title: Lateral heterogeneity in the Earth's mantle.
abstract: The characteristics of seismic waves detected at the Large Aperture Seismic Array in Montana suggest that, beneath the Bonin Island Arc in particular, there are lateral inhomogeneities in the mantle.
authors.affiliation: Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Massachusetts 02173, USA.
authors.forename: D
authors.initials: D
authors.lastname: Davies
authors.forename: R M
authors.initials: RM
authors.lastname: Sheppard