硅化木的特征及供观赏意义

Character of Siliciffied Wood and Collection Significance

硅化木是亿万年前的原始树木被深埋于地下并经二氧化硅交代而形成的一种木化石。它记录并见证了亿万年前的地质变迁和物种变化,兼有化石之科学内涵,美玉之华贵和奇石之美妙。本文阐述了硅化木的主要特征、成因、形成时代以及观赏和收藏意义。

Petrified wood is formed in the process that the metasomatic alteration of deep buried wood by SiO2 thousands of million years,which can record geological history and species changes.This paper summarized the main features,genesis,formation age,viewing and collection significance of petrified wood.