"FLMI"@en . "stable"@en . "321.5"^^ . . . . "320.0"^^ . "Fletcher Bank Grit and Midgley Grit (Undifferentiated)"@en . . . "Fletcher Bank Grit and Midgley Grit (Undifferentiated)"@en . . "Bedrock. Occurs onshore. Formed during the Marsdenian Substage (Carboniferous Period) (321.5-320 Ma BP)."@en . . .