Is Magmatic Intrusion or Exotic Block Emplacement?——Field Survey and Records of Yunxi—Suizhou Mafic Magmatic Belt in Hubei Province

• 责任者：Wang Quan (Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Liu Xueya
• 刊名：Geological Review
• 出版年：2010
• 卷期：56(3)
• 关键词：超镁铁质岩 ; ultramafics ; 增生楔 ; accretionary wedges ; 湖北 ; Hubei Province
• 页码：p.329-340
• 图表：4 illus., 21 refs.
• 分类号：0801
• issnNo：ISSN0371-5736
• isbnNo：CN11-1952/P

In this paper, the authors selected both the Danjiangkou and the Suizhou geological routes at random, and investigated in detail to 35 mafic rock exposures in this years. Based on this research, the authors recognized that the mafic and ultramafic rocks among the whole magmatic belt are not that the liquid magma intruded on the spot, but that a numerous exotic block of mafic rocks emplaced in the turbidite of Wudangshan Group or Suixian Group. At last, the authors conclude that the Wudangshan—Dawushan region lies the above said melange belt is an accretionary wedge in the southwestern margin of Tongboshan—Dabieshan terrane.