90˚ 120˚ 150˚ −180˚ −150˚ −120˚ −90˚ −60˚ −30˚ 0˚ 30˚ 60˚

−60˚

−40˚

−20˚

0˚

20˚

40˚

60˚

80˚

DSDPODPIODP

KCC GCR BCR

IODP core repositories:BCR: Bremen, GermanyGCR: College Station, TexasKCC: Kochi, Japan