The effects of low degree alteration on Sm-Nd and U-Pb isotope systematics in Eoarchean basalts from the Doolena Gap and Warralong Greenstone belts, Pilbara Craton, Western Australia

Hepple, Robert Alexander (2014) The effects of low degree alteration on Sm-Nd and U-Pb isotope systematics in Eoarchean basalts from the Doolena Gap and Warralong Greenstone belts, Pilbara Craton, Western Australia. Masters by Research thesis, Queensland University of Technology.

Abstract

This research led to the discovery of one of the best preserved remnants of the Earth's surficial environment 3.47 billion years ago. These ancient volcanic and sedimentary rocks contain original minerals and textures that are rare in rocks of this age. The research concentrated on chemical analysis of volcanic rocks to differentiate secondary alteration from the primary magmatic signature. This study contributes to our understanding of melting processes and geochemical reservoirs in the early Earth, which is vital for forward modelling of Earth's geodynamic evolution.

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ID Code: 74860
Item Type: QUT Thesis (Masters by Research)
Supervisor: Murphy, David & Gust, David
Keywords: Pilbara Craton, Acid Leaching, Samarium-Neodymium Isotope, Paleoarchean, Greenstone belt, Metabasalt, Uranium-Lead Isotope
Divisions: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Institution: Queensland University of Technology
Deposited On: 29 Aug 2014 04:49
Last Modified: 04 Sep 2015 00:56

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