title: Three-Dimensional Elemental Imaging of Nantan Meteorite via Femtosecond Laser Ionization Time-of-Flight Mass Spectrometry.
abstract: Femtosecond laser ionization time-of-flight mass spectrometry (fs-LI-TOFMS) is introduced for the three-dimensional elemental analysis of a Nantan meteorite. Spatially resolved multielemental imaging of major and minor compositions in a meteorite are presented with a lateral resolution of 50 μm and a depth resolution of 7 μm. Distinct 3D distributions of siderophile, lithophile, and chalcophile elements are revealed. Co and Ni are highly siderophile (Iron-loving), mainly enriched in the metal phase. Cr, Cu, V, and Mn are enriched in the sulfide for their chalcophile (S-loving) tendency. S, P, and C aggregate together in the analytical volume. Silicate inclusion, containing lithophile elements of Al, Ca, Mg, K, and so on, is embedded within the metal phase for the immiscibility between silicate inclusion and the melted metal phase. These 3D distributions of elements aid the exploration of the formation and evolution of the meteorite. They also reveal the feasibility of fs-LI-TOFMS as a versatile tool for 3D imaging.
authors.affiliation: Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University , Xiamen, Fujian 361005, China.
authors.forename: Miaohong
authors.initials: M
authors.lastname: He
authors.affiliation: Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University , Xiamen, Fujian 361005, China.
authors.forename: Yifan
authors.initials: Y
authors.lastname: Meng
authors.affiliation: Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University , Xiamen, Fujian 361005, China.
authors.forename: Shanshan
authors.initials: S
authors.lastname: Yan
authors.affiliation: Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University , Xiamen, Fujian 361005, China.|State Key Laboratory of Marine Environmental Science, Xiamen University , Xiamen, Fujian 361005, China.
authors.forename: Wei
authors.identifier: 0000-0002-9145-3181
authors.initials: W
authors.lastname: Hang
authors.affiliation: Key Laboratory for High Temperature and High Pressure Study of the Earth's Interior, Institute of Geochemistry, Chinese Academy of Sciences , Guiyang, Guizhou 550081, China.
authors.forename: Wenge
authors.initials: W
authors.lastname: Zhou
authors.affiliation: Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis and Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University , Xiamen, Fujian 361005, China.
authors.forename: Benli
authors.initials: B
authors.lastname: Huang