Phosphate ages in Apollo 14 breccias: Resolving multiple impact events with high precision U–Pb SIMS analyses
J.F. Snape, A.A. Nemchin, M.L. Grange, J.J. Bellucci, F. Thiessen, M.J. Whitehouse Geochimica et Cosmochimica Acta Volume 174, 1 February 2016, Pages 13–29 LINK “The U–Pb systems of apatite and merrillite grains within four separate…