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商 (城 )—麻 (城 )断裂带位于大别造山带的中西部 ,全长近 4 0 0ｋｍ ,宽 2～ 5ｋｍ。断裂带总体走向ＮＥ2 0～ＮＥ30° ,倾向ＮＷ 2 80～ＮＷ 32 0° ,倾角 30～ 6 0° ,是一条具多期活动性的强构造变形带 ,它在造山带的构造格局中占有重要地位。但长期以来对其形成却没有进
The commercial (city) -Ma (city) fault zone is located in the central and western part of the Dabie orogenic belt with a total length of nearly 400 km and a width of 2 to 5 km. The fault belts are generally NE2 0 ~ NE30 °, NW2 80 ~ NW32 0 ° and dip angle of 30 ~ 600 °, and are strong tectonic deformation belts with multi-period activity, which play an important role in the tectonic framework of the orogenic belt status. But it has not formed for a long time