slaty cleavage

例句：

1. 1.The rock is riddled with slaty cleavages.
   这块岩石布满了裂缝。
2. 2. The mountain range has a number of slaty cleavages that can be seen from the top.
   这座山脉有许多裂缝，从山顶上可以看到。
3. 3.The scientist discovered a new type of mineral that has slaty cleavages in it.
   这位科学家发现了一种新矿物，它有裂缝。