Figure 1.

(A) Map showing locations of home institutions of the 135 submitted student proposals over three AGeS (Awards for Geochronology Student research) proposal cycles, along with the funded projects. (B) Map showing locations of the 43 AGeS geochronology labs. (C) Plot of techniques available at AGeS labs. LA-ICP-MS—laser ablation–inductively coupled plasma–mass spectrometry; SIMS—secondary ion mass spectrometry; TIMS—thermal ionization mass spectrometry.