biostudies-literaturePryor EJHorizon 2020 Marie Skłodowska-Curie ActionsHorizon 2020Natural Environment Research Council102718https://www.ebi.ac.uk/biostudies/studies/S-EPMC11041909biostudies-literatureUnknown12The isolation of specific grain size classes of lithogenic samples and biogenic carbonate from the <63 µm fraction (i.e. clay and silt) of marine sediment is often a prerequisite to further pre-treatments and/or analytical measurements for palaeoceanographic studies. Established techniques employed have included sieving, settling and micro-filtration (and/or a combination of these). However, these methods often use significant amounts of bulk sediment (often up to ∼3 g) and/or require considerable amounts of time during sediment processing (ranging from 48 h to 3 weeks) to isolate a size specific class for further analyses. Here, we build on previous approaches to isolate three grain size classes (e.g. <2 µm, clay; 2-10 µm, fine silt; and 10-63 µm, coarse silt) from the <63 µm fraction of MethodsXRecommended centrifuge method: Specific grain size separation in the <63 µm fraction of marine sediments.PMC11041909NE/L002434/1885498Pryor EJvan der Lubbe HJLHall IRSimon MHTangunan DfalseRecommended centrifuge method: Specific grain size separation in the <63 µm fraction of marine sediments.The isolation of specific grain size classes of lithogenic samples and biogenic carbonate from the <63 µm fraction (i.e. clay and silt) of marine sediment is often a prerequisite to further pre-treatments and/or analytical measurements for palaeoceanographic studies. Established techniques employed have included sieving, settling and micro-filtration (and/or a combination of these). However, these methods often use significant amounts of bulk sediment (often up to ∼3 g) and/or require considerable amounts of time during sediment processing (ranging from 48 h to 3 weeks) to isolate a size specific class for further analyses. Here, we build on previous approaches to isolate three grain size classes (e.g. <2 µm, clay; 2-10 µm, fine silt; and 10-63 µm, coarse silt) from the <63 µm fraction of 2024-01-01T00:00:00Z2024 Jun2025-04-22T20:45:37.173Z2025-04-06T03:15:42.721ZS-EPMC110419093866003710.1016/j.mex.2024.102718