"143.1"^^ . . . . "stable"@en . . "Limestone and mudstone. Bedrock. Occurs onshore. Formed during the Jurassic Period (201.4-143.1 Ma BP)."@en . . "Jurassic Rocks (Undifferentiated)"@en . "201.4"^^ . . "JURA"@en . "Jurassic Rocks (Undifferentiated)"@en .