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风成沙丘普遍存在角砾前积、拖曳褶皱和倒转褶皱等同沉积变形构造。
The synsedimentary deformation structures are common in eolian dunes, such as brecciated foresets, drag folds and overturned folds.
这是风成沙丘的特征。
本文通过对广东和海南海岸沙丘砂石英颗粒的扫描电镜分析，认为其表面结构特征，既具有典型的风成环境特征。
Quartz grain surface textures in coastal dune sand which is mainly derived from beach sand have features characteristic of both typical aeolian environment and inheritable and reformable beach sand.
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