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

Reconstructing the thermal structure of shallow crust in the Tono region using multi-OSL-thermometry of K-feldspar from deep borehole core

Ogata, Manabu; King, G. E.*; Herman, F.*; Sueoka, Shigeru

Earth and Planetary Science Letters, 591, p.117607_1 - 117607_14, 2022/08

https://doi.org/10.1016/j.epsl.2022.117607

Optically stimulated luminescence (OSL)-thermometry can be used to reconstruct the thermal structure in slowly denuded regions where infrared stimulated luminescence (IRSL) signals of samples obtained from deep boreholes are measured and evaluated with depth. Until now, only one study has explored this approach, using a target mineral of Na-feldspar. In this study, we applied multi-OSL-thermometry to K-feldspar obtained from deep borehole core samples (MIZ-1) drilled at the Tono region, central Japan, which is a well-documented thermally stable crustal environment. The inverted temperature for the IRSL 50 C of the samples at a depth of 1 km (40 C) were consistent with the in-situ temperature. The results suggest that the application of OSL-thermometry to K-feldspar in a borehole is useful to reconstruct the paleothermal condition.

Electron Spin Resonance (ESR) thermochronometry of the Hida range of the Japanese Alps; Validation and future potential

King, G. E.*; Tsukamoto, Sumiko*; Herman, F.*; Biswas, R. H.*; Sueoka, Shigeru; Tagami, Takahiro*

Geochronology (Internet), 2(1), p.1 - 15, 2020/01

https://doi.org/10.5194/gchron-2-1-2020

no abstracts in English

Two-proton knockout from Mg; Intruder amplitudes in Ne and implications for the binding of F

Fallon, P.*; Rodriguez-Vieitez, E.*; Macchiavelli, A. O.*; Gade, A.*; Tostevin, J. A.*; Adrich, P.*; Bazin, D.*; Bowen, M.*; Campbell, C. M.*; Clark, R. M.*; et al.

Physical Review C, 81(4), p.041302_1 - 041302_5, 2010/04

https://doi.org/10.1103/PhysRevC.81.041302

no abstracts in English

Unravelling rock cooling histories of the Japanese Alps using trapped-charge thermochronometry

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

no journal, , 

The interaction between rates of Earth surface processes, tectonics and climate is particularly pronounced in high mountain regions. However, understanding the interplay between these variables is complicated, in part due to the difficulties of measuring changes in the rates of Earth surface processes at the timescale of glacial-interglacial cycles. Here we investigate the potential of ultra-low temperature thermochronometers based on the luminescence and electron spin resonance (ESR) of feldspar and quartz minerals respectively for understanding changes in exhumation rates in the Hida range of the Japanese Alps. The Japanese Alps bisect the main island of Honshu, uplifted throughout the Quaternary and reach elevations of up to 3,000 m. The youth of these mountains has made measurement of their exhumation histories challenging and we particularly focus on Tateyama, which was glaciated throughout the late Quaternary period. We collected eight samples and analysed them using both luminescence and ESR thermochronometry. Our results show that whereas the luminescence signals of all samples are either in, or close to their upper dating limit (saturation), the ESR signals have the potential to yield finite exhumation rates for this region. We measured the ESR dose response and thermal decay properties of all samples, specifically targeting the Al and Ti centres. Whilst the Ti signals of some samples are saturated, the Al signals of all samples can be inverted to determine rates of rock cooling. Initial inversions reveal rock cooling rates on the order of 80 deg. C/Ma, far beyond the resolution of the luminescence thermochronometry technique. The next step of our investigation is to invert these data to determine rates of rock exhumation, and to relate these values to the climatic (glacial) and tectonic history of the Tateyama region.

Sub-Quaternary exhumation rates changes in the Hida range of the Japanese Alps; A Climatic control?

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

no journal, , 

no abstracts in English

Multi-OSL-thermochronometry using deep borehole core for thermal history over 0.1 Myr in Rokko Mountains

Ogata, Manabu; King, G. E.*; Herman, F.*; Yamada, Ryuji*; Omura, Kentaro*; Sueoka, Shigeru

no journal, , 

Optically stimulated luminescence (OSL) thermochronometry is a tool for constraining cooling histories in low-temperature domains (several tens of degree Celsius) during the past 10-100 kyr. This method is currently applied only to rapidly denuded regions (about 5 mm/yr), because luminescence signals in slowly denuded regions saturate before the rocks are exhumated to the surface. However, cooling histories in slowly denuded regions may be constrained if unsaturated samples are obtained from deep boreholes. We applied multi-OSL-thermochronometry to the deep borehole core drilled at the Rokko Mountains, Japan, where slow denudation rates (0.1-1.0 mm/yr) are expected from previous studies. We used the Kabutoyama core collected by National Research Institute for Earth Science and Disaster Resilience. The total length of Kabutoyama core is 1,313 m and we collected the samples at 408, 642, 818 and 1048 m for OSL-thermochronometry. We found that the sample temperatures remained around the present ambient temperature at each depth for the last 0.1 Myr, indicating that the Rokko Mountains is topographically stable, which was consistent with previous findings. Thus, the thermal denudation history of slowly denuded regions may be constrained by multi-OSL-thermochronometry using samples from deep borehole cores. However, the denudation rates in the Rokko Mountains were too low and could not be determined by this method.

Ultra-low temperature luminescence thermochronometry of the 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

Multi-OSL-thermochronometry of feldspar from Toki granite, Japan

Ogata, Manabu; King, G.*; Herman, F.*; Sueoka, Shigeru

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, ,