Supplemental material: Ridge-trench interactions and the Neogene tectonic evolution of the Magdalena shelf and southern Gulf of California: Insights from detrital zircon U-Pb ages from the Magdalena Fan and adjacent areas FletcherJ.M. 2007 GSA Data Repository Item 2007194, GSA Bulletin, Vol. 119, p. 1313. File size: 55 p., about 231 KB.