. "Marine Isotope Stage 12"@en . "stable"@en . "0.423"^^ . "Marine Isotope Stage 12"@en . . "0.48"^^ . "Marine Isotope Stage 12 (Mid Pleistocene) (Geologic Time Scale 2020, fig. 30.2; BGS British Regional Geology: Northern England (Fifth edition), fig. 64)."@en . . "QMIS012"@en . .