silicify
/səˈlɪsəˌfaɪ/
verb
- To turn into or become like silica (a hard, glassy mineral), often through a natural process over time.
- Over millions of years, the fallen trees began to silicify, turning into beautiful petrified wood.
- Geologists study how certain rocks silicify when exposed to silica-rich water.
- The hot springs can silicify nearby plant matter, preserving its shape in stone.
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