features shown in the following photo?

The map below depicts the locations of earthquakes in the ocean basins. Which of the following locations is most likely to be located along a plate boundary?

In plate tectonics, a triple junction is a place on the Earth’s surface where

Of the ~4,000 known minerals, the vast majority ___________

Below is a photo of an outcrop where bedrock, unconsolidated sediments, and soil are all visible. Which of the three materials is youngest?Click to view larger image.

Ripple marks are ________

In the discontinuous series of Bowen’s reaction series, the first mineral to crystallize from a mafic melt is

If you find a tuff in the field, what type of geologic activity could you reasonably assume has occurred?

Slab pull occurs because subducting slabs are _________, and therefore are _________ dense than the surrounding asthenosphere.