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Abstract The widespread formation of organic rich sediments in south-east Australia during the Holocene (Marine Isotope Stage [MIS] 1) reflects the return of wetter and warmer climates following the Last Glacial Maximum (LGM). Yet, little is known about whether a similar event occurred in the region during the previous interglacial (MIS 5e). A 6.8 m sediment core (#LC2) from the now ephemeral Lake Couridjah, Greater Blue Mountains World Heritage Area, Australia, provides insight into this question. Organic rich sediments associated with both MIS 1 and 5e are identified using C and optically stimulated luminescence (OSL) dating techniques. Also apparent are less organic sedimentary units representing MIS 6, 5d and 2 and a large depositional hiatus. Sediment δ C values (−34 to −26‰) suggests that C vegetation dominates the organic matter source through the entire sequence. The pollen record highlights the prevalence of sclerophyll trees and shrubs, with local hydrological cha

New south walesMarine isotope stageLast glacial maximumLake couridjahGreater blue mountains world heritage areaOptically stimulated luminescenceStable isotopesVegetation dynamicsபுதியது தெற்கு வேல்ஸ்கடல் ஐசோடோப்பு நிலைகடந்த பனிப்பாறை அதிகபட்சம்அதிகமானது நீலம் மலைகள் உலகம் பாரம்பரியம் பரப்பளவு