Reposted by Christine Siddoway
New paper out now in EPSL!
Pb isotopes and Rb–Sr geochronology via laser ablation of feldspar grains from West Antarctica. This developing method with some added ML clustering spice exposes crustal fragments, tectonic boundaries and metamorphic events hidden under the ice.
tomarney.com
West Antarctic subglacial geology distinguished by Pb isotopes and Rb–Sr ages in ice-rafted feldspars
Multi-proxy fingerprints via Rb–Sr isochrons from detrital Pb-isotope populations reveal Antarctic geology and set the stage for future studies of ice sheet history.
