Sidaohe Quarry, Hong'an Co., Huanggang Prefecture, Hubei Province, China

Coesite-bearing eclogite lenses in granitic gneiss.

Ref.:
- Zhong Zengqiu, Zhang Hongfei, Suo Shutian, and You Zhendong (1999): Partial Melting Processes During Exhumation of Ultrahigh-Pressure Metamorphic Rocks in Dabieshan, China. Journal of China University of Geosciences 10(3).
- Yuanbao Wu, Shan Gao, Hongfei Zhang, Saihong Yang, Wenfang Jiao, Yongsheng Liu, and Honglin Yuan (2008): Timing of UHP metamorphism in the Hong’an area, western Dabie Mountains, China: evidence from zircon U–Pb age, trace element and Hf isotope composition. Contributions to Mineralogy and Petrology 155, 123-133.