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A high resolution record of seawater osmium isotopic composition (35 samples over the past 191,000 yr) has been obtained from sediments from Ocean Drilling Program (ODP) Leg 165 Site 1002 in the Cariaco Basin, Venezuela. Strong correlations are observed between 187 Os/ 188 Os and both the local and global oxygen isotopic records, with less radiogenic values observed during glacial...
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