The view is looking down the plunge direction along the fold's hinge. Note how the fold limbs "open up" in the direction of plunge and come together as a "nose" in the direction opposite of plunge.
Plunging syncline in limestone, SW Montana.
The view is looking down the plunge direction along the fold's hinge. Note how the fold limbs "open up" in the direction of plunge and come together as a "nose" in the direction opposite of plunge.
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