Examkin

Question

Difficulty: MediumLandform Development by Wind Action and Glaciation

Which of the following landforms is created by wind abrasion cutting into steep-sided, narrow ridges and furrows aligned parallel to the prevailing wind direction in arid regions?

  1. YardangAnswer
  2. B
    Zeugen
  3. C
    Oxbow lake
  4. D
    Terminal moraine

Answer

Yardang is created by wind abrasion eroding parallel bands of hard and soft rock aligned in the direction of the prevailing wind.
A Yardang is formed when wind abrasion undercuts and sculpts rocks into long, narrow, steep-sided ridges separated by furrows, aligning parallel to the direction of the prevailing wind in desert landscapes.

Step-by-Step Solution

1
Analyze the process and geological arrangement described in the stem.
The process is wind abrasion operating parallel to prevailing winds in arid conditions.
Differentiation between desert landforms relies on rock orientation (vertical vs horizontal) and process direction.
2
Distinguish between Yardang and Zeugen based on rock strata alignment.
Yardangs develop where vertical bands of hard and soft rocks lie parallel to wind direction, creating narrow ridges and furrows.
Zeugen require horizontal strata where wind abrades jointed hard rocks into tabular blocks.
3
Identify and reject distractors from non-aeolian domains.
Oxbow lakes originate from fluvial action and moraines from glacial deposition.
Landform classification requires isolating the active agent of erosion or deposition.

Key Concept

Aeolian Erosional Landforms and Rock Strata Orientation
Estimated Time:1m 0s
Rate this question

Topics

Landform Development by Wind Action and Glaciation

More questions from this topic