Question

What is the difference between the following: Zeugen - Yardang.

Answer 1

The yardang is smaller than a zeuge.

Yardangs are formed on vertical strata while zeugen on horizontal strata.

Yardangs are formed by deflation while zeugen by abrasion.

There is no difference. The two names describes the same landform.

Yardangs are formed on vertical hard/soft layers of rock, while zeugen (this is its plural form) are formed on horizontal bands of hard/soft rocks giving it a more mushroom-like shape. The Great Sphinx of Giza has been sculpted in a yardang.

Answer 2

The main difference between Zeugen and Yardang is pattern of their erosion. Zeugens are horizontally eroded whereas Yardangs are vertically eroded.

• Zeugens and Yardangs are result of the wind erosion.
• Wind blowing in the region erode the soft rocks through abrasion process.
• Zeugens are horizontally placed layers of soft rocks and hard rocks. Soft rocks are more prone to wind erosion whereas hard rocks are less likely to be eroded.
• So, softer rock layers are eroded but hard rocks have less impact. And this erosion occurs horizontally.
• Yardangs are vertically placed layers of soft rocks and hard rocks. Soft rocks are more prone to wind erosion whereas hard rocks are less likely to be eroded.
• So, softer rock layers are eroded but hard rocks have less impact. And so, this erosion occurs vertically.

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