All Outputs (3)

New 40Ar/39Ar dating of the Antrim Plateau Volcanics, Australia: clarifying an age for the eruptive phase of the Kalkarindji continental flood basalt province (2018)
Journal Article
Marshall, P. E., Halton, A. M., Kelley, S. P., Widdowson, M., & Sherlock, S. C. (2018). New 40Ar/39Ar dating of the Antrim Plateau Volcanics, Australia: clarifying an age for the eruptive phase of the Kalkarindji continental flood basalt province. Journal of the Geological Society, 175(6), 974-985. https://doi.org/10.1144/jgs2018-035

The Kalkarindji flood basalt province of northern Australia erupted in the mid-Cambrian. Today, the province consists of scattered volcanic and intrusive suites, the largest being the Antrim Plateau Volcanics (APV) in Northern Territory. Accurate dat... Read More about New 40Ar/39Ar dating of the Antrim Plateau Volcanics, Australia: clarifying an age for the eruptive phase of the Kalkarindji continental flood basalt province.

Thallium concentration and thallium isotope composition of lateritic terrains (2018)
Journal Article
Howarth, S., Prytulak, J., Little, S. H., Hammond, S. J., & Widdowson, M. (2018). Thallium concentration and thallium isotope composition of lateritic terrains. Geochimica et cosmochimica acta, 239, 446-462. https://doi.org/10.1016/j.gca.2018.04.017

Continental weathering plays a key role in modifying the geochemical budget of terrestrial reservoirs. Laterites are the products of extreme sub-aerial continental weathering. This study presents the first investigation of thallium (Tl) abundances an... Read More about Thallium concentration and thallium isotope composition of lateritic terrains.

Th/U and U series systematics of saprolite: importance for the oceanic 234U excess (2018)
Journal Article
Suhr, N., Widdowson, M., McDermott, F., & Kamber, B. S. (2018). Th/U and U series systematics of saprolite: importance for the oceanic 234U excess. Geochemical Perspectives Letters, 6, 17-22. https://doi.org/10.7185/geochemlet.1803

The presence of excess 234U in seawater is a compelling argument for active delivery of solutes from the continents to the oceans. Previous studies found, however, that the complementary 234U deficit on the continents is surprisingly modest, which wo... Read More about Th/U and U series systematics of saprolite: importance for the oceanic 234U excess.