CHAPTER 18 Key Terms
Match each of the terms on the left with its definition on the right. Click on the term first and then click on the matching definition. As you match them correctly, they will move to the bottom of the activity.
aeolian (or eolian) bajada barchan dune Basin- butte chimney deflation desert pavement erg inselberg lag deposit mesa pedestal rock petroglyph playa playa lake reg rock varnish saline lake sand dune slip face star dune transverse dune ventifact yardang | An elongated ridge formed by deflation and sand abrasion in a desert; generally, two to three times longer than it is wide. A medium- (or eolian) Of or relating to wind. A star- A hill or ridge formed by the accumulation of windblown sand. The removal of sediments and lowering of the land surface by wind erosion. A flat, dry lake bed in a desert valley in an internal drainage basin. A remnant of a layer of erosion- The leeward side of a sand dune, where sand settles at its angle of repose. A wind- A long, narrow sand dune with the ridge crest perpendicular (or transverse) to the prevailing wind. A desert landscape dominated by actively moving sand dunes. A prehistoric rock carving often made by scratching away rock varnish from a rock’s surface. A landscape located in the southwestern United States where the crust is being stretched apart through rifting, forming a large internal drainage basin with a series of tilted fault blocks. A reg composed of tightly interlocked rocks that resembles a cobblestone street. (pronounced ba- A reg that results from the removal of smaller particles, such as clay and silt, by deflation. A permanent body of salty water occupying a playa. (pronounced bar- A slender spire of rock with a flat top. A shallow temporary lake that forms in an internal drainage basin. A flat stony plain. A large, weathered outcrop of bedrock surrounded by a flat alluvium- A thin, weathered, and darkened surface on exposed rock surfaces formed by the activities of bacteria and the accumulation of windblown clay particles. A flat- |