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Such a fold is called a syncline.
Synclines
When layers of rock bend downward, the resulting fold is a syncline.
A syncline is a fold in the crust that bends downward into a valley.
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syncline
syncline
Such a fold is called a syncline.
If rocks are folded, the folding is younger that the youngest rock affected. If they are folded into a syncline (a U-shaped fold) the youngest rocks are in the core of he fold. The opposite is true for an anticline (a big dome-shaped fold).
Such a fold is called a syncline.
Synclines
anticlines are caused by extensional stress on the rocks, and syncline is caused by compressional stress. The stress is always pushing from the oldest layer of rock toward the youngest layer of rock, so in an anticline, where the oldest rocks are in the center of the rock fold, they push outward toward the younger rocks. In a syncline the youngest rocks are in the center of the fold and the oldest rocks are on the outer edge, the older rocks push inward toward the youngest rock.
A Syncline
It is called a syncline.
Syncline.
When layers of rock bend downward, the resulting fold is a syncline.
A syncline is a fold in the crust that bends downward into a valley.