Daisen Kurayoshi Pumice : Stratigraphy, Chronology, Distribution and Implication to Late Pleistocene Events in Central Japan

Machida, Hiroshi; Arai, Fusao

doi:10.5026/jgeography.88.5_313

Cited by 42 publications

(20 citation statements)

References 4 publications

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“…However, the date obtained here is certainly compatible with that estimated stratigraphically by MACHIDA and ARAI (1979). They noted the succession of some tephras in Northern Kanto area and found that the DKP tephra occurred at the intermediate horizon between the Yunokuchi Pumice (UP, erupted from the Akagi Volcano) and the Hassaki Pumice (HP, from the Haruna Volcano).…”

Section: And Discussionsupporting

confidence: 88%

Age estimation of the Daisen Kurayoshi Pumice using the 230Th-238U radioactive disequilibrium system.

Omura

1986

Daiyonki-kenkyu

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Section: And Discussionsupporting

confidence: 88%

Age estimation of the Daisen Kurayoshi Pumice using the 230Th-238U radioactive disequilibrium system.

Omura

1986

Daiyonki-kenkyu

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“…The fault cuts the Cretaceous Kyushozan granite and offsets the sedimentary layer containing the Daisen-Kurayoshi tephra (DKP, ca. 55 ka) [Machida and Arai, 1979], indicating that it has been active during the late Quaternary period [Sasaki et al, 2011].…”

Section: Study Areamentioning

confidence: 99%

Microfractures within the fault damage zone record the history of fault activity

Mizoguchi

Ueta

2013

Geophysical Research Letters

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For faults without sedimentary covers, there is no robust method to obtain paleoseismic data that is crucial for the prediction of future damaging earthquake events. Sudden failure along faults during earthquakes induces off‐fault damage surrounding such basement faults. We showed that the Quaternary‐active fault has the damage zone characterized by a fracture density that decays exponentially with distance from the fault for both healed and open microfractures. In contrast, Quaternary‐inactive faults contain only healed microfracture damage zone. Cross‐cutting relationships between microfractures and a minimum healing temperature of ~100°C suggest that healed microfractures formed before, and at deeper levels, than did unhealed microfractures. The damage zone defined by open microfractures reflects the recent fault movement during exhumation, associated with erosion and regional uplift, from the maximum depth at which microfractures may remain unhealed. Microfracture analysis can therefore be used to examine the history of basement fault activity.

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“…These moraines are thought to be formed during the late stale of the Last Glacial period, named the Tateyama Stade (Fukai 1975). The narrow NS-trending Saneyaa Hill, about 400 m long, 50 to 60m high, is located below the Yamasaki et al (1966), Fukai (1975), Machida and Arai (1979), Kobayashi (1990) and Kawasumi (2000). Ages of tephras and wood chips are from Yoshii and Oritani (1987), Nakamura et al (1992), Machida and Arai (1992), Kimura (1996), and Machida (1999).…”

Section: Study Area and Previous Studiesmentioning

confidence: 99%

“…Three terminal moraines (I, II, and III in as cending order) of the Yamasaki Cirque were thought to have been formed between 52 and 8.8 ka (early MIS 3 to early MIS 1, Tateyama Stade) on the basis of their stratigraphic rela tionships with DKP (52 to 50 ka) and the peat layer including wood chips (8.8 ka) (Fukai 1975;Machida and Arai 1979;Kobayashi 1990). Each moraine, however, has not been dated in detail because of lack of numerical data.…”

Section: Glacial Expansion During Deposition Of the Jo Dosawa Gravelmentioning

confidence: 99%

Glacial Expansion during the Early Stade of the Last Glacial Period on Mt. Tateyama, Central Japan

Kawasumi

2003

Geogr. Rev. JPN, Chirigaku Hyoron

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Abstract:This paper reconstructs the flow directions and extent of glaciers on the western slopes of Mt. Tateyama (3,015m asl) in central Japan from distribution, materials, and facies of two glacial sediments and related deposits. The timing of the larger glacial expansion during the Last Glacial period is then discussed on the basis of their stratigraphic relationships with dated tephras such as K-Tz (95 to 90 ka), Tt-E (ca. 70 ka), and DKP (52 to 50 ka). The wider glacial extension occurred and deposited the Jodosawa Gravel during Murodo Stade 1(95 to 70 ka) in MIS 5b to 4 (marine oxygen isotope stage 5b to 4). In this substade, the glaciers extended from the non-volcanic Tateyama Main Ridge onto the flat surface of the pyroclastic flow deposits erupted from the Tateyama Volcano, and overflowed to the north from the basin. The glaciers eroded the pyroclastic flow deposits during Murodo Stade I, and extended to at least 2,300m asl. Between Murodo Stades I and II, the glaciers were forcefully melted by the pumice fall erupted from the Tateyama Volcano, and temporarily retreated upstream. During Murodo Stade 11 (70 to 50 ka) in MIS 4 to early MIS 3, the snout of glaciers readvanced to about 2,350 m asl, and deposited the Murodo Gravel. The glacial readvance was restored in size soon after the pumice fall had finished. et al. : Thouret et al. 1997Owen et al. 1997;Richards et al. 2000;Iwasaki et al. 2000a). The glacial fluctuations during MIS 4 and 5, however, have not been recon structed in detail yet. This is due to a lack of glacial landforms and sediments as a result of erosion, and because their ages are beyond the reach of radiocarbon dating. Thus, the timing of the most extensive glacial advance of the Last Glacial period is still uncertain (Gillespie and Molnar 1995). In the western Himalayas, though some glaciers expanded before the gla cial advances of MIS 3, their ages have not been clarified and have been tentatively correlated with MIS 4 or 5 (Owen et al. 1997). In the Hidaka Range of northern Japan, because the glacial expansion of MIS 5 was less extensive than that of MIS 3, the largest glacial advance was tentatively assigned to MIS 6 (Iwasaki et al. 2000b). Therefore, more detailed studies on the extent and timing of glacial expansion during the early stale of the Last Glacial period are still needed to understand the climate changes during the Last Glacial period.Two glacial sediments associated with the early stale of the Last Glacial period have been found on the west side of Mt. Tateyama (3,015 m asl) in central Japan, and their ages have been specified in detail (Fukai 1975;Kawasumi 2000). The further study of these glacial sedi ments is expected to provide important infor mation on glacial extent during the early stale of the Last Glacial period in the Japanese Alps. This paper describes the distribution and facies 854 Glacial Expansion during the Early Stade of the Last Glacial Peri od 219 of these glacial sediments and related deposits , examines the flow directions and extent of gla ...

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Daisen Kurayoshi Pumice : Stratigraphy, Chronology, Distribution and Implication to Late Pleistocene Events in Central Japan

Cited by 42 publications

References 4 publications

Age estimation of the Daisen Kurayoshi Pumice using the 230Th-238U radioactive disequilibrium system.

Age estimation of the Daisen Kurayoshi Pumice using the 230Th-238U radioactive disequilibrium system.

Microfractures within the fault damage zone record the history of fault activity

Glacial Expansion during the Early Stade of the Last Glacial Period on Mt. Tateyama, Central Japan

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