Description
We present the rock-magnetic stratigraphy for Ocean Drilling Program (ODP) Leg 105, Site 645 (Baffin Bay). Variations in magnetic mineral concentration (X) and particle size (XAKM/X) are used to correlate advanced piston corer (APC) cores from several holes at Site 645. Downsite variations in rock-magnetic parameters and carbonate content are placed within the framework of inferred changes in sedimentation. These results suggest an initiation of Northern Hemisphere ice rafting in Baffin Bay in the early-late Pliocene (approximately 3.4 Ma).
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Cited on 01 January 2026
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Publication Details
Subfield
Geology
Field
Earth and Planetary Sciences
Domain
Physical Sciences
Confidence Score
100%
Source
Open Alex
Keywords
Sample code/labelDEPTH, sediment/rockSample massSusceptibility, specificARM, Susceptibility, per unit massARM, Susceptibility/susceptibilitySaturated isothermal remanent magnetization, per unit massHard isothermal remanent magnetization, per unit massS-ratio (hematite/magnetite)Composite CoreDSDP/ODP/IODP sample designationLeg105Joides ResolutionOcean Drilling Program (ODP)