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A Quaternary record of fine‐grained sediment composition is used to investigate Arctic Ocean climate variability on glacial–interglacial time scales. Diffuse spectral reflectance data from sediment core P1‐92AR‐P25 from the Northwind Ridge, north of Alaska, demonstrates cyclic variations in mineralogy. Varimax‐rotated R‐mode factor analysis of down‐core data revealed three major mineralogical assemblages,...
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