Manuel Quiring

化石拍卖

来自马达加斯加的极为保存完好的化石木片。地质时期：下侏罗世。色彩美丽，木纹清晰且保存完好，质量确实卓越。

请注意数百万年间在木材裂缝中形成的美丽矿物晶体沉淀。

这是来自马达加斯加阿姆比洛贝（Ambilobe）一块宽圆形的石化木（Araucaria）。Araucaria 是一种针叶树，属于包含现代猴面树的科。

这块约2.2亿年前的石化木已被切片并两面打磨抛光，使内部木纹细节和美丽的着色清晰可见。

石化木指经矿化作用把木材转变为石头的木材（化石化）过程。在这个过程中，所有有机物都被矿物质替代，同时保留了如年轮等大部分原始结构。

要实现这一点，木材需要埋藏在缺氧的环境中以防止分解，并且有流动的富矿水，让矿物质替代木材的结构。

着色则由化石化过程中水中的各种矿物质与杂质所致。例如，红色往往来自铁化合物，绿色来自铜等，等等

A really well preserved fossil wood slice from Madagascar. Period Lower Jurassic. Beautiful colors, evident and beautifully preserved wood texture, truly excellent quality. 
Note the beautiful mineral crystallization created over millions of years inside the cracks of the wood
This is a wide round of petrified wood (Araucaria) from Ambilobe, Madagascar. Araucaria is a coniferous tree in the family that includes the modern Monkey Puzzle tree. This 220 million year old petrified wood has been sliced and polished on both sides, allowing the stunning inner wood detail and beautiful coloration to easily be seen.
Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. In this process, all of the organic matter becomes replaced by minerals, while much of the original structure, such as tree rings, is retained. For this to happen, the wood needs to be buried in an environment low in oxygen to prevent decomposition and with flowing, mineral-laden water, so minerals may replace structures. The coloration is caused by various minerals/impurities present in the water during fossilization. For example, red colors in many cases can be attributed to iron compounds, greens due to copper, and so on

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木化石 - 化石木材 - 42 cm - 30 cm

侏罗纪， 下 （2.013 - 1.741 亿年） - 马达加斯加

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木化石 - 化石木材 - 42 cm - 30 cm

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