. "Eocene To Miocene Rocks (Undifferentiated)"@en . "0.0"^^ . . "Eocene To Miocene Rocks (Undifferentiated)"@en . "The unit mainly comprises formations that are dominated by clay, silt and sand, in some of which lignite is present, but also includes some deposits in which gravel is dominant."@en . "EOMIO"@en . "0.0"^^ . "stable"@en . "Clay, gravel, sand and silt and trace lignite. Bedrock. Occurs both onshore and offshore. Age not entered."@en .