Exhumation history of the Kurobe area, Hida Range, based on solidification ages and depths of the Pliocene-Quaternary plutons

Sueoka, Shigeru; Kawakami, Tetsuo*; Suzuki, Kota*; Kagami, Saya; Yokoyama, Tatsunori; Shibazaki, Bunichiro*; Nagata, Mitsuhiro; Yamazaki, Ayu*; Higashino, Fumiko*; King, G. E.*; et al.

Fuisshon, Torakku Nyusureta, (36), p.1 - 3, 2023/12

https://ftrgj.org/FTNLs/FTNL36/FTNL36ALL.pdf

no abstracts in English

Solidification depth and crystallization age of the Shiaidani Granodiorite; Constraints to the average denudation rate of the Hida Range, central Japan

Kawakami, Tetsuo*; Sueoka, Shigeru; Yokoyama, Tatsunori; Kagami, Saya; King, G. E.*; Herman, F.*; Tsukamoto, Sumiko*; Tagami, Takahiro*

Island Arc, 30(1), p.e12414_1 - e12414_11, 2021/01

https://doi.org/10.1111/iar.12414

Testing the application of quartz and feldspar luminescence dating to MIS 5 Japanese marine deposits

Thiel, C.*; Tsukamoto, Sumiko*; Tokuyasu, Kayoko; Buylaert, J.-P.*; Murray, A. S.*; Tanaka, Kazuhiro*; Shirai, Masaaki*

Quaternary Geochronology, 29, p.16 - 29, 2015/08

https://doi.org/10.1016/j.quageo.2015.05.008

The applicability of both quartz and feldspar luminescence dating was tested on twenty-five samples from a marine succession now forming a cliff at Oga Peninsula, Honshu Island, Japan. The quartz shows thermal instability and linear modulated optically stimulated luminescence (LM-OSL) analysis revealed the dominance of a slow component. When compared with independent age control provided by two marker tephra, the quartz OSL ages grossly underestimated the depositional age. In contrast, potassium (K)-rich feldspar is a suitable dosimeter when measured using post-IR infrared stimulated luminescence (IRSL) at 225C, but it was found that the fading corrected ages calculated using dose rates based on sieved grain-size still underestimate. SEM analyses on the feldspar extracts revealed that the grains are amorphous with small crystalline inclusions; using standard internal dose rate parameters, this would result in a too large dose rate. Three different dose rate scenarios were considered for calculation: (1) sieved grain size (90-180m) and 12.50.5% K. (2) smaller grain size (4020m) and measured K concentration (60.5%), and (3) smaller grain size consistent with the observed crystal dimensions (4020m) and 12.50.5% K. The final dose rate scenario produces fading corrected ages that agree well with independent age control.

OSL and ESR thermochronometry of the Hida Range, northern Japanese Alps

King, G.*; Sueoka, Shigeru; Tsukamoto, Sumiko*; Herman, F.*; Ahadi, F.*; Gautheron, C.*; Delpech, G.*; Tagami, Takahiro*

no journal, , 

no abstracts in English

Rates of erosion in the Japanese Alps during the Quaternary; Insights from trapped charge thermochronometry

Bartz, M.*; King, G. E.*; Anderson, L.*; Herman, F.*; Sueoka, Shigeru; Tsukamoto, Sumiko*; Tagami, Takahiro*

no journal, , 

Reconstruction of exhumation history in Tanigawa-dake area using ESR thermochronometry

Tanaka, Kiriha; Tsukamoto, Sumiko*; Ogata, Manabu; Sueoka, Shigeru; Kida, Fukuka; Ogawa, Yumi*; Ariga, Chie*; Minami, Saki

no journal, , 

Low-temperature thermochronometry using electron spin resonance (ESR) can reconstruct late-stage exhumation histories at shallow crustal depths during the Quaternary period. This technique proposed several decades ago has recently become practical, as the analytical protocol was facilitated by instrument development. In the past few years, ESR thermochronometry has been successfully applied in several regions to reconstruct the exhumation histories and topographic changes, and expected to be applied in more various regions. Thus, we have investigated the exhumation history of Tanigawa-dake area in Japan using ESR thermocoronometry. This study has applied ESR thermochronometry for quartz grains extracted from interiors of two granitoids in the Tanigawa-dake area. We performed a series of ESR measurements, heating experiments, and X-ray irradiation experiments for the quartz grains to obtain radiation dose responses and thermal decay properties for two types of trapped charges in the quartz grains. We also have analyzed bulk sample radionuclide concentrations and original grain size distributions of quartz minerals within the granites to calculate annual dose rates. For the dose response, unsaturated dose response curves were obtained by fitting a single exponential function with a good correlation. For the thermal decay property, we obtained experimental data from isothermal heating experiments. In this presentation, we will show kinetic parameters that describe charge trapping/detrapping processes of the trapped charges in the crust and discuss an exhumation history in Tanigawa-dake area, reconstructed by inverse modelling with the parameters.

Exhumation history and uplift mechanism of the Hida Range based on formation depths/ages of the Pliocene-Quaternary plutons

Sueoka, Shigeru; Kawakami, Tetsuo*; Suzuki, Kota*; Kagami, Saya; Yokoyama, Tatsunori; Nagata, Mitsuhiro; Yamazaki, Ayu*; Higashino, Fumiko*; King, G. E.*; Tsukamoto, Sumiko*; et al.

no journal, , 

Young plutons of 10-0.8 Ma, including the world's youngest Kurobegawa pluton, are exposed in the Kurobe area of the Hida Range, central Japan, indicating rapid rock uplift and exhumation in the Quaternary. However, reconstructing the exhumation history has been challenging because interpretations of the thermochronologic data are difficult due to the complicated, recent and active thermal history/structure. Here we are determining the exhumation history by estimating formation depths and ages of the young plutons based on Al-in-Hb geobarometry and zircon U-Pb geochronometry, respectively. At JpGU2021, we reported the preliminary results based on three datapoints from the ~5 Ma plutons and one datum from the ~0.8 Ma pluton, suggesting the three following interpretations: (1) formation depths of ~5 Ma and ~0.8 Ma plutons were estimated to be ~6-9 km, which indicates an increase of the exhumation rate after ~0.8 Ma, (2) mean exhumation rate since ~0.8 Ma was computed at 8-10 mm/yr in the Baba-dani area, (3) the formation depths are uniform in the E-W direction, disagreeing with the eastward tilting model. As of January 2022, we have obtained 14 datapoints in total: five from the ~5 Ma plutons, two from the ~2-1 Ma plutons, five from the ~0.8 Ma plutons, and two from the 65 Ma plutons. These additional data are basically consistent with the previous data, reinforcing the three interpretations above. Recently, new uplift models of the Kurobe area were proposed, in addition to the eastward tilting model. Ito et al. (2021) suggested that the Kurobegawa pluton is a resurgent pluton of the Jiigatake caldera and was uplifted by the resurgence. Kawasaki (2021) proposed that displacements related to the E-W compression are localized along the Kurobe area due to the high geothermal gradient caused by presence of thermal fluid interstratified layers. We are planning to discuss consistency between our data and these two models.

Will ESR thermochronometry reveal the timing of Rhne valley incision?

King, G. E.*; Wen, X.*; Bartz, M.*; Anderson, L.*; Bossin, L.*; Tsukamoto, Sumiko*; Li, Y.*; Herman, F.*; Ogata, Manabu; Sueoka, Shigeru

no journal, , 

The 2024 Noto Peninsula Earthquake and the million year preceding it

Malatesta, L.*; Weiss, N.-M.*; Ishimura, Daisuke*; Gailleton, B.*; Nishimura, Takuya*; Takahashi, Naoya*; Tsukamoto, Sumiko*; Komatsu, Tetsuya; Iwasa, Yoshiya*; Sueoka, Shigeru; et al.

no journal, , 

no abstracts in English

Active faults and coastal landscapes in the back arc of Central Japan; Lessons from the Mw 7.5 Noto Peninsula earthquake

Malatesta, L.*; Weiss, N.-M.*; Tsukamoto, Sumiko*; Sueoka, Shigeru; Ishimura, Daisuke*; Gailleton, B.*; Nishimura, Takuya*; Takahashi, Naoya*; Kataoka, Kyoko S.*; Komatsu, Tetsuya; et al.

no journal, ,