Big Dipper Pits
Pubdate:4/25/2015 SaturdayCategory:Introduction of Geosites

On the surface of the granite, there are seven varying sized pits, arranged like the big dipper, therefore they are named as Big Dipper Pits. They are common granite weathering pits which formed when the granite surface firstly peeled off and then enlarged by water erosion and frost wedging.

 

1 Pits are formed when the minerals on the granite surface peeled off.

2 The pits suffer water, wind erosion and frost wedging.

3 The pits become deeper and bigger.

4 The pits suffer water, wind erosion and frost wedging again.

5 Seven varying sized pits arranged like the big dipper are formed.

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