Modeling apparent Pb loss in zircon U–Pb geochronology [PDF]
Geochronology, 2023 The loss of radiogenic Pb from zircon is known to be a major factor that can cause inaccuracy in the U–Pb geochronological system; hence, there is a need to better characterize the distribution of Pb loss in natural samples.
G. R. Sharman, M. A. Malkowski
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Late Paleozoic oxygenation of marine environments supported by dolomite U-Pb dating [PDF]
Nature CommunicationsUnderstanding causal relationships between evolution and ocean oxygenation hinges on reliable reconstructions of marine oxygen levels, typically from redox-sensitive geochemical proxies.
Michal Ben-Israel +5 more
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Petrography descriptions and U-Pb zircon datasets from the Archean Pavas Block, Precambrian of Uruguay [PDF]
Data in Brief, 2021 This database is a geological and geochronological compilation made to study a small Archean/Paleoproterozoic block located in the centre of the Precambrian rock exposition of Uruguay.
Henri Masquelin +3 more
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Impact and Correction of Analytical Positioning on Accuracy of Zircon U-Pb Dating by SIMS [PDF]
Frontiers in Chemistry, 2020 Secondary ion mass spectrometry (SIMS) is one of the most important analytical tools for geochronology, especially for zircon U-Pb dating. Due to its advantages in spatial resolution and analytical precision, SIMS is the preferred option for multi-spot ...
Yu Liu +13 more
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Hematite U-Pb dating of Snowball Earth meltwater events. [PDF]
Proc Natl Acad Sci U S AThe Snowball Earth hypothesis predicts global ice cover; however, previous descriptions of Cryogenian (720-635 Ma) glacial deposits are limited to continental margins and shallow marine basins. The Tavakaiv (Tava) sandstone injectites and ridges in Colorado, USA, preserve a rare terrestrial record of Cryogenian low-latitude glaciation.
Courtney-Davies L +4 more
europepmc +3 more sources
High-precision U-Pb data and reference age for Emerald Lake apatite(Mendeley Data). [PDF]
Data in BriefNew isotope dilution thermal ionization mass spectrometry U-Pb data for Emerald Lake apatite demonstrate its potential as a reference material for geochronology.
Francisco E. Apen +2 more
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Secular change of tectonic setting in the Archean Takanen greenstone belt, northeastern Karelia Province, Fennoscandian Shield [PDF]
Bulletin of the Geological Society of Finland, 2023 The target of this study is the Takanen greenstone belt (TGB), a small 11-km-long and east-west oriented supracrustal belt in the northern Lentua complex of the Western Karelia Subprovince (eastern Finland).
Ville Järvinen +6 more
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Some new insights into the geochronology of the Western Karelia Subprovince, Finnish Lapland [PDF]
Bulletin of the Geological Society of Finland, 2020 Archean terranes are generally poorly exposed and structurally complicated, making models of geological evolution difficult to establish. Because of pervasive metamorphism, strong deformation, and poorly exposed bedrock, the stratigraphy, geochronology ...
Johanna Tepsell +9 more
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Apatite U-Pb Thermochronology: A Review [PDF]
Minerals, 2021 The temperature sensitivity of the U-Pb apatite system (350–570 °C) makes it a powerful tool to study thermal histories in the deeper crust. Recent studies have exploited diffusive Pb loss from apatite crystals to generate t-T paths between ~350–570 °C, by comparing apatite U-Pb ID-TIMS (isotope dilution-thermal ionisation mass spectrometry) dates with
David M. Chew, Richard A. Spikings
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Direct Calibration Method for LA-HR-ICP-MS Apatite U-Pb Dating
Yankuang ceshi, 2022 BACKGROUND Apatite is a common U-bearing accessory mineral with a U-Pb closure temperature of ~500℃, making U-Pb dating of apatite a potentially valuable thermochronometer.
ZHAO Linghao +5 more
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