A new carbon-rich ureilite from Morocco

被引：0
|
作者：
Ibhi, Abderrahmane [1 ,2 ]
Khiri, Fouad [1 ,2 ]
Ouknine, Lahcen [1 ,2 ]
Ait Touchnt, Ahmed [2 ]
Capitelli, Francesco [3 ]
De Pascale, Olga [4 ]
Senesi, Giorgio S. [4 ]
机构：
[1] Ibn Zohr Univ, Fac Sci, Petr Mineral & Meteorites Lab, BP 8106, Agadir, Morocco
[2] Ibn Zohr Univ, Univ Meteorites Museum, Agadir, Morocco
[3] CNR, Ist Cristallog IC, Via Salaria Km 29-300, I-00016 Rome, Italy
[4] CNR, Ist Sci & Tecnol Plasmi ISTP, Via Amendola 122-D, I-70126 Bari, Italy
来源：
RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI | 2021年 / 32卷 / 04期
关键词：
Meteorite; Ureilite; Carbon-rich; Diamond; SEM-EDS; ALMAHATA SITTA; ORIGIN; DIAMOND; METAMORPHISM; GRAPHITE;
D O I：
10.1007/s12210-021-01013-0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The main objective of this study was to provide a preliminary analysis of the meteorite North West Africa (NWA) 12606 recently classified as ureilite, which was found in 2018 in Morocco, to unveil the possible presence of diamonds. The preliminary analysis of the surface of a meteorite fragment by scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and optical microscopy has shown that it mainly consisted of olivine, minor pyroxene and carbon phases possibly including carbon in the form of diamonds. The results achieved are preliminary to a further deeper study of this meteorite as the diamond origin in ureilites is still an open issue debated among the scientific community due to its significant implications for the sizes of early Solar System bodies. [GRAPHICS] .
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收藏
页码：709 / 713
页数：5
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