最老的岩层形成了褶曲的核心。从核心向外，逐渐地产出数年轻的岩层。
The oldest rock layers form the core of the fold, and outward from the core progressively younger rocks occur.
干燥、寒冷、没有露水的加利福尼亚之夜仍在泰布尔山长长的峡谷和褶曲的边缘地带徘徊。
The dry, cold, dewless California night still lingered in the long canyons and folded skirts of Table Mountain.
如果一个褶曲的形态在横剖面上表现为两翼向同一方向倾斜，那么这种类型的褶皱该怎样命名?。
If a fold so develops that both of limbs dip toward the same direction. In such CASE, what should we call for this kind of fold.
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