Melt Migration in Oceanic Crustal Production: A U-Series Perspective

T. Elliott*, M. Spiegelman

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

6 Citations (Scopus)

Abstract

The aim of this chapter is to review the observations of uranium series nuclide studies on mid-ocean ridge basalts (MORBs) and discuss their implications for melt transport processes. We initially recap the fundamental behavior of the naturally occurring actinide decay chains, and outline the analytical challenges of their measurement. We then evaluate the gross signatures of disequilibrium observed in MORBs and consider the co-variations of disequilibria with other geochemical and geophysical parameters. This is followed by a detailed discussion of models of melt transport that have been developed to account for these observations, allowing a synthesis of the key constraints that uranium-series measurements provide on the process of melt migration beneath mid-oceanic ridges.

Original languageEnglish
Title of host publicationTreatise on Geochemistry: Second Edition
PublisherJAI-Elsevier Science Inc
Pages543-581
Number of pages39
Volume4
ISBN (Print)9780080983004
DOIs
Publication statusPublished - 1 Nov 2013

Keywords

  • Actinide Decay Chains
  • Melt Migration
  • Melt Transport
  • Mid-Ocean Ridge Basalts
  • U-Series

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