title: Megacryometeors: distribution on Earth and current research.
authors.affiliation: Planetary Geology Laboratory, Centro de Astrobiologia, Ctra de Ajalvir, Madrid, Spain. martinezfrias@mncn.csic.es
authors.forename: Jesus
authors.initials: J
authors.lastname: Martinez-Frias
authors.forename: Antonio Delgado
authors.initials: AD
authors.lastname: Huertas
mesh_terms: D018534:Earth, Planet; D005843:Geography; D007053:Ice; D019110:Meteoroids; D012106:Research
chemical_list: D007053:Ice