Term
|
Definition
|
|
Term
|
Definition
| Rocky deserts; vcover of coarse gravel, pebbles, boulders; more common than Ergs. |
|
|
Term
|
Definition
| Usually bedrock exposure, can be hardpan. |
|
|
Term
|
Definition
| Streams that have sufficient volume to cross desert areas. |
|
|
Term
| Intermittent of Ephemeral Streams |
|
Definition
| More than 99% of streams in deserts are of this type. |
|
|
Term
|
Definition
| Dry lake beds; often white color due to salts deposited as lake water quickly evaporates. |
|
|
Term
|
Definition
| More resistant rock forms the cliffs, pinnacles, spires etc. |
|
|
Term
|
Definition
| Gently inclined bedrock platform extending out form a mountain front. |
|
|
Term
|
Definition
| Isolated steep sided mountains, hills or ridges. |
|
|
Term
|
Definition
| Fan shaped deposition feature laid down by a mountain stream issuing from a mountain canyon. |
|
|
Term
|
Definition
| Two or more alluvial fans that have coalesced making it difficult to distinguish between them. |
|
|
Term
|
Definition
| Shallow depression where much fine material has been removed. |
|
|
Term
|
Definition
| Stone covered surface from which finer materials have been removed. |
|
|
Term
|
Definition
| Wind eroded/sculpted ridge found in a desert environment; elongate features typically three or more times longer than they are wide and often resembling the inverted hull of a boat. |
|
|
Term
|
Definition
| Dust storms; suspended material & saltation of material. |
|
|
Term
|
Definition
| Loess deposits (wind blow silt & clay). |
|
|
Term
|
Definition
| U-shaped dune, points down wind. |
|
|
Term
|
Definition
| Dune; perpendicular to wind. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Very long and/or curved or sinuous longitudinal dunes. |
|
|
Term
|
Definition
| U-shaped dune; points into the wind. |
|
|
Term
|
Definition
| Star shaped dune; variable wind directions. |
|
|
Term
|
Definition
| Fault block mountains with pediments, alluvial fans and playas in common. |
|
|
Term
|
Definition
| Area of horizontal terrain with plateaus, mesas, buttes, pinnacles; stair step escarpments common |
|
|
Term
|
Definition
| Usually made of eroded layers of shale with many ravines and gullies dissecting the land. |
|
|
Term
|
Definition
| Silt sized particles deposited primarily by the wind; often non-stratified and unconsolidated. |
|
|
