Christopher Ryan

Carbonate Replacement as the Principal Ore Formation Process in the Proterozoic McArthur River (HYC) Sediment-Hosted Zn-Pb Deposit, Australia

Sam C Spinks, Mark A Pearce, Weihua Liu, Marcus Kunzmann, Chris G Ryan, Gareth F Moorhead, Robin Kirkham, Teagan Blaikie, Heather A Sheldon, Peter M Schaubs, William DA Rickard

Journal article  |  2021  |  ECONOMIC GEOLOGY

The McArthur River (HYC) Zn-Pb-Ag deposit in the Carpentaria Zn belt, northern Australia, is one of the world's largest and most s..

Biogenicity of Spicular Geyserite from Te Kopia, New Zealand: Integrated Petrography, High-Resolution Hyperspectral, and Elemental Analysis

Richard J Murphy, Martin J Van Kranendonk, Raphael Baumgartner, Chris Ryan

Journal article  |  2020  |  ASTROBIOLOGY

Hyperspectral and micro X-ray fluorescence (μXRF) imagery were used to derive maps of mineralogy and elemental chemistry from a sa..

The XFM beamline at the Australian Synchrotron

Daryl L Howard, Martin D de Jonge, Nader Afshar, Chris G Ryan, Robin Kirkham, Juliane Reinhardt, Cameron M Kewish, Jonathan McKinlay, Adam Walsh, Jim Divitcos, Noel Basten, Luke Adamson, Tom Fiala, Letizia Sammut, David J Paterson

Journal article  |  2020  |  JOURNAL OF SYNCHROTRON RADIATION

The X-ray fluorescence microscopy (XFM) beamline is an in-vacuum undulator-based X-ray fluorescence (XRF) microprobe beamline at t..

Formation of micro-spherulitic barite in association with organic matter within sulfidized stromatolites of the 3.48 billion-year-old Dresser Formation, Pilbara Craton

Raphael J Baumgartner, Martin J Van Kranendonk, Marco L Fiorentini, Anais Pages, David Wacey, Charlie Kong, Martin Saunders, Chris Ryan

Journal article  |  2020  |  GEOBIOLOGY

The shallow marine and subaerial sedimentary and hydrothermal rocks of the ~3.48 billion-year-old Dresser Formation are host to so..

Life on the edge: Microbial biomineralization in an arsenic- and lead-rich deep-sea hydrothermal vent

Si-Yu Hu, Stephen J Barnes, Anais Pages, Joanna Parr, Ray Binns, Michael Verrall, Zakaria Quadir, William DA Rickard, Weihua Liu, Denis Fougerouse, Kliti Grice, Louise Schoneveld, Chris Ryan, David Paterson

Journal article  |  2020  |  CHEMICAL GEOLOGY

Accumulation of transition metals and metalloids in sulfidized stromatolites of the 3.48 billion-year-old Dresser Formation, Pilbara Craton

Raphael J Baumgartner, Martin J Van Kranendonk, Anais Pages, Marco L Fiorentini, David Wacey, Chris Ryan

Journal article  |  2020  |  PRECAMBRIAN RESEARCH

Endosperm prevents toxic amounts of Zn from accumulating in the seed embryo - an adaptation to metalliferous sites in metal-tolerant Biscutella laevigata

Alicja Babst-Kostecka, Wojciech J Przybylowicz, Antony van der Ent, Chris Ryan, Charlotte C Dietrich, Jolanta Mesjasz-Przybylowicz

Journal article  |  2020  |  METALLOMICS

Seed germination represents the first crucial stage in the life cycle of a plant, and the seed must contain all necessary transiti..

Imaging trace-element zoning in pyroxenes using synchrotron XRF mapping with the Maia detector array: Benefit of low-incident energy

Stephen J Barnes, David Paterson, Teresa Ubide, Louise E Schoneveld, Chris Ryan, Margaux Le Vaillant

Journal article  |  2020  |  AMERICAN MINERALOGIST

Abstract Trace-element zoning in igneous phenocrysts and cumulus phases is an informative record of magmatic evolut..

Micron-scale distribution of metals in Cambrian metalliferous shales, South China: Insights into local biologically driven redox disequilibrium

Anais Pages, Steve Barnes, Susanne Schmid, Chris Ryan, David Paterson, Colin MacRae, Jamie Laird, Margaux Le Vaillant, Haifeng Fan, Hanjie Wen

Journal article  |  2019  |  CHEMICAL GEOLOGY

PIXE imaging of hyperaccumulator plants using the Maia detector array

Jamie S Laird, Chris G Ryan, Robin A Kirkham, Antony van der Ent, David N Jamieson

Journal article  |  2019  |  NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS

With its large solid angle and an input count rate beyond 10 M/s, the PIXE Maia system, recently commissioned on the CSIRO-MARC NM..