川西甘洛苏雄震旦系剖面位于小相岭之东,四川西部凉山彝族自治州甘洛县苏雄区境内(图1)。震旦纪地层围绕一穹窿状背斜分布,沿着通过穹窿大致南北向的公路,地层出露良好,南翼顺次出露峨边群(Pt_(ob))、苏雄组(Z_as)、开建桥组(Zk)、列古六组(Z_sl))观音崖组(Z_bg)、洪椿坪组(Z_bh),直至寒武、奥陶系等。南翼部分 The Sinan section of the Gansu-Su-Xiong area in western Sichuan is located in the east of Xiaoxiangling and in the Suxiong District of Gaoluo County in the Liangshan Yi Autonomous Prefecture in western Sichuan (Figure 1). The Sinian strata are distributed around a dome-shaped anticline along the north-south north-south road passing through the dome. Stratum emerges well. On the south wing are Ebian (Pt_ (ob), Z_as, Zk, Z_bl, Z_bh, and up to Cambrian and Ordovician. South wing part