mineral assemblage
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metamorphic rock…involve a complete change in mineral assemblage or simply a shift in the compositions of the preexisting mineral phases. The resultant mineral assemblage will reflect the chemical composition of the original rock and the new pressure-temperature conditions to which the rock was subjected.
…involve a complete change in mineral assemblage or simply a shift in the compositions of the preexisting mineral phases. The resultant mineral assemblage will reflect the chemical composition of the original rock and the new pressure-temperature conditions to which the rock was subjected.
metamorphic rockClassification into four chemical systemsThe particular metamorphic minerals that develop in each of these four rock chemical systems are controlled above all by the protolith chemistry. The mineral calcite (CaCO3), for example, can occur only in rocks that contain sufficient quantities of calcium. The specific pressure-temperature conditions to which the rock is…
The particular metamorphic minerals that develop in each of these four rock chemical systems are controlled above all by the protolith chemistry. The mineral calcite (CaCO3), for example, can occur only in rocks that contain sufficient quantities of calcium. The specific pressure-temperature conditions to which the rock is…


