The metal-poor end of the Spite plateau - II. Chemical and dynamical investigation A. M. Matas Pinto, M. Spite, E. Caffau, P. Bonifacio, L. Sbordone, T. Sivarani, M. Steffen, F. Spite, P. François and P. Di Matteo A&A, 654 (2021) A170 Published online: 27 October 2021 DOI: 10.1051/0004-6361/202141288