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Brownish coralloid speleothems (Amor-C) from Amor Tunnel
(A) Field image from the coralloids on the cave wall; (B) Air-dried sample showing branched coralloid; (C and D) micro-CT images of the internal structure of the coralloid sample; (E) FESEM image of the surface of the coralloids showing heterogeneous texture, and (F) EDS spectrum obtained from the area marked on panel E (spectrum 1).
