1·Petrifaction may also involve a simultaneous exchange of the original substance of a dead plant or animal with mineral matter of a different composition.
石化还可能同时涉及将死亡的动植物的原有物质与不同成分的矿物质进行交换的作用。
2·Each drop of water contains a tiny bit of dissolved lime or other mineral matter.
每一滴水都含有微量的溶解了的石灰或其他矿物质。
3·Dissolved mineral matter is not volatile at the boiling point of water and remains behind.
溶解的矿物质在水的沸点是不挥发的并留下。
4·Sometimes water drips directly to the floor, so the mineral matter builds upward, like an upside-down icicle. This is called a stalagmite.
有时，水直接朝地下滴，于是，矿物质向上堆积，像倒挂的冰柱。这叫做石笋。
5·Mineral matter in a vein exclusive of the ore; gangue.
排除矿石，矿脉专有的矿物质；脉石。