Folding and fold mountains in 3D

Pick a type of fold and increase the compression to watch the layers buckle.

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Questions students ask

What is the difference between an anticline and a syncline?

An anticline is an upfold (arch); a syncline is a downfold (trough).

Where do fold mountains form?

Where plates move towards each other and squeeze layers of sedimentary rock, for example the Himalayas and the Alps.

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