Media type: E-Article Title: Annual review of earth and planetary sciences Contributor: Longstaffe, Fred J. Published: Elsevier BV, 1980 Published in: Geochimica et Cosmochimica Acta, 44 (1980) 1, Seite 145 Language: English DOI: 10.1016/0016-7037(80)90186-6 ISSN: 0016-7037 Keywords: Geochemistry and Petrology Origination: Footnote: