Articles | Volume 2, issue 2
https://doi.org/10.5194/gchron-2-231-2020
© 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-2-231-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Sep 2020
Research article |
| 03 Sep 2020
| 03 Sep 2020
The Isotopx NGX and ATONA Faraday amplifiers
Stephen E. Cox
CORRESPONDING AUTHOR
Lamont-Doherty Earth Observatory, the Earth Institute at Columbia University, 61 Route 9W, Palisades, NY 10964, USA
Sidney R. Hemming
Lamont-Doherty Earth Observatory, the Earth Institute at Columbia University, 61 Route 9W, Palisades, NY 10964, USA
Department of Earth and Environmental Sciences, Columbia University, New York, NY 10027, USA
Damian Tootell
Isotopx, Ltd., Dalton House, Dalton Way, Middlewich CW10 0HU, UK
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- Noble gas mass-spectrometry for extraterrestrial micro-samples: analyses of asteroid matter returned by Hayabusa2 JAXA mission A. Meshik et al. https://doi.org/10.1039/D3JA00125C
- Unveiling the hidden source of major historical earthquakes: A multi-scale, trans-disciplinary approach to the 1456 and 1688 Sannio earthquakes (Mw 7.0, southern Italian Apennines) V. Amato et al. https://doi.org/10.1016/j.quascirev.2025.109282
- Application of ATONA Amplifiers to the Measurement of Uranium Isotopic Ratios by Thermal Ionization Mass Spectrometry A. Reinhard et al. https://doi.org/10.1021/acs.analchem.4c00471
- First terrestrial geomagnetic record of the Norwegian-Greenland Sea excursion in the Kaupo flow, Koolau volcano, Oahu, Hawaii: Insights from 40Ar/39Ar, NRM and absolute paleointensity determinations E. Herrero-Bervera & B. Jicha https://doi.org/10.1016/j.pepi.2025.107314
- Prolonged cooling of andesitic-dacitic lava flows produces optimal groundmass material for 40Ar/39Ar dating C. Conway et al. https://doi.org/10.1016/j.chemgeo.2026.123268
- Central Mediterranean tephrochronology between 313 and 366 ka: New insights from the Fucino palaeolake sediment succession N. Leicher et al. https://doi.org/10.1111/bor.12610
- New constraints on the Middle-Late Pleistocene Campi Flegrei explosive activity and Mediterranean tephrostratigraphy (∼160 ka and 110–90 ka) G. Fernandez et al. https://doi.org/10.1016/j.quascirev.2024.108623
- An assessment of potential causal links between deglaciation and eruption rates at arc volcanoes C. Conway et al. https://doi.org/10.3389/feart.2023.1082342
- Lithostratigraphy, Geochronology and Early Humans: The evolution of Quaternary volcanic successions and their impact on archaeological sites in the north-western edge of the Ararat Depression, Armenia H. Gevorgyan et al. https://doi.org/10.1016/j.quascirev.2025.109623
- New Discovery of Oligocene Strata in the Topernawi Formation, Turkana County, Kenya F. Sousa et al. https://doi.org/10.3389/feart.2022.799097
- Tephrochronological constraints on the timing and nature of sea-level change prior to and during glacial termination V B. Giaccio et al. https://doi.org/10.1016/j.quascirev.2021.106976
- Environmental evolution, faunal and human occupation since 2 Ma in the Anagni basin, central Italy F. Florindo et al. https://doi.org/10.1038/s41598-021-85446-5
- Linking the Mediterranean MIS 5 tephra markers to Campi Flegrei (southern Italy) 109–92 ka explosive activity and refining the chronology of MIS 5c-d millennial-scale climate variability L. Monaco et al. https://doi.org/10.1016/j.gloplacha.2022.103785
- Faraday Cups: Principles, Designs, and Applications Across Scientific Disciplines—A Review B. Rawat et al. https://doi.org/10.3390/instruments9030020
- Precise dating of large flank collapses by single-grain 40Ar/39Ar on pyroclastic deposits from the example of Flores Island (Azores) A. Hildenbrand et al. https://doi.org/10.1038/s41598-024-62583-1
- Insights into the Roches-Genty ignimbrite in Martinique Island: stratigraphy, grain size distribution, geochemistry, and geochronology A. Martens et al. https://doi.org/10.1007/s00445-026-01947-z
- Isotopic analysis of sub‐nanogram neodymium loads using new ATONA™ amplifiers A. Reinhard et al. https://doi.org/10.1002/rcm.9032
- Emplacement age of the Sevier gravity slide, Utah, USA T. Rivera et al. https://doi.org/10.5194/gchron-7-35-2025
- Geological, paleoenvironmental, and depositional dynamics at the Middle Pleistocene Palaeoloxodon antiquus-bearing site of Campo della Spina, Central Italy P. Mazza et al. https://doi.org/10.1016/j.quaint.2024.10.014
- Revising the early activity of Monte Vulture (Basilicata, Southern Italy): New high precision 40Ar/39Ar and geochemical data N. Musial et al. https://doi.org/10.1016/j.jvolgeores.2026.108666
- Glacio-eustatic forcing on Middle Pleistocene fluvial–lacustrine depositional processes: a case history from the Tyrrhenian Sea margin of central Italy G. Di Buduo et al. https://doi.org/10.1007/s00531-025-02494-2
- Fine ash from the Campanian Ignimbrite super-eruption, ~ 40 ka, southern Italy: implications for dispersal mechanisms and health hazard F. Gianchiglia et al. https://doi.org/10.1038/s41598-025-01100-4
- Precambrian to Pleistocene 40Ar/39Ar dating of clinopyroxene-hosted melt inclusions B. Jicha et al. https://doi.org/10.1130/G51777.1
- High-precision CA-ID-TIMS zircon U-Pb geochronology: a review of the Neoproterozoic time scale C. Yang et al. https://doi.org/10.1093/nsr/nwaf206
- Identifying migratory pathways of Nathusius' pipistrelles (Pipistrellus nathusii) using stable hydrogen and strontium isotopes C. Kruszynski et al. https://doi.org/10.1002/rcm.9031
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Saved (final revised paper)
Latest update: 08 Jul 2026
Short summary
We show results from a new type of ion detector technology for mass spectrometry that allows us to measure ion beams more precisely. This technology expands the range of ages we can measure using a single instrument and makes it possible to measure those ages – including all required corrections and adjustments – with more confidence. We show measurements of widely used standard materials for Ar / Ar, including air and synthetic standard gas, to illustrate the capabilities of the new detectors.
We show results from a new type of ion detector technology for mass spectrometry that allows us...
