Jon Woodhead

Multi-scale isotopic heterogeneity reveals a complex magmatic evolution: An example from the wallundry suite granitoids of the lachlan fold belt, Australia

KA Iles, JM Hergt, JD Woodhead

Journal article  |  2023  |  Frontiers in Earth Science

Open-system magmatic processes are expected to impart various sorts of isotopic heterogeneity upon the igneous rocks they produce...

Cave opening and fossil accumulation in Naracoorte, Australia, through charcoal and pollen in dated speleothems

Rieneke Weij, Jon D Woodhead, JM Kale Sniderman, John C Hellstrom, Elizabeth Reed, Steven Bourne, Russell N Drysdale, Timothy J Pollard

Journal article  |  2022  |  COMMUNICATIONS EARTH & ENVIRONMENT

Caves are important fossil repositories which provide records extending back over million-year timescales. While the physical proc..

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..

Examining sediment infill dynamics at Naracoorte cave megafauna sites using multiple luminescence dating signals

LJ Arnold, M Demuro, R Power, undefined Priya, M Duval, V Guilarte, R Weij, J Woodhead, L White, S Bourne, EH Reed

Journal article  |  2022  |  Quaternary Geochronology

Relatively little is known about the long-term sediment accumulation dynamics of Naracoorte Cave Complex (NCC) solution pipe cavit..

238U/206Pb age of the fossil sinter crust (flowstone) covering fault walls of a Badenian neptunian dyke (Devín quarry, Western Carpathians)

F Marko, J Woodhead, D Scholz, V Hurai, A Lačný

Journal article  |  2022  |  Geologica Carpathica

Here, we report on the first radiometric dating of pre-Quaternary sinters covering the ENE–WSW striking vertical faults filled wit..

Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion

Andrea Giuliani, Russell N Drysdale, Jon D Woodhead, Noah J Planavsky, David Phillips, Janet Hergt, William L Griffin, Senan Oesch, Hayden Dalton, Gareth R Davies

Journal article  |  2022  |  SCIENCE ADVANCES

Earth's carbon cycle is strongly influenced by subduction of sedimentary material into the mantle. The composition of the sediment..

Timescales of speleogenesis in an evolving syngenetic karst: The Tamala Limestone,Western Australia

J Woodhead, K Sniderman, J Hellstrom, R Weij, C MacGregor, B Dickson, R Drysdale, M Delane, D Henke, L Bastian, A Baynes

Journal article  |  2022  |  Geomorphology

The Tamala Limestone, a vast Quaternary carbonate sequence exposed on the coast of Western Australia, forms one of the most geogra..

Low impact sampling of speleothems - reconciling scientific study with cave conservation

Claire LV MacGregor, John C Hellstrom, Jon D Woodhead, Russell N Drysdale, Rolan S Eberhard

Journal article  |  2022  |  INTERNATIONAL JOURNAL OF SPELEOLOGY

Speleothems are increasingly valued as important paleoclimate archives and yet the removal of samples from caves can come at a cos..