Impact glasses are rich silica melted formed at high temperature and pressure by the impact of an extraterrestrial body on Earth. Here, Libyan Desert glasses (LDGs) and Darwin glasses (DGs) were studied. Two non-destructive analytical techniques were used to detect and characterize organic compounds present in their inclusions: Raman spectroscopy and scanning electron microscopy coupled to energy-dispersive X-ray spectroscopy (SEM-EDS). Phytoliths, humboldtine, palmitic acid, myristic acid, oleic acid, 4-methyl phthalic acid, and S-H stretching vibrations of amino acids were identified. The presence of these particular organic compounds in such materials has not been reported so far, providing information about (a) the ancient matter of the area where the impact glasses were formed, (b) organic matter belonging to the extraterrestrial body which impacted on the Earth, or (c) even to current plant or bacterial life, which could indicate an active interaction of the LDG and DG with the surrounding environment. Moreover, the identification of fullerene allowed us to know a pressure (15 GPa) and temperatures (670 K or 1800–1900 K) at which samples could be subjected.

中文翻译：

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检测由外星物质与利比亚沙漠（非洲）和塔斯马尼亚州（澳大利亚）碰撞形成的冲击玻璃中的有机化合物

冲击玻璃是一种富含二氧化硅的熔融物，在高温高压下会受到地球外物体撞击地球的影响而形成。在这里，研究了利比亚沙漠眼镜（LDGs）和达尔文眼镜（DGs）。两种非破坏性分析技术被用于检测和表征夹杂物中存在的有机化合物：拉曼光谱法和扫描电子显微镜与能量色散X射线光谱法（SEM-EDS）耦合。鉴定出了植物石板，腐殖土，棕榈酸，肉豆蔻酸，油酸，4-甲基邻苯二甲酸和氨基酸的SH拉伸振动。到目前为止，尚未报道这些材料中存在这些特定的有机化合物，可提供以下信息：（a）形成冲击玻璃的地区的古物，（b）影响地球的属于地外生物的有机物，或（c）甚至涉及当前的植物或细菌生命，这可能表明LDG和DG与周围环境发生了积极的相互作用。此外，富勒烯的鉴定使我们能够知道样品可以承受的压力（15 GPa）和温度（670 K或1800–1900 K）。