Table 2.

Samples analysed. (BM, Natural History Museum, London; MWG, Meteorite Working Group, USA; NIPR, National Institute of Polar Research, Japan. BS, basaltic shergottite; LS, lherzholitic shergottite; OS, olivine-phyric shergottite; C, chassignite; N, nakhlite; O, orthopyroxenite. SC, stepped combustion; AD, acid dissolution.)

Sample	source	type	method	[C] (p.p.m.)	δ13C (‰)
Los Angeles	BM	BS	SC	6.5	−24.3
QUE 94201	MWG	BS	SC	1.3	−23.1
Shergottya	BM	BS	SC	4.3	−19.4
Zagamia	BM	BS	SC	52.8	−22.7
DaG 476	BM	OS	SC	6.0	−22.1
SAU 005	BM	OS	SC	8.2	−16.4
ALHA 77005	MWG	LS	SC	1.7	−21.4
LEW 88516	MWG	LS	SC	1.8	−20.2
Chassignya	BM	C	SC	2.1	−20.8
Governador Valadares	BM	N	AD	27	+11
Lafayette	BM	N	AD	10	+1
Nakhlaa	BM	N	AD	26–55	+13 to +49
Y 000593	NIPR	N	AD	132–181	+38
ALH 84001	MWG	O	AD	280	+41

^aMeteorites observed to fall.