silicification是什么意思

n.[化]硅化(作用)

1. Silicification is the process by which silica minerals are deposited in the pores and cavities of rocks, forming a hard, siliceous substance.
2. Fossilization through silicification can occur when organic material is replaced by silica, preserving the original structure of the organism.

硅化作用；硅化现象