The submarine Amsterdam-St. Paul (ASP) Plateau, bisected by the Southeast Indian Ridge (SEIR), is a bathymetric high rising ~2 km above the surrounding seafloor that includes the islands of Amsterdam and St. Paul; this excess volcanism is attributed to a mantle hot spot. We obtained new Sr, Nd, and Pb...
Glacial sedimentary sequences in the north central United States record multiple advances of the
Laurentide Ice Sheet (LIS) since ~2 Ma. Although the tills found in these sequences were deposited by
southward flowing glacial lobes, little information is available on the geometry of flow lines in the interior
of the...