铁砧山断层(英语:Tiehchanshan Fault),为逆移断层,呈北北东走向,由台中市大甲区铁砧山北缘向南延伸至沙鹿后并入大甲断层,长约13公里。本断层又称大甲东断层,位于大甲断层东侧,可能是前者的背冲断层[1]。
总结与评估
铁砧山断层,可能是大甲断层向西逆冲时上盘所形成的背冲断层,由于截切更新世晚期的地层,可能在全新世活动过,暂列为第一类活动断层。
参考资料
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