Reactivation history of the North Anatolian fault zone based on calcite age-strain analyses

Nuriel, Perach; Craddock, John P.; Kylander-Clark, Andrew R.C.; Uysal, I. Tonguç; Karabaçak, Volkan; Dirik, Ramazan Kadir; Hacker, Bradley R.; Weinberger, R.

doi:10.1130/g45727.1

Cited by 79 publications

(28 citation statements)

References 28 publications

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“…Similarly, uncertainty propagation and data reporting should follow the community-based guidelines for zircon of Horstwood et al (2016). Details on the LA-ICP-MS method for carbonate adopted by three major laboratories taking a similar approach are provided in Roberts and Walker (2016) and Drake et al (2017) for the British Geological Survey laboratory (Nottingham, UK); Ring and Gerdes (2016) and Methner et al (2016) for Goethe Universität (Frankfurt, Germany); and Nuriel et al (2017Nuriel et al ( , 2019 for the University of California Santa Barbara (Santa Barbara, USA). Ablation spot sizes are typically larger than for silicate or phosphate minerals -generally > 40 µm and often > 100 µm -and fluences are also often high (> 4 J cm −2 ).…”

Section: Analytical Protocolmentioning

confidence: 99%

“…Carbonates clearly have a large range of structures, even with calcite, for example, sparry to micritic, with wide-ranging crystal or grain sizes and porosity. Nuriel et al (2019) noted differences between the use of coarsegrained sparry reference materials and to fine-grained polycrystalline reference materials, with the latter being skewed towards older ages by several percent. To move towards better precision and accuracy of the LA-ICP-MS U-Pb method, it will be necessary to have a range of well-characterised reference materials that cover variable carbonate mineralogy (e.g.…”

Section: Analytical Limitationsmentioning

confidence: 99%

“…To date, LA-ICP-MS U-Pb carbonate geochronology has been utilised for a wide range of applications. These include the dating of speleothem deposition (Hopley et al, 2019;Scardia et al, 2019;Nicholson et al, 2020), brittle deformation (Roberts and Walker, 2016;Ring and Gerdes, 2016;Goodfellow et al, 2017;Hansman et al, 2018;Parrish et al, 2018;Beaudoin et al, 2018;Nuriel et al, 2017Nuriel et al, , 2019; Smeraglia et al, 2019), hydrocarbon migration (Holdsworth et al, , 2020, hydrothermal ore mineralisation (Burisch et al, 2017(Burisch et al, , 2019Kreissl et al, 2018), hydrothermal and deep-crustal fluid flow (Drake et al, 2017(Drake et al, , 2019(Drake et al, , 2020Mazurek et al, 2018;Walter et al, 2018;Incerpi et al, 2020;MacDonald et al, 2019), pedogenesis (Methner et al, 2016;Liivamägi et al, 2019), ocean crust alteration (Coogan et al, 2016), diagenesis in sedimentary deposits (Li et al, 2014;Pagel et al, 2018;Mangenot et al, 2018;Godeau et al, 2018;Lawson et al, 2018), and sedimentary deposition (Drost et al, 2018). Published dates range in age from 0.6 to 548 Ma (see Fig.…”

Section: Applications Of Carbonate Geochronologymentioning

confidence: 99%

“…Smith and Farquhar, 1989;DeWolf and Halliday, 1991;Brannon et al, 1996;Rasbury et al, 1997;Richards et al, 1998;Woodhead et al, 2006;Pickering et al, 2010), collectively referred to here simply as ID. More recently, there has been a proliferation in the use of laser ablation (LA-) ICP-MS applied to calcite geochronology (Li et al, 2014;Coogan et al, 2016;Roberts and Walker, 2016;Ring and Gerdes, 2016;Methner et al, 2016;Goodfellow et al, 2017;Burisch et al, 2017Burisch et al, , 2018Drake et al, 2017Drake et al, , 2019Drake et al, , 2020Hansman et al, 2018;Hellwig et al, 2018;Godeau et al, 2018;Beaudoin et al, 2018;Bertok et al, 2019;Drost et al, 2018;Mangenot et al, 2018;Nicholson et al, 2020;Nuriel et al, 2017Nuriel et al, , 2019Parrish et al, 2018;Walter et al, 2018;Yokoyama et al, 2018;Smeraglia et al, 2019;MacDonald et al, 2019;Scardia et al, 2019). Presently, we are not aware of successful secondary ion mass spectrometry (SIMS) U-Pb dating of carbonate mineralisation, but this presents an alternative microbeam method to laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS).…”

Section: Introductionmentioning

confidence: 99%

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Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

et al. 2020

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Abstract. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb geochronology of carbonate minerals, calcite in particular, is rapidly gaining popularity as an absolute dating method. The high spatial resolution of LA-ICP-MS U–Pb carbonate geochronology has benefits over traditional isotope dilution methods, particularly for diagenetic and hydrothermal calcite, because uranium and lead are heterogeneously distributed on the sub-millimetre scale. At the same time, this can provide limitations to the method, as locating zones of radiogenic lead can be time-consuming and “hit or miss”. Here, we present strategies for dating carbonates with in situ techniques, through imaging and petrographic techniques to data interpretation; our examples are drawn from the dating of fracture-filling calcite, but our discussion is relevant to all carbonate applications. We review several limitations to the method, including open-system behaviour, variable initial-lead compositions, and U–daughter disequilibrium. We also discuss two approaches to data collection: traditional spot analyses guided by petrographic and elemental imaging and image-based dating that utilises LA-ICP-MS elemental and isotopic map data.

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Section: Analytical Protocolmentioning

confidence: 99%

Section: Analytical Limitationsmentioning

confidence: 99%

Section: Applications Of Carbonate Geochronologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

et al. 2020

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“…Since the seminal publication of Li et al (2014), the U-Pb dating of carbonates by LA-ICPMS has progressed significantly with applications as varied as the dating of tectonic fractures and veins (e.g., Roberts & Walker, 2016;Beaudoin et al, 2018;Parrish et al, 2018;Nuriel et al, 2019), carbonate deposition (Drost et al, 2018), speleothems (Woodhead et al, 2019) or https://doi.org/10.5194/gchron-2020-10 Preprint. Discussion started: 14 April 2020 c Author(s) 2020.…”

Section: Introductionmentioning

confidence: 99%

Direct U-Pb dating of carbonates from micron scale fsLA-ICPMS images using robust regression

Hoareau¹,

Claverie²,

Pécheyran³

et al. 2020

Preprint

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Abstract. U-Pb dating of carbonates by LA-ICPMS spot analysis is an increasingly used method in the field of geosciences, as it brings very strong constraints over the geological history of basins, faults or reservoirs. Most ages currently published are based on the measurement of U and Pb ratios on spot ablations, using nanosecond lasers coupled to sector-field or multi-collector ICPMS. Here, we present a new strategy for the U-Pb dating of carbonates from 2D isotopic ratio maps, based on the use of a robust regression approach in the data reduction workflow. The isotopic maps, having minimum area of 0.65 mm2 (∼ 1000 pixels of 13 x 25 µm resolution), are obtained using a 257 nm femtosecond laser ablation system at high repetition rate (500 Hz) coupled to a High Resolution ICPMS. The maps commonly show significant variations in isotope ratios at the pixel scale, allowing the plotting of pixel U-Pb ratios in concordia or isochron diagrams and the calculation of U-Pb ages. Due to the absence of individual ratio uncertainties, the ages are calculated by using MM-robust linear regression rather than the more commonly used York-type regression. Provided examples demonstrate that this strategy allows calculating ages and uncertainties similar to those obtained for samples already dated by more traditional techniques (isotope dilution or LA-ICPMS spot analyses). The goodness-of-fit to the data is assessed by the calculation of the residual standard error of the regression (RSE), and by the calculation of a MSWD on discretized data. The regression method proposed is a statistically robust, alternative approach to that proposed by Drost et al. (2018), that can be easily applied to U-Pb age determination from isotopic maps.

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Spatial and temporal volcanotectonic evolution of Santorini volcano, Greece

2022

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Volcanic and tectonic activities in the Aegean region have controlled the evolution of Santorini volcano, including changes in the shape and size of the island through time. Previous studies associate much of the island’s volcanic activity with the presence of regional faults, but a comprehensive volcanotectonic study that clarifies the relationship between dyking and faulting in the island has not been made. Here we present a detailed structural analysis focused on the northern caldera wall of Santorini, where numerous dykes and faults outcrop and can be studied in the mesoscale. To augment our discussion of dyke and fault interactions, we combine previous volcanological and geophysical observations with our structural analysis to report the volcanotectonic evolution of the northern part of the island and design a conceptual spatial-temporal model. We mapped 91 dyke segments and 15 faults and classified the latter, where possible, with respect to their observed or recorded kinematics, their size, and the active stress field under which they were formed based on prior geophysical data. We relate our observations to a mechanical unconformity within the northern caldera wall. Our field observations, coupled with previous numerical, geophysical, and volcanological studies, offer insights on the interaction between dykes and faults and indicate the conditions under which the faults facilitated magma emplacement, or not, during the volcano’s activity. Our analysis attempts to answer an essential question: under what conditions do crustal faults facilitate or inhibit magma propagation to the surface, with application to the island of Santorini.

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Reactivation history of the North Anatolian fault zone based on calcite age-strain analyses

Cited by 79 publications

References 28 publications

Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) U–Pb carbonate geochronology: strategies, progress, and limitations

Direct U-Pb dating of carbonates from micron scale fsLA-ICPMS images using robust regression

Spatial and temporal volcanotectonic evolution of Santorini volcano, Greece

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