Strongly foliated hornblende amphibolite (Tailuko amphibolite) with kink bands, isoclinal folds, and boudins. The outcrop is about half a meter in the long direction. A hand sample of the same rock is here: https://skfb.ly/6SzRN. Wushibi Harbor, eastern Taiwan. Lat 24.49935˚N, Lon 121.83392˚E.