Genesis of Zoned Amphibole and its Relationship with the PGE Mineralization in the Wengeqi Mafic-ultramafic Complex,Guyang Country,Inner-Mongolia,China

摘要

1 INTRODUCTIONThe Wengeqi mafic-ultramafic complex is located in Guyang County,Inner Mongolia,in the central part of northern margin of the North China craton (Fig.1a).The intrusion extends 3.5 km NW-SE and 1.5 km NE-SW (Fig.1b).The area of the Complex is approximately 5.0 km2 (Figure 1).