TY - JOUR A1 - Morgan, L. E. T1 - Potassium isotopic variability and implications for 40K-based geochronology JO - Geochronology Discuss. J1 - GChronD VL - 2020 SP - 1 EP - 9 Y1 - 2020/06/19 PB - Copernicus Publications SN - 2628-3735 UR - https://gchron.copernicus.org/preprints/gchron-2020-18/ L1 - https://gchron.copernicus.org/preprints/gchron-2020-18/gchron-2020-18.pdf DO - 10.5194/gchron-2020-18 ER -