metamorphic facies series

metamorphic facies series

[¦med·ə¦mȯr·fik ′fā·shēz ‚sir·ēz]
(petrology)
A group of metamorphic facies characteristic of an individual area, represented in a pressure-temperature diagram by a curve or group of curves illustrating the range of the different types of metamorphism and metamorphic facies.