Earth, Planets and Space

Table 1 Summary of analyzed carbonaceous grains in Y-791198

From: The universal sample holders of microanalytical instruments of FIB, TEM, NanoSIMS, and STXM-NEXAFS for the coordinated analysis of extraterrestrial materials

Carbonaceous grain	TEM observation diameter (nm)	NanoSIMS analysis
Carbonaceous grain	TEM observation diameter (nm)	δ13C (PDB) ‰	δ15N (Air) ‰	δ15D (SMOW) ‰
G1	650	289 ± 33	− 307 ± 30	1457 ± 187
G2	1000	− 117 ± 25	33 ± 55	2335 ± 154
G3	800	− 178 ± 27	302 ± 37	219 ± 112
G4	650	42 ± 21	348 ± 27	1128 ± 174

Errors are 1 sigma
PDB Pee Dee Belemnite, SMOW standard mean ocean water

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