vascular plant · terminal bud · simple leaf · sea weed · sage brush · petrified wood · opposite leaves · lateral bud · lanceolate leaf · incomplete flower

yeatmanite · xalostocite · wairakite · pyroclastic flow · petrified wood · metamorphic rock · Druze · tiger's eye · rose quartz · rock cycle

The petrified wood fossils have been preserved for millions of years by the process of petrification, a process which turns the wood into quartz crystal, harder than steel.

石化木材的化石自石化過(guò)程起开心激情自拍，已經(jīng)歷了數(shù)百萬(wàn)年久99www，石化過(guò)程會(huì)將木材轉(zhuǎn)變成為比鋼鐵還要堅(jiān)硬的石英晶體综合性爱网。

The result of infrared spectrum contrast analysis with standard quartz, agate and opal shows that the main mineral composition of Chaoyang petrified wood is quartz, a natural petrified organic jewel, which has a bright future in development and application.

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Petrified Wood：(石化木)

這一帶有豐富的動(dòng)植物化石,其中以石化木(Petrified Wood)最為著名. 石化木雖有木頭外形但所有細(xì)胞都被石英結(jié)晶所取代,世界各地都可以找到這樣的木頭化石,但這里數(shù)量最多也最密集. 蓋帝中心(Getty Center)座落於加州洛杉磯市西北近郊的小山丘上,

Petrified Wood：硅化木

petrified honeycomb 化石蜂巢 同beckite | petrified wood 硅化木 | petrosilex 霏細(xì)巖

Petrified Wood：木化石

petrified soil 石化土 | petrified wood 木化石 | petro-forge machine 壓縮空氣高速錘