Marls containing pyrite with the level of laminae .
具水平纹层含黄铁矿泥灰岩。
The laminae may appear especially even and parallel in sections parallel to the shoreline .
在平行于滨线的剖面上，薄层里显得尤为平整。
" In a sense , " says mahadevan , " we have quantified one aspect of the similarity by showing that in addition to being laminae ( like blades ) , the morphologies of petals and leaves are often determined by similar principles . "
