Articles | Volume 2, issue 2
https://doi.org/10.5194/gchron-2-325-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gchron-2-325-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Nov 2020
Research article |
| 05 Nov 2020
| 05 Nov 2020
Robust isochron calculation
School Earth Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
Eleanor C. R. Green
School Earth Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
Estephany Marillo Sialer
School Earth Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
Jon Woodhead
School Earth Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia
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- Reassessing the timing of high-strain deformation in the Strangways Metamorphic Complex, Central Australia, by in situ mica Rb–Sr and titanite U–Pb geochronology E. Qiu et al. 10.1144/jgs2023-163
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- Age and emplacement depth of intrusions in the southeastern Canadian Cordillera: Implications for Jurassic to Paleocene exhumation D. MacLeod & D. Pattison 10.1016/j.lithos.2024.107818
- Mantle-like Hf Nd isotope signatures in ~3.5 Ga greenstones: No evidence for Hadean crust beneath the East Pilbara Craton J. Tympel et al. 10.1016/j.chemgeo.2021.120273
- Zircon reveals multistage, magmatic and hydrothermal Rare Earth Element mineralization at Debert Lake, Nova Scotia, Canada L. Ersay et al. 10.1016/j.oregeorev.2022.104780
- Orogens of Big Sky Country: Reconstructing the Deep‐Time Tectonothermal History of the Beartooth Mountains, Montana and Wyoming, USA C. Ronemus et al. 10.1029/2022TC007541
- Time-strain evolution of shear zones from petrographically constrained Rb–Sr muscovite analysis B. Ribeiro et al. 10.1016/j.epsl.2022.117969
- Direct U–Pb dating of carbonates from micron-scale femtosecond laser ablation inductively coupled plasma mass spectrometry images using robust regression G. Hoareau et al. 10.5194/gchron-3-67-2021
- Heritage Stone 8. Formation of Pinolitic Magnesite at Quartz Creek, British Columbia, Canada: Inferences from Preliminary Petrographic, Geochemical and Geochronological Studies A. Littlejohn-Regular et al. 10.12789/geocanj.2021.48.177
- Age and origin of the West Kimberley lamproites, Western Australia D. Phillips et al. 10.1016/j.lithos.2022.106913
- Paleocene‐Eocene High‐Pressure Carbonation of Western Alps Serpentinites: Positive Feedback Between Deformation and CO2‐CH4 Fluid Ingression Responsible for Slab Slicing? C. Herviou & G. Bonnet 10.1029/2022GC010557
- Metamorphic and intrusive history of the Hindu Raj region, northern Pakistan K. Larson et al. 10.1017/S0016756823000419
Latest update: 13 Dec 2024
Short summary
The standard approach to isochron calculation assumes that the distribution of uncertainties on the data arising from isotopic analysis is strictly Gaussian. This excludes datasets that have more scatter, even though many appear to have age significance. Our new approach requires only that the central part of the uncertainty distribution of the data defines a "spine" in the trend of the data. A robust statistics approach is used to locate the spine, and an implementation in Python is given.
The standard approach to isochron calculation assumes that the distribution of uncertainties on...
