Thrust fault, Republic of Kyrgyzstan.

depositional contact

Although we can't see the same features on either side of this fault, we can tell it has to be a fault because it truncates the rock (and bedding) on both sides. We further know that it's a thrust fault because it places older (Devonian) rock over younger (Tertiary) rock. Note how the Tertiary rock is folded into a syncline.

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