On the surface of the granite, there are seven pits of varying sizes, arranged like the Big Dipper, therefore they are named Big Dipper Pits. They are common granite weathering pits which formed when the granite surface firstly peeled off and was 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.