Pownall JM, Waters DJ, Searle MP, Shail RK, Robb LJJournal article Journal:GeosphereVolume:8Issue:6, Geological Society of America, pp.1467 - 1504No abstract availableKeywords:37 Earth Sciences , 3703 Geochemistry , 3705 Geology , 3706 Geophysics DOI10.1130/ges00802.1