protodolomite

protodolomite

[¦prōd·ō′dō·lə‚mīt]
(mineralogy)
A crystalline calcium-magnesium carbonate with a disordered lattice in which the metallic ions occur in the same crystallographic layers instead of in alternate layers as in the dolomite mineral.
References in periodicals archive ?
The Mg carbonate precipitated, combined with calcite precipitation, will likely represent the mixed Ca-Mg precipitate, called protodolomite, that is observed in hypersaline environments.
1956) Some hydrothermal syntheses of dolomite and protodolomite.
Protodolomites were formed at lower temperatures, and these materials did not show the superstructure reflections.