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Fig. 8 | Progress in Earth and Planetary Science

Fig. 8

From: Rheology and stress in subduction zones around the aseismic/seismic transition

Fig. 8

Structural and microstructural characteristics of the South Fork Mountain Schist. a The dominant foliation in pelitic schist is a transposed crenulation cleavage, formed by microfolding an earlier differentiated fabric, accompanied by pressure solution. b Mesoscopic folds deforming a differentiated fabric, with a new crenulation cleavage forming parallel to the axial planes. c, d Photomicrograph showing the dilational arcs and pressure-solution seams that form in conjunction with the dominant crenulation cleavage

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