Snowball earth

• Autores: Richard Webb
• Localización: New scientist, ISSN 0262-4079, Nº. 3030, 2015, págs. 31-32
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Webb talks about the snowball Earth idea which remains controversial. Some geologists opt for a less harsh slushball Earth variant. Joseph Kirschvink thinks the sheer geographical spread of glacial deposits now dated to the same time tell their own story.