Articles | Volume 2, issue 2
Geochronology, 2, 283–303, 2020
https://doi.org/10.5194/gchron-2-283-2020
Geochronology, 2, 283–303, 2020
https://doi.org/10.5194/gchron-2-283-2020

Research article 22 Oct 2020

Research article | 22 Oct 2020

Resolving multiple geological events using in situ Rb–Sr geochronology: implications for metallogenesis at Tropicana, Western Australia

Hugo K. H. Olierook et al.

Related authors

Efficiency and robustness in Monte Carlo sampling for 3-D geophysical inversions with Obsidian v0.1.2: setting up for success
Richard Scalzo, David Kohn, Hugo Olierook, Gregory Houseman, Rohitash Chandra, Mark Girolami, and Sally Cripps
Geosci. Model Dev., 12, 2941–2960, https://doi.org/10.5194/gmd-12-2941-2019,https://doi.org/10.5194/gmd-12-2941-2019, 2019
Short summary
Bayesian geological and geophysical data fusion for the construction and uncertainty quantification of 3D geological models
Hugo K. H. Olierook, Richard Scalzo, David Kohn, Rohitash Chandra, Ehsan Farahbakhsh, Gregory Houseman, Chris Clark, Steven M. Reddy, and R. Dietmar Müller
Solid Earth Discuss., https://doi.org/10.5194/se-2019-4,https://doi.org/10.5194/se-2019-4, 2019
Revised manuscript not accepted

Related subject area

SIMS, LA-ICP-MS
The use of ASH-15 flowstone as a matrix-matched reference material for laser-ablation U − Pb geochronology of calcite
Perach Nuriel, Jörn-Frederik Wotzlaw, Maria Ovtcharova, Anton Vaks, Ciprian Stremtan, Martin Šala, Nick M. W. Roberts, and Andrew R. C. Kylander-Clark
Geochronology, 3, 35–47, https://doi.org/10.5194/gchron-3-35-2021,https://doi.org/10.5194/gchron-3-35-2021, 2021
Short summary
Expanding the limits of laser-ablation U–Pb calcite geochronology
Andrew R. C. Kylander-Clark
Geochronology, 2, 343–354, https://doi.org/10.5194/gchron-2-343-2020,https://doi.org/10.5194/gchron-2-343-2020, 2020
Short summary
LA-ICPMS U–Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle formations in the Petrified Forest National Park (Arizona)
George Gehrels, Dominique Giesler, Paul Olsen, Dennis Kent, Adam Marsh, William Parker, Cornelia Rasmussen, Roland Mundil, Randall Irmis, John Geissman, and Christopher Lepre
Geochronology, 2, 257–282, https://doi.org/10.5194/gchron-2-257-2020,https://doi.org/10.5194/gchron-2-257-2020, 2020
Short summary
Technical note: on LA–ICP-MS U–Pb dating of unetched and etched apatites
Fanis Abdullin, Luigi Solari, Jesús Solé, and Carlos Ortega-Obregón
Geochronology Discuss., https://doi.org/10.5194/gchron-2020-21,https://doi.org/10.5194/gchron-2020-21, 2020
Revised manuscript accepted for GChron
Short summary
A Sample Characterization Toolkit for Carbonate U-Pb Geochronology
E. Troy Rasbury, Theodore M. Present, Paul Northrup, Ryan V. Tappero, Antonio Lanzirotti, Jennifer M. Cole, Kathleen Wooton, and Kevin Hatton
Geochronology Discuss., https://doi.org/10.5194/gchron-2020-20,https://doi.org/10.5194/gchron-2020-20, 2020
Revised manuscript accepted for GChron
Short summary

Cited articles

Attendorn, H. G. and Bowen, R. N. C.: Rubidium-strontium dating, in: Radioactive and Stable Isotope Geology, Springer, 159–191, 1997. 
Baksi, A. K.: A quantitative tool for detecting alteration in undisturbed rocks and minerals – I: Water, chemical weathering, and atmospheric argon, Geol. Soc. Am. Spec. Pap., 430, 285–303, https://doi.org/10.1130/2007.2430(15), 2007. 
Blenkinsop, T. G. and Doyle, M. G.: Structural controls on gold mineralization on the margin of the Yilgarn craton, Albany–Fraser orogen: The Tropicana deposit, Western Australia, J. Struct. Geol., 67, 189–204, https://doi.org/10.1016/j.jsg.2014.01.013, 2014. 
Bodorkos, S. and Clark, D. J.: Evolution of a crustal-scale transpressive shear zone in the Albany–Fraser Orogen, SW Australia: 2. Tectonic history of the Coramup Gneiss and a kinematic framework for Mesoproterozoic collision of the West Australian and Mawson cratons, J. Metamorph. Geol., 22, 713–731, 2004. 
Brenan, J. M., Cherniak, D. J., and Rose, L. A.: Diffusion of osmium in pyrrhotite and pyrite: implications for closure of the Re–Os isotopic system, Earth Planet. Sc. Lett., 180, 399–413, https://doi.org/10.1016/S0012-821X(00)00165-5, 2000. 
Download
Short summary
Using a relatively new dating technique, in situ Rb–Sr geochronology, we constrain the ages of two generations of mineral assemblages from the Tropicana Zone, Western Australia. The first, dated at ca. 2535 Ma, is associated with exhumation of an Archean craton margin and gold mineralization. The second, dated at ca. 1210 Ma, has not been previously documented in the Tropicana Zone. It is probably associated with Stage II of the Albany–Fraser Orogeny and additional gold mineralization.