Glaucony authigenesis, maturity and alteration in the Weddell Sea: An indicator of paleoenvironmental conditions before the onset of Antarctic glaciation

Adrián López‐Quirós, Carlota Escutia, Antonio Sánchez‐Navas, Fernando Nieto, Antonio García‐Casco, Agustín Martín‐Algarra, Dimitris Evangelinos, Ariadna Salabarnada

Three types of glaucony grains were identified in the late Eocene (~35.5-34.1 Ma) sediments from Ocean Drilling Program (ODP) Hole 696B in the northwestern W...