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Fig. 9 | Swiss Journal of Geosciences

Fig. 9

From: The Theodul Glacier Unit, a slab of pre-Alpine rocks in the Alpine meta-ophiolite of Zermatt-Saas, Western Alps

Fig. 9

a Photomicrograph of texture and mineral assemblage of sample KB860 (cross-polarized light): Grt, Qz, Pl, white mica and Chl. b Backscattered electrons (BSE) image of texture and mineral assemblage of sample OK-Z131. A predominant generation of foliation-parallel Ph (Ph1) with Si = 3.3 has been overgrown by a later generation of Ph with Si = 3.1 (Ph2). c Backscattered electrons (BSE) images showing a Chl–Ab pseudomorph after Gln in sample OK = Z129. Scale bar = 100 µm. The pseudomorph is rimmed by Mhb and Act

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