Single grain noble gas analysis of Antarctic micrometeorites by stepwise heating method with a newly constructed miniature furnace

Earth, Planets and Space

Table 4. Xe isotopic compositions of snow Antarctic micrometeorites extracted at 1600°C.

Name		¹³²Xe*		¹²⁸Xe/¹³²Xe		¹²⁹Xe/¹³²Xe		¹³⁰Xe/¹³²Xe		¹³¹Xe/¹³²Xe		¹³⁴Xe/¹³²Xe		¹³⁶Xe/¹³²Xe
D03IB05		0.0180		0.086		0.972		0.151		0.826		0.388		0.337
	±	0.0021	±	0.012	±	0.081	±	0.027	±	0.055	±	0.034	±	0.055
D03IB10		0.0211		0.100		1.039		0.146		0.743		0.357		0.313
	±	0.0026	±	0.024	±	0.069	±	0.018	±	0.083	±	0.037	±	0.063
D03IB18		0.0135		0.094		1.221		0.134		0.962		0.433		0.349
	±	0.0022	±	0.030	±	0.073	±	0.052	±	0.122	±	0.162	±	0.119
D03IB19		0.0320		0.072		1.029		0.150		0.748		0.400		0.339
	±	0.0045	±	0.032	±	0.123	±	0.035	±	0.128	±	0.058	±	0.114
D03IB30		0.0080		0.071		0.979		0.182		0.814		0.399		0.345
	±	0.0015	±	0.045	±	0.167	±	0.073	±	0.200	±	0.110	±	0.080
D03IB45		0.0143		0.059		1.016		0.173		0.805		0.437		0.343
	±	0.0018	±	0.011	±	0.095	±	0.059	±	0.097	±	0.083	±	0.040
D05IB20		0.0023		0.084		1.023		0.154		0.883		0.373		0.315
	±	0.0009	±	0.046	±	0.342	±	0.075	±	0.509	±	0.131	±	0.111
D05IB27		0.0016		0.081		0.995		0.143		0.788		0.360		0.312
	±	0.0001	±	0.013	±	0.033	±	0.011	±	0.036	±	0.037	±	0.033
D05IB74		0.0039		0.096		0.978		0.144		0.714		0.382		0.279
	±	0.0012	±	0.030	±	0.119	±	0.071	±	0.083	±	0.087	±	0.032