Transport of uranium, thorium, and lead in metamict zircon ...
Nov 15, 2002· 1. Introduction. Zircon is a common accessory mineral in a variety of igneous, metamorphic and sedimentary rocks. It is the most commonly used mineral phase in U–Pb geochronology and is a potential host phase for the disposal of weaponsgrade plutonium due to its capacity to structurally incorporate actinide ions Ewing et al., 1995, Ewing, 1999. ...