1. 1 Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan 430074, China
2. 2 Departament de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, Universitat de Barcelona (UB), Barcelona 08028, Spain
3. 3 Exploration and Development Research Institute, SINOPEC North China Company, Zhengzhou 450006, China