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1

Ravenhurst, Casey E., Mary K. Roden-Tice, and Donald S. Miller. "Thermal annealing of fission tracks in fluorapatite, chlorapatite, manganoanapatite, and Durango apatite: experimental results." Canadian Journal of Earth Sciences 40, no. 7 (2003): 995–1007. http://dx.doi.org/10.1139/e03-032.

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It is well known that the optically measured lengths of fission tracks in apatite crystals are a function of etching conditions, crystallographic orientation of the track, composition of the crystal, and the state of thermal annealing. In this study we standardize etching conditions and optimize track length measurability by etching until etch pits formed at the surface of each apatite crystal reached widths of about 0.74 μm. Etching times using 5M HNO3 at 21°C were 31 s for Otter Lake, Quebec, fluorapatite; 47 s for Durango, Mexico, apatite; 33 s for Portland, Connecticut, manganoanapatite; a
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2

Vercoutere, C., and P. Van Den Haute. "Post-Palaeozoic cooling and uplift of the Brabant Massif as revealed by apatite fission track analysis." Geological Magazine 130, no. 5 (1993): 639–46. http://dx.doi.org/10.1017/s001675680002094x.

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AbstractA fission track study has been carried out on apatite from the igneous rock belt running along the southern border of the Brabant Massif. The study includes age determinations and a length analysis of both surface tracks and confined tracks. Apatite fission track ages vary between 146 Ma and 209 Ma. Confined track length distributions and the projected length age spectra indicate that the rocks cooled relatively rapidly from above 100 °C to ambient temperatures. The fission track ages therefore date a cooling phase of the Brabant Massif which is interpreted as reflecting an important u
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3

Nachtergaele, Simon, and Johan De Grave. "AI-Track-tive: open-source software for automated recognition and counting of surface semi-tracks using computer vision (artificial intelligence)." Geochronology 3, no. 1 (2021): 383–94. http://dx.doi.org/10.5194/gchron-3-383-2021.

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Abstract. A new method for automatic counting of etched fission tracks in minerals is described and presented in this article. Artificial intelligence techniques such as deep neural networks and computer vision were trained to detect fission surface semi-tracks on images. The deep neural networks can be used in an open-source computer program for semi-automated fission track dating called “AI-Track-tive”. Our custom-trained deep neural networks use the YOLOv3 object detection algorithm, which is currently one of the most powerful and fastest object recognition algorithms. The developed program
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4

MALLMANN, GUILHERME, JOSÉ ANTÔNIO CUPERTINO, and FARID CHEMALE JR. "Caraterização por Microssonda Eletrônica dos Teores de Cloro de Apatitas e sua Importância nos Estudos de Traços de Fissão." Pesquisas em Geociências 29, no. 2 (2002): 31. http://dx.doi.org/10.22456/1807-9806.19603.

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Apatite Fission Track Analysis (AFTA) provides important information for geochronology and is used in different tectonic settings. For example, in the study of sedimentary basins it helps estimate subsidence rates and dates periods of uplift of source areas and tectonic pulses. In geomorphology AFTA also helps to quantify rates of erosion and long-term continental denudation. The chlorine contents in apatites influences the ages obtained from fission track dating. Commonly, apatites with more than 0,4 wt% chlorine yield older ages than fluorapatites (Laslett, et al., 1987), because the stabili
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5

Wu, Hang, Shixiang Wu, Nansheng Qiu, et al. "Quantitative Identification of the Annealing Degree of Apatite Fission Tracks Using Terahertz Time Domain Spectroscopy (THz-TDS)." Applied Spectroscopy 72, no. 6 (2018): 870–78. http://dx.doi.org/10.1177/0003702818761668.

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Apatite fission-track (AFT) analysis, a widely used low-temperature thermochronology method, can provide details of the hydrocarbon generation history of source rocks for use in hydrocarbon exploration. The AFT method is based on the annealing behavior of fission tracks generated by 238U fission in apatite particles during geological history. Due to the cumbersome experimental steps and high expense, it is imperative to find an efficient and inexpensive technique to determinate the annealing degree of AFT. In this study, on the basis of the ellipsoid configuration of tracks, the track volume f
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6

Ketcham, Richard A., and Murat T. Tamer. "Confined fission-track revelation in apatite: how it works and why it matters." Geochronology 3, no. 2 (2021): 433–64. http://dx.doi.org/10.5194/gchron-3-433-2021.

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Abstract. We present a new model for the etching and revelation of confined fission tracks in apatite based on variable along-track etching velocity, vT(x). Insights from step-etching experiments and theoretical energy loss rates of fission fragments suggest two end-member etching structures: constant-core, with a central zone of constant etching rate that then falls off toward track tips; and linear, in which etching rates fall linearly from the midpoint to the tips. From these, we construct a characterization of confined track revelation that encompasses all relevant processes, including pen
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7

Jensen, Peter Klint, and Kirsten Hansen. "Deconvolution of fission-track length distributions and its application to dating and separating pre- and post-depositional components." Geochronology 3, no. 2 (2021): 561–75. http://dx.doi.org/10.5194/gchron-3-561-2021.

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Abstract. To enable the separation of pre- and post-depositional components of the length distribution of (partially annealed) horizontal confined fission tracks, the length distribution is corrected by deconvolution. Probabilistic least-squares inversion corrects natural track length histograms for observational biases, considering the variance in data, modelization, and prior information. The corrected histogram is validated by its variance–covariance matrix. It is considered that horizontal track data can exist with or without measurements of angles to the c axis. In the latter case, 3D his
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8

Green, Paul F. "On the thermo-tectonic evolution of Northern England: evidence from fission track analysis." Geological Magazine 123, no. 5 (1986): 493–506. http://dx.doi.org/10.1017/s0016756800035081.

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AbstractThe limited amount of fission track data previously available in Northern Britain has shown unexplained Cretaceous ages in the Southern Uplands and Lake District. Apatite fission track analysis has been applied to 23 samples from Caledonian intrusive bodies, to further investigate these ages. Fission track data of sphene has been carried out on seven samples and zircon in one sample.Apatite fission track ages vary from a maximum of 278 ± 12 Ma in the Cheviot Granite, down to ages of ∼ 60 Ma in the Carrock Fell region, with intermediate ages of ∼ 140 Ma in the Eskdale Granite and ∼ 80 M
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9

Tamer, Murat T., Ling Chung, Richard A. Ketcham, and Andrew J. W. Gleadow. "Analyst and etching protocol effects on the reproducibility of apatite confined fission-track length measurement, and ambient-temperature annealing at decadal timescales." American Mineralogist 104, no. 10 (2019): 1421–35. http://dx.doi.org/10.2138/am-2019-7046.

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Abstract Previous inter-laboratory experiments on confined fission-track length measurements in apatite have consistently reported variation substantially in excess of statistical expectation. There are two primary causes for this variation: (1) differences in laboratory procedures and instrumentation, and (2) personal differences in perception and assessment between analysts. In this study, we narrow these elements down to two categories, etching procedure and analyst bias. We assembled a set of eight samples with induced tracks from four apatite varieties, initially irradiated between 2 and
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10

Jonckheere, Raymond, Carolin Aslanian, Hongyang Fu, and Florian Trilsch. "Sampling Confined Fission Tracks for Constraining Geological Thermal Histories." Minerals 14, no. 10 (2024): 1016. http://dx.doi.org/10.3390/min14101016.

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Fission-track modeling rests on etching, counting and measuring the lattice damage trails from uranium fission. The tools for interpreting fission-track data are advanced but the results are never better than the data. Confined-track samples must be an adequate size for statistical analysis, representative of the track population and consistent with the model assumptions and with the calibration data. Geometrical and measurement biases are understood and can be dealt with up to a point. However, the interrelated issues of etching protocol and track selection are more difficult to untangle. Our
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11

Green, P. F., I. R. Duddy, A. J. W. Gleadow, P. R. Tingate, and G. M. Laslett. "Thermal annealing of fission tracks in apatite." Chemical Geology: Isotope Geoscience section 59 (January 1986): 237–53. http://dx.doi.org/10.1016/0168-9622(86)90074-6.

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12

Dumitru, T. A., K. C. Hill, D. A. Coyle, et al. "FISSION TRACK THERMOCHRONOLOGY: APPLICATION TO CONTINENTAL RIFTING OF SOUTH-EASTERN AUSTRALIA." APPEA Journal 31, no. 1 (1991): 131. http://dx.doi.org/10.1071/aj90011.

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Over the last five to ten years, apatite fission track analysis has developed into a sophisticated technique for studying the low-temperature thermal history of rocks. It has particular utility in oil exploration because its temperature range of sensitivity, about 20° to 125°C, overlaps the oil generation window. Whereas older fission track thermal history approaches relied solely on the sample fission track age, the new interpretive approaches use sample age, single grain age and track length data. They also emphasise the analysis of systematic variations in data patterns in sequences of samp
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13

Kurz, W., A. Wölfler, and R. Handler. "CENOZOIC TECTONIC EVOLUTION OF THE EASTERN ALPS – A RECONSTRUCTION BASED ON 40AR/39AR WHITE MICA, ZIRCON AND APATITE FISSION TRACK, AND APATITE (U/Th)-He THERMOCHRONOLOGY." Bulletin of the Geological Society of Greece 43, no. 1 (2017): 299. http://dx.doi.org/10.12681/bgsg.11182.

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The Cenozoic tectonic evolution of the Eastern Alps is defined by nappe assembly within the Penninic and Subpenninic units and their subsequent exhumation. The units above, however, are affected by extension and related faulting. By applying distinct thermochronological methods with closure temperatures ranging from ~450° to ~40°C we reveal the thermochronological evolution of the eastern part of the Eastern Alps. 40Ar/39Ar dating on white mica, zircon and apatite fission track, and apatite U/Th-He thermochronology were carried out within distinct tectonic units (Penninic vs. Austroalpine) and
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14

Arne, Dennis C., Ian R. Duddy, and Don F. Sangster. "Thermochronologic constraints on ore formation at the Gays River Pb–Zn deposit, Nova Scotia, Canada, from apatite fission track analysis." Canadian Journal of Earth Sciences 27, no. 8 (1990): 1013–22. http://dx.doi.org/10.1139/e90-105.

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Fission tracks in detrital apatites from the Cambro-Ordovician metasedimentary basement in the vicinity of the Carboniferous-hosted Gays River Pb–Zn deposit, Nova Scotia, provide a record of final cooling during uplift and erosion of the Meguma Zone and constrain the timing of ore formation. Apatite fission track ages range from 203 to 241 Ma, with typical uncertainties of ± 10 Ma. Mean confined track lengths generally vary between 12.0 and 13.4 μm and indicate that the apatites record "apparent" ages only. An inferred thermal history involving regional heating to paleotemperatures > 110 °C
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15

Hejl, Ewald. "Evidence for unetchable gaps in apatite fission tracks." Chemical Geology 122, no. 1-4 (1995): 259–69. http://dx.doi.org/10.1016/0009-2541(95)00014-d.

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16

Li, Weixing, Maik Lang, Andrew J. W. Gleadow, Maxim V. Zdorovets, and Rodney C. Ewing. "Thermal annealing of unetched fission tracks in apatite." Earth and Planetary Science Letters 321-322 (March 2012): 121–27. http://dx.doi.org/10.1016/j.epsl.2012.01.008.

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17

SELL, I., G. POUPEAU, J. M. GONZÁLEZ-CASADO, and J. LÓPEZ-MARTÍNEZ. "A fission track thermochronological study of King George and Livingston islands, South Shetland Islands (West Antarctica)." Antarctic Science 16, no. 2 (2004): 191–97. http://dx.doi.org/10.1017/s0954102004001907.

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This paper reports the dating of apatite fission tracks in eleven rock samples from the South Shetland Archipelago, an island arc located to the north-west of the Antarctic Peninsula. Apatites from Livingston Island were dated as belonging to the Oligocene (25.8 Ma: metasediments, Miers Bluff Formation, Hurd Peninsula) through to the Miocene (18.8 Ma: tonalites, Barnard Point). Those from King George Island were slightly older, belonging to the Early Oligocene (32.5 Ma: granodiorites, Barton Peninsula). Towards the back-arc basin (Bransfield Basin), the apatite appears to be younger. This allo
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18

Ketcham, R. A., A. Carter, R. A. Donelick, J. Barbarand, and A. J. Hurford. "Improved measurement and modeling of fission tracks in apatite." Geochimica et Cosmochimica Acta 70, no. 18 (2006): A316. http://dx.doi.org/10.1016/j.gca.2006.06.638.

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19

Jonckheere, Raymond, Carolin Aslanian, Bastian Wauschkuhn, and Lothar Ratschbacher. "Some geometrical properties of fission-track-surface intersections in apatite." American Mineralogist 105, no. 9 (2020): 1355–64. http://dx.doi.org/10.2138/am-2020-7271.

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Abstract Parallel fission-track-surface intersections identify the grains in an etched apatite mount that have been polished parallel to their prism faces and mark the orientations of their c-axes. Their lengths (Dpar) are a practical kinetic parameter that is indicative of the track annealing rate of apatite. Little is known, however, about their geometrical properties in non-prism faces. We present a model calculation of the frequency distributions of the orientations, lengths, and widths of track-surface intersections in non-prism faces. The current model does not include the effects of sur
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20

Guibaldo, Cristina Noemi, Sofía Bordese, and Mario Ignacio Simoy. "Results report of apatite fission-track analysis by LA-ICP-MS and its comparison with the conventional external detector method of dating." Journal of Analytical Atomic Spectrometry 37, no. 2 (2022): 369–80. http://dx.doi.org/10.1039/d1ja00284h.

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In this work, the dating of apatite fission tracks by LA-ICP-MS and the EDM is compared. The central ages of the four samples analyzed are in good agreement, just like the measured uranium content in the same grains.
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21

Tamer, Murat T., and Richard A. Ketcham. "The along-track etching structure of fission tracks in apatite: Observations and implications." Chemical Geology 553 (October 2020): 119809. http://dx.doi.org/10.1016/j.chemgeo.2020.119809.

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Laslett, G. M., and R. F. Galbraith. "Statistical modelling of thermal annealing of fission tracks in apatite." Geochimica et Cosmochimica Acta 60, no. 24 (1996): 5117–31. http://dx.doi.org/10.1016/s0016-7037(96)00307-9.

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23

Murtazaev, Kh, V. P. Perelygin, R. I. Petrova, and S. G. Stetsenko. "Determining the age of apatite crystals from uranium fission tracks." Soviet Atomic Energy 71, no. 5 (1991): 943–45. http://dx.doi.org/10.1007/bf01124217.

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24

Galbraith, R. F., and G. M. Laslett. "Some aspects of length measurements of fission tracks in apatite." International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements 17, no. 3 (1990): 412. http://dx.doi.org/10.1016/1359-0189(90)90072-6.

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25

Li, Weixing, Lumin Wang, Maik Lang, Christina Trautmann, and Rodney C. Ewing. "Thermal annealing mechanisms of latent fission tracks: Apatite vs. zircon." Earth and Planetary Science Letters 302, no. 1-2 (2011): 227–35. http://dx.doi.org/10.1016/j.epsl.2010.12.016.

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Watt, S., and S. A. Durrani. "Thermal stability of fission tracks in apatite and sphene: Using confined-track-length measurements." Nuclear Tracks and Radiation Measurements (1982) 10, no. 3 (1985): 349–57. http://dx.doi.org/10.1016/0735-245x(85)90124-3.

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Laslett, G. M., P. F. Green, I. R. Duddy, and A. J. W. Gleadow. "Thermal annealing of fission tracks in apatite 2. A quantitative analysis." Chemical Geology: Isotope Geoscience section 65, no. 1 (1987): 1–13. http://dx.doi.org/10.1016/0168-9622(87)90057-1.

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Duddy, I. R., P. F. Green, and G. M. Laslett. "Thermal annealing of fission tracks in apatite 3. Variable temperature behaviour." Chemical Geology: Isotope Geoscience section 73, no. 1 (1988): 25–38. http://dx.doi.org/10.1016/0168-9622(88)90019-x.

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Jonckheere, Raymond C., and Günther A. Wagner. "On the occurrence of anomalous fission tracks in apatite and titanite." American Mineralogist 85, no. 11-12 (2000): 1744–53. http://dx.doi.org/10.2138/am-2000-11-1218.

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30

Huntsberger, T. L., and I. Lerche. "DETERMINATION OF PALEO HEAT-FLUX FROM FISSION SCAR TRACKS IN APATITE." Journal of Petroleum Geology 10, no. 4 (1987): 365–94. http://dx.doi.org/10.1111/j.1747-5457.1987.tb00580.x.

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31

Min, Myo, Eva Enkelmann, Raymond Jonckheere, Christina Trautmann, and Lothar Ratschbacher. "Measurements of fossil confined fission tracks in ion-irradiated apatite samples with low track densities." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 259, no. 2 (2007): 943–50. http://dx.doi.org/10.1016/j.nimb.2007.03.012.

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32

Nadzri, A., D. Schauries, P. Mota-Santiago, et al. "Composition and orientation dependent annealing of ion tracks in apatite - Implications for fission track thermochronology." Chemical Geology 451 (February 2017): 9–16. http://dx.doi.org/10.1016/j.chemgeo.2016.12.039.

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33

Guedes, Sandro, Eduardo A. C. Curvo, Carlos A. Tello, et al. "On the annealing of fission tracks in randomly oriented grains of apatite." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 256, no. 2 (2007): 683–92. http://dx.doi.org/10.1016/j.nimb.2006.12.185.

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34

Al-Khalifa, I. J. M., K. James, S. A. Durrani, and M. S. Khalifa. "Radiation damage studies of mineral apatite, using fission tracks and thermoluminescence techniques." International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements 15, no. 1-4 (1988): 61–64. http://dx.doi.org/10.1016/1359-0189(88)90102-1.

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35

Jonckheere, Raymond, and Peter Van den Haute. "Observations on the geometry of etched fission tracks in apatite; implications for models of track revelation." American Mineralogist 81, no. 11-12 (1996): 1476–93. http://dx.doi.org/10.2138/am-1996-11-1219.

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36

McDannell, Kalin T., and Dale R. Issler. "Simulating sedimentary burial cycles – Part 1: Investigating the role of apatite fission track annealing kinetics using synthetic data." Geochronology 3, no. 1 (2021): 321–35. http://dx.doi.org/10.5194/gchron-3-321-2021.

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Abstract. Age dispersion is a common feature of apatite fission track (AFT) and apatite (U–Th) / He (AHe) thermochronological data, and it can be attributed to multiple factors. One underappreciated and underreported cause for dispersion is variability in apatite composition and its influence on thermal annealing of fission tracks. Using synthetic data we investigate how multikinetic AFT annealing behaviour, defined using the rmr0 parameter, can be exploited to recover more accurate, higher-resolution thermal histories than are possible using conventional interpretation and modelling approache
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37

Jonckheere, Raymond, Bastian Wauschkuhn, and Lothar Ratschbacher. "On growth and form of etched fission tracks in apatite: A kinetic approach." American Mineralogist 104, no. 4 (2019): 569–79. http://dx.doi.org/10.2138/am-2019-6762.

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38

Bigot-Cormier, Florence, Christophe Basile, Gérard Poupeau, Jean-Pierre Bouillin, and Erika Labrin. "Denudation of the Côte d'Ivoire-Ghana transform continental margin from apatite fission tracks." Terra Nova 17, no. 2 (2005): 189–95. http://dx.doi.org/10.1111/j.1365-3121.2005.00605.x.

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Rabone, J. A. L., A. Carter, A. J. Hurford, and N. H. de Leeuw. "Modelling the formation of fission tracks in apatite minerals using molecular dynamics simulations." Physics and Chemistry of Minerals 35, no. 10 (2008): 583–96. http://dx.doi.org/10.1007/s00269-008-0250-6.

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40

Grivet, M., M. Rebetez, N. Ben Ghouma, A. Chambaudet, and R. Jonckheere. "The use of the Projected Track Length Distributions of fission tracks in apatite for thermal hisory analysis." Nuclear Tracks and Radiation Measurements 21, no. 4 (1993): 594. http://dx.doi.org/10.1016/1359-0189(93)90222-u.

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Barbarand, Jocelyn, Ivan Bour, Maurice Pagel, et al. "Post-Paleozoic evolution of the northern Ardenne Massif constrained by apatite fission-track thermochronology and geological data." BSGF - Earth Sciences Bulletin 189, no. 4-6 (2018): 16. http://dx.doi.org/10.1051/bsgf/2018015.

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The exhumation history of basement areas is poorly constrained because of large gaps in the sedimentary record. Indirect methods including low temperature thermochronology may be used to estimate exhumation but these require an inverse modeling procedure to interpret the data. Solutions from such modeling are not always satisfactory as they may be too broad or may conflict with independent geological data. This study shows that the input of geological constraints is necessary to obtain a valuable and refined exhumation history and to identify the presence of a former sedimentary cover presentl
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42

Jonckheere, Raymond, Eva Enkelmann, Myo Min, Christina Trautmann, and Lothar Ratschbacher. "Confined fission tracks in ion-irradiated and step-etched prismatic sections of Durango apatite." Chemical Geology 242, no. 1-2 (2007): 202–17. http://dx.doi.org/10.1016/j.chemgeo.2007.03.015.

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43

Willett, S. D. "Inverse modeling of annealing of fission tracks in apatite; 1, A controlled random search method." American Journal of Science 297, no. 10 (1997): 939–69. http://dx.doi.org/10.2475/ajs.297.10.939.

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44

Guedes, S., J. C. Hadler N, K. M. G. Oliveira, P. A. F. P. Moreira, P. J. Iunes, and C. A. Tello S. "Kinetic model for the annealing of fission tracks in minerals and its application to apatite." Radiation Measurements 41, no. 4 (2006): 392–98. http://dx.doi.org/10.1016/j.radmeas.2005.06.040.

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45

Liu, Dongna, Junwei Lin, Anchao Zhou, Fenghua Zhao, Rui Zhou, and Yu Zou. "Tectono-Thermal Events of Coal-Bearing Basin in the Northern North China Craton: Evidence from Zircon–Apatite Fission Tracks and Vitrinite Reflectance." Minerals 12, no. 8 (2022): 942. http://dx.doi.org/10.3390/min12080942.

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In order to further reveal the tectonic activity of the central and northern North China Craton (NCC) since late Paleozoic, the Datong coal-bearing basin was selected as the research object. The tectono-thermal events and uplifting cooling events of the basin were retrieved through zircon and apatite fission tracks and vitrinite reflectance measurements. The research shows that the Datong coal-bearing basin experienced three tectono-thermal events with ages of 245–207 Ma (middle–late Triassic), 179 ± 9 Ma (early Jurassic), and 140 Ma to 78 ± 11 Ma (middle–late Cretaceous), respectively. That j
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Jonckheere, R. "On methodical problems in estimating geological temperature and time from measurements of fission tracks in apatite." Radiation Measurements 36, no. 1-6 (2003): 43–55. http://dx.doi.org/10.1016/s1350-4487(03)00096-9.

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Green, P. F., I. R. Duddy, G. M. Laslett, K. A. Hegarty, A. J. W. Gleadow, and J. F. Lovering. "Thermal annealing of fission tracks in apatite 4. Quantitative modelling techniques and extension to geological timescales." Chemical Geology: Isotope Geoscience section 79, no. 2 (1989): 155–82. http://dx.doi.org/10.1016/0168-9622(89)90018-3.

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Tang, Shuang, Shichao Li, Xinmei Zhang, et al. "Late Triassic Tectonic Setting in Northeastern Margin of North China Craton: Insight into Sedimentary and Apatite Fission Tracks." Minerals 13, no. 7 (2023): 975. http://dx.doi.org/10.3390/min13070975.

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The closure timing of the Paleo-Asian Ocean and the terminal stage of the Central Asian Orogenic Belt have been widely debated in the geological community. It’s known that the gradual scissor-like closure of the Paleo-Asian Ocean occurred from west to east during the Paleozoic period. However, it was not until the Triassic period that the complete closure of the ocean occurred at the northeastern margin of the North China Craton. Nevertheless, there is still much uncertainty regarding the Late Triassic tectonic setting in Northeast China. In this study, we focused on the Upper Triassic Dajiang
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Tello Saenz, C. A., J. C. Hadler Neto, P. J. Iunes, et al. "Thermochronology of the South American platform in the state of São Paulo, Brazil, through apatite fission tracks." Radiation Measurements 39, no. 6 (2005): 635–40. http://dx.doi.org/10.1016/j.radmeas.2004.08.005.

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Suzuki, Tatsuo. "Detection efficiency of fission tracks in apatite related to mica external detectors by the spike irradiation technique." Radiation Measurements 40, no. 2-6 (2005): 528–31. http://dx.doi.org/10.1016/j.radmeas.2005.03.016.

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