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DOI10.1007/s00216-018-1266-5
Detection of organic compounds in impact glasses formed by the collision of an extraterrestrial material with the Libyan Desert (Africa) and Tasmania (Australia)
Gomez-Nubla, Leticia; Aramendia, Julene; Fdez-Ortiz de Vallejuelo, Silvia; Castro, Kepa; Manuel Madariaga, Juan
通讯作者Gomez-Nubla, Leticia
来源期刊ANALYTICAL AND BIOANALYTICAL CHEMISTRY
ISSN1618-2642
EISSN1618-2650
出版年2018
卷号410期号:25页码:6609-6617
英文摘要

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.


英文关键词Impact glass Libyan Desert glass Darwin glass Organic compounds Raman spectroscopy
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000444158500024
WOS关键词RAMAN-SPECTROSCOPY ; GEOCHEMISTRY ; TERRESTRIAL ; FULLERENES ; INCLUSIONS ; C-60
WOS类目Biochemical Research Methods ; Chemistry, Analytical
WOS研究方向Biochemistry & Molecular Biology ; Chemistry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207527
作者单位Univ Basque Country UPV EHU, Fac Sci & Technol, Dept Analyt Chem, POB 644, Bilbao 48080, Basque Country, Spain
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Gomez-Nubla, Leticia,Aramendia, Julene,Fdez-Ortiz de Vallejuelo, Silvia,et al. Detection of organic compounds in impact glasses formed by the collision of an extraterrestrial material with the Libyan Desert (Africa) and Tasmania (Australia)[J],2018,410(25):6609-6617.
APA Gomez-Nubla, Leticia,Aramendia, Julene,Fdez-Ortiz de Vallejuelo, Silvia,Castro, Kepa,&Manuel Madariaga, Juan.(2018).Detection of organic compounds in impact glasses formed by the collision of an extraterrestrial material with the Libyan Desert (Africa) and Tasmania (Australia).ANALYTICAL AND BIOANALYTICAL CHEMISTRY,410(25),6609-6617.
MLA Gomez-Nubla, Leticia,et al."Detection of organic compounds in impact glasses formed by the collision of an extraterrestrial material with the Libyan Desert (Africa) and Tasmania (Australia)".ANALYTICAL AND BIOANALYTICAL CHEMISTRY 410.25(2018):6609-6617.
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