AUTHOR=Manea Vlad Constantin , Manea Marina , Chen Min , van Hunen Jeroen , Konrad-Schmolke Matthias TITLE=Editorial: Unusual Subduction Processes JOURNAL=Frontiers in Earth Science VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2020.607697 DOI=10.3389/feart.2020.607697 ISSN=2296-6463