1.The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.
其总体沉积特征为:
繁
支与迁移,发育各种沉积构造及生物遗迹化
。
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，
未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
