Reply to Comment on “Uranium series dating of Great Artesian Basin travertine deposits: Implications for palaeohydrogeology and palaeoclimate” by Uysal et al. (2019).
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Date
2020-01-01
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract
Tonguc Uysal and co-authors (this issue) propose that at least some of the U-series ages reported by Priestley et al. (2018) and Ring et al. (2016) provide minimum ages of movement at the Norwest Fault Zone in central Australia resulting from significant CO2 production due to mantle degassing related to active tectonics. We thank Tonguc Uysal and co-authors for their discussion on the role of tectonics and CO2 degassing in travertine precipitation and note that we had previously published (and agree with) the importance of mantle degassing as a source of CO2 that closely interacts with palaeohydrogeologic and palaeoclimatic forcings in explaining the rate and distribution of travertine deposition in the southwestern Great Artesian Basin (GAB) of central Australia. Based in part on western U.S. analogues (Crossey et al., 2016; Karlstrom et al., 2013a), we proposed and explored a model for these processes and their implications for the GAB in previous publications (Crossey et al., 2013; Karlstrom et al., 2013b) whereas Priestley et al. (2018) focused more specifically on palaeoclimate implications. Crown Copyright © 2019 Published by Elsevier B.V
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Keywords
Travertine, Hydrology, Tectonics, Carbon dioxide, Paleoclimatology, Earth mantle, Australia
Citation
Priestley, S. C., Karlstrom, K. E., Love, A. J., Crossey, L. J., Polyak, V. J., Asmerom, Y., Meredith, K. T., Crow, R., Keppel, M. N., & Habermehl, M. A. (2020). Reply to Comment on "Uranium series dating of Great Artesian Basin travertine deposits: implications for palaeohydrogeology and palaeoclimate" by Uysal et al. (2019). Palaeogeography, Palaeoclimatology, Palaeoecology, 537, 109421. doi:10.1016/j.palaeo.2019.109421