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geng zheng
Author(s): 
Pages: 287
Year: Issue:  4
Journal: Progress in Precambrian Research

Keyword:  层凝灰岩阳坡村汝阳群长城系震旦系华北克拉通测年中元古界文章报道文中;
Abstract: <正>本人及合作者在本刊2012年第2期发表的《华北克拉通南缘洛峪群-汝阳群属于中元古界长城系—河南汝州洛峪口组层凝灰岩锆石LA-MC-ICPMS U-Pb年龄的直接约束》一文中,由于我们的测年材料为左景勋等(1997)文章所报道汝州阳坡村附近洛峪口组内的夹层状层凝灰岩,并误以为我们所观察剖面就是他们文章报道的"阳坡剖面",因此在拙文中直接引用了他们的剖面图,并根据我们的观察和区域资料,将其上覆层位的时代归属由原来的"寒武系"修改为"震旦系"。最近,经与左景勋
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