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Collection: (NAO) Ophiolite Suite -- Northern Apennines, Italy
Hyaloclastite of basalt with superimposed metamorphism in pumpellyite-prehnite facies.
Antigoritic Serpentine Schist
Antigorite, magnetite, ankeritic carbonate, diopside, tremolite. A very marked subsequent foliation nearly completely obliterates a previous initial foliation.
Antigorite, magnetite, carbonates (ankerite), diopside, clinohumite, tremolite, chlorite. Rarely, pseudomorphs on primary pyroxenes may be recognized, though there is superimposition of various deformational phases.