Siderophile element patterns, PGE nuggets and vapour condensation effects in Ni-rich quench chromite-bearing microkrysite spherules, ~3.24 Ga S3 impact unit, Barberton greenstone belt, Kaapvaal Craton, South Africa

Glikson, Andrew2015-12-070012-821Xhttp://hdl.handle.net/1885/19790Energy dispersive spectrometry (EDS), laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) track analyses of chlorite-dominated quench-textured microkrystite spherules and LA-ICPMS spot analyses of intra-spherule Ni-rich skeletal quenchKeywords: Astroid; Microkrystite; Nuggets; Platinum group elements; Siderophile elements; Spherule; Chlorite minerals; Chromite; Condensation; Fractionation; Nickel; Platinum; Trace elements; Mineralogy; chemical composition; chromite; condensation; inductively cou Astroid; Barberton greenstone belt; Impact; Microkrystite; Nuggets; Platinum group elements; Siderophile elements; SpheruleSiderophile element patterns, PGE nuggets and vapour condensation effects in Ni-rich quench chromite-bearing microkrysite spherules, ~3.24 Ga S3 impact unit, Barberton greenstone belt, Kaapvaal Craton, South Africa200710.1016/j.epsl.2006.10.0052015-12-07