 | | Journal (article/letter/editorial) | | ]MIHERALS 9 Springer-Verlag1991 Superstructures in Ankerite and Calcite H.-R. Wenk 1, Hu Meisheng I *, T....Two rhombohedral carbonates, ferroan dolomite (ankerite) and magnesian calcite from lower Jurassic ammonites...resolution images indicate that the domains observed in ankerite are rich in Ca [Cao.75(Mg, Fe)o.25CO3] and those...unusually well ordered iron-rich ferroan dolomite (ankerite) with strong c-reflections which facilitates a...TEM investigation. We report new observations on ankerite and associated magnesian calcite with c-reflections |
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