Use and abuse of zircon-based thermometers: A critical review and a recommended approach to identify antecrystic zircons

Siégel, Coralie; Bryan, Scott; Allen, Charlotte M.; Gust, David

doi:10.1016/j.earscirev.2017.08.011

Cited by 179 publications

(85 citation statements)

References 142 publications

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“…Ti content in zircon crystal structure is mostly dependent on temperature, and by estimation of Ti activity within the rock, it can be used to calculate approximate magma temperature at the time of zircon crystallization (Ferry and Watson, 2007;Siegel et al, 2018). Absence of rutile, quartz, or both can be an obstacle to the use of this thermometer.…”

Section: Ti-in-zircon Temperaturementioning

confidence: 99%

“…Such a range in Ti-in-zircon temperature is interpreted as the reflection of ongoing zircon crystallization during cooling stage and fractionation processes of mineral resulting in the solidification of magma (Siegel et al, 2018). Experimental calculations of Ti-in-zircon temperature for silicic magmas indicate a limited temperature range between 620 °C and 970 °C (Scaillet et al, 2016;Siegel et al, 2018). Temperature estimation below and above these values may be the result of incorrect Ti activity selections (Ferry and Watson, 2007), violation of Ti substitution by crystal defects, nonequilibrium conditions of Ti in the zircon structure or analysis of Ti-rich inclusions (e.g., Fe-Ti oxides, rutile), or secondary Ti enrichment in cracks of zircon crystals (Harrison and Schmitt, 2007).…”

Section: Ti-in-zircon Temperaturementioning

confidence: 99%

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Application of zircon typology method to felsic rocks (Cappadocia, Central Anatolia, Turkey): a zircon crystallization temperature perspective

Akın¹,

Aydar²,

Schmitt³

et al. 2019

Turkish J Earth Sci

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IntroductionZircon is an accessory mineral ubiquitous in felsic to mafic magmatic suites and its chemical and physical resistivity also makes zircon a valuable archive for geological processes throughout Earth's history (Schaltegger and Davies, 2017). Due to zircon's high resistance to alteration and postmagmatic heating, it is also widely used in the studies concerning recent magmatic processes through trace element analyses (e.g., Ti, Y, REE, Hf) and radiometric dating (U/Th, U/Pb, Pb/Pb) yielding crystallization ages for cooling magma chambers. Where zircon crystallization occurs over a significant time span, compositional zoning within individual zircon grains, or differences in composition between successive generations of zircon, can record the changes in the chemical environment of preeruptive magmas (Belousova et al., 2006). Zircon crystals also display highly various crystal habits, which are thought to be controlled by the thermochemical conditions in their crystallization environments. Different zircon crystal morphologies may result from different magma compositions (e.g., aluminum-alkali balance) and crystallization temperatures Turco, 1972, 1975;Pupin, 1976).The detailed work of Pupin (1980) on granitic zircon populations defined three main genetic categories:(1) granites of crustal or mainly crustal origin [(sub) autochthonous and aluminous granites)]; (2) granites of crustal + mantle origin, hybrid granites (calc-alkaline and subalkaline series granites); and (3) granites of mantle or mainly mantle origin (alkaline and tholeiitic series granites). Since this early work, new experimentally calibrated thermometers for zircon have emerged, posing

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Section: Ti-in-zircon Temperaturementioning

confidence: 99%

Section: Ti-in-zircon Temperaturementioning

confidence: 99%

Application of zircon typology method to felsic rocks (Cappadocia, Central Anatolia, Turkey): a zircon crystallization temperature perspective

Akın¹,

Aydar²,

Schmitt³

et al. 2019

Turkish J Earth Sci

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“…First, zircons that are present and preserved outside of any other mineral phase (i.e. in the groundmass or in contact with melt) indicate either short-residence times or an initially large size because they would have been resorbed or dissolved by the higher temperatures (Watson, 1996;Siégal et al 2018). Therefore, zircon in the groundmass of the Atascosa either crystallized from the groundmass and near the time of eruption or crystallized much earlier in another part of the magma system and were originally bigger but decreased in size by interacting with new Zr undersaturated melt.…”

Section: Zircon Age and Thermometrymentioning

confidence: 99%

Magma Envelopes, Enclaves and Rogue Crystals in the Atascosa Lookout Lava Flow: Magma Communication Across a Range of Crustal Levels

Burrill¹,

Seaman²

2016

Geological Society of America Abstracts With Programs

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her uncanny sense of optimism. I would also like to thank Michael Williams for his incredibly useful comments and suggestions as well as Michael Jercinovic for being immensely helpful with the microprobe. A special thanks to David Snoeyenbos for his thin sections and help with the microprobe, also Claire Pless for additional help with the microprobe and Marissa Minch for introducing me to the rock lab and thin section preparation. Thank you to Mike Rhodes for helping with the trace element analysis. I wish to express my gratitude to the UMass Geosciences Department and Alumni for funding the research and covering travel expenses for the presentation of this project at the GSA meeting in California. Last, but not least, a very heartfelt thanks to my grandfather, Kris and Alicia for encouragement and support. And my Aunt Janice who helped fund a lot of my education and travels-I cannot thank you enough.

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“…The Zr content of rutile crystallized in a zircon-saturated environment is dependent on temperature [30][31][32][33]. Similarly, the Ti content of zircon is T-dependent [31,34], allowing the application of Zr-in-rutile and Ti-in-zircon geo-thermometers to the study of metamorphic and igneous rocks (e.g., [35][36][37][38]).…”

Section: Introductionmentioning

confidence: 99%

Coupled Zircon-Rutile U-Pb Chronology: LA ICP-MS Dating, Geological Significance and Applications to Sediment Provenance in the Eastern Himalayan-Indo-Burman Region

Bracciali

2019

Geosciences

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U-Pb dating by LA ICP-MS is one of the most popular and successful isotopic techniques available to the Earth Sciences to constrain timing and rates of geological processes thanks to its high spatial resolution, good precision (absolute U/Pb age resolution of ca. 2%, 2s), rapidity and relative affordability. The significant and continuous improvement of instrumentation and approaches has opened new fields of applications by extending the range of minerals that can be dated by this method. Following the development and distribution to the community of good quality reference materials in the last decade, rutile U-Pb thermochronology (with a precision only slightly worse than zircon) has become a commonly used method to track cooling of deep-seated rocks. Its sensitivity to mid- to low-crustal temperatures (~450 °C to 650 °C) is ideal to constrain exhumation in active and ancient orogens as well as thermal evolution of slow-cooled terranes. Recrystallization and secondary growth during metamorphism and the presence of grain boundary fluids can also affect the U-Pb isotopic system in rutile. A growing body of research focusing on U-Pb dating of rutile by LA ICP-MS is greatly improving our understanding of the behavior of this mineral with regards to retention of radiogenic Pb. This is key to fully exploit its potential as a tracker of geological processes. The latest developments in this field are reviewed in this contribution. The combined application of U-Pb zircon and rutile chronology in provenance studies, particularly when complemented by lower-T thermochronometry data, allows the isotopic characterization of the sources across a wide range of temperatures. The benefits of applying detrital zircon-rutile U-Pb chronology as a coupled provenance proxy are presented here, with a focus on the Eastern Himalayan-Indo-Burman region, where a growing number of successful studies employs such an approach to help constrain river drainage and basin evolution and to infer feedback relationships between erosion, tectonics and climate.

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Use and abuse of zircon-based thermometers: A critical review and a recommended approach to identify antecrystic zircons

Cited by 179 publications

References 142 publications

Application of zircon typology method to felsic rocks (Cappadocia, Central Anatolia, Turkey): a zircon crystallization temperature perspective

Application of zircon typology method to felsic rocks (Cappadocia, Central Anatolia, Turkey): a zircon crystallization temperature perspective

Magma Envelopes, Enclaves and Rogue Crystals in the Atascosa Lookout Lava Flow: Magma Communication Across a Range of Crustal Levels

Coupled Zircon-Rutile U-Pb Chronology: LA ICP-MS Dating, Geological Significance and Applications to Sediment Provenance in the Eastern Himalayan-Indo-Burman Region

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