Sullivan Halipré

化石拍卖（收藏家内饰）

一块来自马达加斯加、极为完好保存的化石木切片。地质期：下侏罗世。色彩绚丽，木材纹理清晰且完美保存，质量极佳。 
请注意，数百万年内在木缝中形成的美丽矿物晶化现象。
这是来自马达加斯加安比洛贝（Ambilobe）的化石木圆截片（Araucaria）。Araucaria 是一种针叶树，属于包含现代猴谜树的科。这块约2.2亿年的化石木已在两面切片抛光，能够轻松看到内部木纹细节与美丽的着色。 
化石木是指通过矿化作用将木材转变为石头的木材（木化石）。在这一过程中，所有有机物被矿物质替换，而原有的结构，如树轮，仍得以保留。要发生这种过程，木材需要埋在氧气含量低、且有流动、矿物质丰富的水中，以便矿物质替代结构。着色由在化石化过程中的水中存在的各种矿物/杂质引起。例如，红色通常归因于铁化合物，绿色则由铜引起，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 - 35 cm - 25 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 - 35 cm - 25 cm

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