Fig. 7: Histogram and density distribution for 40Ar/39Ar ages of 228 individual ice-rafted ( > 250 μm) hornblende, biotite and mica grains derived from the early Pliocene greenish grey facies at sites U1532 and U1533.
From: West Antarctic ice retreat and paleoceanography in the Amundsen Sea in the warm early Pliocene

Bin width is 10 Myr. Source data are provided as a Source Data file.