Roland Maas

Testing Nano-Powder and Fused-Glass Mineral Reference Materials for In Situ Rb-Sr Dating of Glauconite, Phlogopite, Biotite and Feldspar via LA-ICP-MS/MS

A Redaa, J Farkaš, S Gilbert, AS Collins, S Löhr, D Vasegh, M Forster, M Blades, T Zack, A Giuliani, R Maas, A Baldermann, M Dietzel, D Garbe-Schönberg

Journal article  |  2023  |  Geostandards and Geoanalytical Research

Reference materials (RMs) with well-characterised composition are necessary for reliable quantification and quality control of iso..

Geodynamic and Isotopic Constraints on the Genesis of Kimberlites, Lamproites and Related Magmas From the Finnish Segment of the Karelian Craton

Hayden Dalton, Andrea Giuliani, Janet Hergt, David Phillips, Hugh O'Brien, Maxim D Ballmer, Roland Maas, Jon Woodhead

Journal article  |  2022  |  GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS

Despite the scientific and economic significance of kimberlites and related magmas, their origin is unclear. Here, we address this..

Implications of high-Mg# adakitic magmatism at Hunter Ridge for arc magmatism of the Fiji - Vanuatu region

A McCarthy, TJ Falloon, LV Danyushevsky, I Sauermilch, M Patriat, MM Jean, R Maas, JD Woodhead, GM Yogodzinski

Journal article  |  2022  |  Earth and Planetary Science Letters

The mostly submarine Hunter Ridge, located in the SW Pacific records a ∼12 Myr to present history of magmatism related to the open..

The utility of rapid throughput single-collector sector-field ICP-MS for soil Pb isotope studies

Candan Ulgen Desem, Roland Maas, Jon Woodhead, Graham Carr, Alan Greig

Journal article  |  2022  |  APPLIED GEOCHEMISTRY

Lead (Pb) isotope tracing is widely used in environmental monitoring and public health studies, to determine the provenance of agr..

Potential field modelling and U-Pb geochronology reveal the pluton emplacement dynamics of the Lower Devonian Tarnagulla Granodiorite, southeast Australia

MP Sambrooks, MA McLean, RA Cayley, R Maas, RJ Duncan, CP Cairns, J Ramezani

Journal article  |  2022  |  AUSTRALIAN JOURNAL OF EARTH SCIENCES

The Tarnagulla Granodiorite in the western Lachlan Fold Belt is poorly exposed; however, magnetic data reveal its distinct U shape..

Formation of Sediment-Hosted Opal-AG at Lightning Ridge (New South Wales, Australia): Refining the Deep Weathering Model

J Herrmann, R Maas

Journal article  |  2022  |  Journal of Geology

Formation of sedimentary opal-AG in opal fields of eastern Australia has been linked to intensive weathering of their Cretaceous h..

Carbonates at the supergiant Olypmic Dam Cu-U-Au-Ag deposit, South Australia part 2: Sm-Nd, Lu-Hf and Sr-Pb isotope constraints on the chronology of carbonate deposition

Roland Maas, Olga B Apukhtina, Vadim S Kamenetsky, Kathy Ehrig, Peter Sprung, Carsten Muenker

Journal article  |  2021  |  ORE GEOLOGY REVIEWS

Mineralization at the supergiant Cu-U-Au-Ag Olympic Dam deposit (South Australia), the ‘uranium endmember’ of the iron-oxide coppe..

Staged formation of the supergiant Olympic Dam uranium deposit, Australia

Kathy Ehrig, Vadim S Kamenetsky, Jocelyn McPhie, Edeltraud Macmillan, Jay Thompson, Maya Kamenetsky, Roland Maas

Journal article  |  2021  |  GEOLOGY

The origins of many supergiant ore deposits remain unresolved because the factors responsible for such extreme metal enrichments a..

Primitive high-K intraoceanic arc magmas of Eastern Kamchatka: Implications for Paleo-Pacific tectonics and magmatism in the Cretaceous

Anton V Kutyrev, Vadim S Kamenetsky, Jung-Woo Park, Roland Maas, Elena I Demonterova, Tatiana N Antsiferova, Alexei V Ivanov, Jiwon Hwang, Adam Abersteiner, Alexei Yu Ozerov

Journal article  |  2021  |  Earth-Science Reviews

Tectonic reconstructions of the Cretaceous paleo-Pacific system show several significant tectonic and magmatic events, including t..

Population demographics of golden perch (Macquaria ambigua) in the Darling River prior to a major fish kill: a guide for rehabilitation

Brenton P Zampatti, Benjamin G Fanson, Lee J Baumgartner, Gavin L Butler, Steven G Brooks, David A Crook, Katherine Doyle, Alison J King, Wayne M Koster, Roland Maas, Aleksey Sadekov, Peter Scott, Arron Strawbridge, Jason D Thiem, Zeb Tonkin, Phillipa J Wilson, Jon Woodhead, Ryan Woods

Journal article  |  2021  |  MARINE AND FRESHWATER RESEARCH

An understanding of population demographics and life history processes is integral to the rehabilitation of fish populations. In A..