Thermal maturity of a fold–thrust belt based on vitrinite reflectance analysis in the Western Foothills complex, western Taiwan

Sakaguchi, Arito; Yanagihara, Akiko; Ujiie, Kohtaro; Tanaka, Hidemi; Kameyama, Masanori

doi:10.1016/j.tecto.2007.01.017

Cited by 41 publications

(27 citation statements)

References 26 publications

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“…Vitrinite reflectance data (Lin and Kuo, 1996;Lin et al, 2001;Sakaguchi et al, 2007) (Tables S1-S3) were collected for the HR and part of the BS along the Choushui transect and along two additional transects further north (Fig. 5).…”

Section: Quantitative Constraintsmentioning

confidence: 99%

“…Recently, peak metamorphic temperatures within the slate belt have been precisely estimated using a geothermometer based on the Raman spectroscopy of carbonaceous material (RSCM) found within the slates (Beyssac et al, 2007 (Beyssac et al, 2007) and vitrinite reflectance (Lin and Kuo, 1996;Lin et al, 2001;Sakaguchi et al, 2007) data collected in Taiwan. The color scale indicated for the data of Lin et al (2001) also applies to the other vitrinite reflectance data shown with different symbols.…”

Section: Quantitative Constraintsmentioning

confidence: 99%

“…Thermochronological ages are indicated in a 0-100 Ma (middle) and 0-10 Ma (top) temporal window for a general and detailed view on the data, respectively. AFT ages from Fuller et al (2006); ZHe ages and RSCM temperatures from Beyssac et al (2007); ZFT ages from Liu et al (2001); vitrinite reflectance data from Sakaguchi et al (2007). The limits of the reset zones are indicated with dashed lines (blue: AFT; purple: ZHe; red: ZFT) and the arrows indicate where ages are reset.…”

Section: Checking For the Consistency Between Thermochronological Andmentioning

confidence: 99%

See 2 more Smart Citations

Late Cenozoic metamorphism and mountain building in Taiwan: A review

Simões

Beyssac

Chen

2012

Journal of Asian Earth Sciences

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Section: Quantitative Constraintsmentioning

confidence: 99%

Section: Quantitative Constraintsmentioning

confidence: 99%

Section: Checking For the Consistency Between Thermochronological Andmentioning

confidence: 99%

See 1 more Smart Citation

Late Cenozoic metamorphism and mountain building in Taiwan: A review

Simões

Beyssac

Chen

2012

Journal of Asian Earth Sciences

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“…The hexagonal-rhombohedral transformation probably occurs through a martensitic-like mechanism. The graphite-3R from Kanayamadani might be formed by shear stress during the faulting process with frictional heating (O'hara, 2004;Matsubara et al, 2006;Sakaguchi et al, 2007). This process has been previously confirmed by deformation experiments of graphite single crystals (Freise and Kelly, 1963).…”

Section: Natural Graphite-3r Structurementioning

confidence: 79%

Graphite–3R in a fault fracture zone associated with black jadeitite from Kanayamadani, Itoigawa, central Japan

Ogawara

Akai

2014

Journal of Mineralogical and Petrological Sciences

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Graphite-3R was found at an outcrop in Kanayamadani, central Japan that had green-black jadeitite, altered jadeitite, and fracture zones in serpentine mélange. The graphite from the three zones was characterized using polarizing microscopy, XRD, Raman spectroscopy, SEM, HRTEM, and stable carbon-isotope mass spectrometry. Graphite in the black jadeitite zone is possibly crystallized simultaneously with prehnite in the stability field of prehnite (P <0.6 GPa and at T = 150-420°C). The δ 13 C of graphite in the black jadeitite zone ranged from −8.570‰ to −7.870‰, suggesting that it does not have an organic origin. The graphite of the black jadeitite zone was possibly formed in CO 2 -CH 4 rich fluid.XRD, Raman spectroscopy, and HRTEM observations suggested that the altered jadeitite zone had both low and high crystalline graphite. The altered jadeitite zone was located at the outer region of the green-black jadeitite zone and penetrated by many prehnite veins during a later stage. Amorphous carbon and graphite-3R found from the fracture zone may have formed as a result of graphite-2H crushing during fault movement between green-black and altered jadeitite zones. Changes in the crystal structure and detailed mineralogy of graphite can effectively be used to study tectonics and are key to understanding tectonic movement in geological processes.

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“…The vitrinite reflectance geothermometer has been used to detect the frictional heat both in natural fault zones (Bustin 1983;O'Hara 2004;Suchy et al 1997;Sakaguchi et al 2007;Sakaguchi et al 2011;Maekawa et al, 2014) and in laboratory experiments of shear friction (O'Hara et al 2006;Kitamura et al 2012). For example, Sakaguchi et al (2007) measured the vitrinite reflectance of natural fault rock samples and revealed a marked reflectance anomaly at a slip zone than the background values. O'Hara et al (2006) conducted high-velocity slip experiments and confirmed an increase in vitrinite reflectance even at short duration of heating on an earthquake timescale.…”

Section: Methods To Estimate Slip Parameters Based On Vitrinite Reflecmentioning

confidence: 99%

Estimation of slip rate and fault displacement during shallow earthquake rupture in the Nankai subduction zone

Hamada

Sakaguchi

Tanikawa

et al. 2015

Earth Planets Space

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Enormous earthquakes repeatedly occur in subduction zones, and the slips along megathrusts, in particular those propagating to the toe of the forearc wedge, generate ruinous tsunamis. Quantitative evaluation of slip parameters (i.e., slip velocity, rise time and slip distance) of past slip events at shallow, tsunamigenic part of the fault is critical to characterize such earthquakes. Here, we attempt to quantify these parameters of slips that may have occurred along the shallow megasplay fault and the plate boundary décollement in the Nankai Trough, off southwest Japan. We apply a kinetic modeling to vitrinite reflectance profiles on the two fault rock samples obtained from Integrated Ocean Drilling Program (IODP). This approach constitutes two calculation procedures: heat generation and numerical profile fitting of vitrinite reflectance data. For the purpose of obtaining optimal slip parameters, residue calculation is implemented to estimate fitting accuracy. As the result, the measured distribution of vitrinite reflectance is reasonably fitted with heat generation rate _ Q À Á and slip duration (t r ) of 16,600 J/s/m 2 and 6,250 s, respectively, for the megasplay and 23,200 J/s/m 2 and 2,350 s, respectively, for the frontal décollement, implying slow and long-term slips. The estimated slip parameters are then compared with previous reports. The maximum temperature, Tmax, for the Nankai megasplay fault is consistent with the temperature constraint suggested by a previous work. Slow slip velocity, long-term rise time, and large displacement are recognized in these fault zones (both of the megasplay, the frontal décollement). These parameters are longer and slower than typical coseismic slip, but are rather consistent with rapid afterslip.

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Thermal maturity of a fold–thrust belt based on vitrinite reflectance analysis in the Western Foothills complex, western Taiwan

Cited by 41 publications

References 26 publications

Late Cenozoic metamorphism and mountain building in Taiwan: A review

Late Cenozoic metamorphism and mountain building in Taiwan: A review

Graphite–3R in a fault fracture zone associated with black jadeitite from Kanayamadani, Itoigawa, central Japan

Estimation of slip rate and fault displacement during shallow earthquake rupture in the Nankai subduction zone

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