·Supplement the data measured

by NanoSIMS

·Explore the reliability and accu-

racy of the method

·Explore the formation mechan-

ism of metal phases in chondrules

References: [1] Okabayashi, S., et al. (2019) GCA, 244, 197-215. [2] Bouvier, A., et al. (2017) Meteoritics & Planet. Sci., 52, 2284-2284. [3] Walker, R. J. (2014) Philos. Trans. R. Soc. A-Math. Phys. Eng. Sci., 372, 20130258-20130258. [4] Hoppe, P. (2006) Appl. Surf. Sci., 252, 7102-7106. [5] Ca-mpbell, A. J. and M. J. G. E. C. A. Humayun (2004) 68, 3409-3422. [6] Rubin, A. E., et al. (2003) 67, 3283-3298. [7] Campbell, A. J., et al. (2002) GCA, 66, 647-660. [8] Campbell, A. J., et al. (2001) GCA, 65, 163-180. [9] Hsu, W., et al. (2000) GCA, 64, 1133-1147. [10] Kong, P. and M. J. G. E. C. A. Ebihara (1997) 61, 2317-2329. [11] Kong, P. and M. J. G. c. a. Ebihara (1996) 60, 2667-2680. [12] Sylvester, P. J., et al. (1990) GCA, 54, 3491-3508. [13] Buchwald, V. F. (1975).UC Press, 2, 647-650.Ebihara (1997) 61, 2317-2329. [11] Kong, P. and M. J. G. c. a. Ebihara (1996) 60, 2667-2680. [12] Sylvester, P. J., et al. (1990) GCA, 54, 3491-3508. [13] Buchwald, V. F. (1975).UC Press, 2, 647-650.

Compared to INAA, RNAA, ICP-AES, ICP-MS, LA-ICP-MS

and SIMS

Nanoscale secondary ion mass spectrometry (NanoSIMS)

1 State Key Laboratory of Space Weather, National Space Science Center, Chinese Academy of Sciences; 2 University of Chinese Academy of Sciences (qinlang@nssc.ac.cn); 3 Institute of Geology and Geophysics, Chinese Academy of Sciences