Here, the pink and red grains are garnet, but garnet can also be brown, black, green, or orange, depending on the chemistry.
2
河南省西峡县北部蛇尾地区秦岭群变质泥质岩系的黑云二长榴线岩中的石榴石成分环带是连续变质反应的结果。
The zoned garnets of tne metapelites from Qinling Group in Shewei area, Xi-Jtia county, Henan Province can all be attributed to the continuous reactions.
Preservation of the growth zoning of eclogitic garnets suggests that the UHP rocks have a short residence time before the retrograde metamorphism and have a very high uplift rate.