显生宙一级层序的银河年旋回响应：重要的进展与争论

张英杰, 王龙

Response of First-Order Sequence to the Galactic Year Cycle in the Phanerozoic:An Important Progress and Topic

Yingjie Zhang, Long Wang

图3 显生宙多个海洋组分所展示的旋回性（据参考文献[36,52~56]修改）
(a)Mg/Ca值变化；(b)SO

_{4}^{2 -}

浓度变化；A:Hardie模型；B:Wilkinson-Algeo模型

Fig.3 Cyclicity of multiple ocean components during Phanerozoic (modified after references [36,52~56])
(a)Mg/Ca change; (b) SO

_{4}^{2 -}

concentration change; A: Hardie method; B: Wilkinson-algeo method