Structural Geology
Ductile Features

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Syncline-Anticline pair.	Anticline-Syncline pair.	Chevron folds in chert, CA.
Recumbently folded marble.	Boudins of pegmatite in schist.	Deformed conglomerate.
Axial planar cleavage-folds in backgrnd.	Slaty cleavage in limestone.	Ductile marble; brittle pegmatite.
Deformed Ordovician Trilobite.	Ductile shear zone in gneiss.	Mylonitic gneiss: top-to-right

Chevron folds in chert, OR.

Upright syncline in limestone.

Ptygmatic folds in gneiss.

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