The effect of solid solution on the stability of talc and 10-Å phase

Talc and 10-Å phase are hydrous phases that are implicated in fluid processes and rheological behaviour in subduction zones. Natural samples of talc show limited compositional variation away from the MgO–SiO 2 –H 2 O (MSH) endmember, with only substitution of Fe 2+ for Mg occurring in significant am...

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