The top, or crest, of a rock fold called anticline.
A fold mountain can curve upwards or downwards.
When a fold mountain curves downwards it is known as syncline and when a fold mountain curves upwards it is known as anticline.
Rocks constitute mountains can result in fold mountains. The top or crest or upward curve of this rock fold is called anticline while the down or trough or downwards curve of this rock fold is called syncline.
Thus, we can conclude that the top, or crest, of a rock fold called anticline.
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