Stratigraphy and Chronology of Widespread Tephra Layers during the Past 430 ky in the Kinki District and the Yatsugatake Mountains: Major Element Composition of the Glass Shards Using EDS Analysis

Nagahashi, Yoshitaka; Yoshikawa, Shinya; Miyakawa, Chihiro; Uchiyama, Takashi; Inouchi, Yoshio

doi:10.4116/jaqua.43.15

Cited by 79 publications

(36 citation statements)

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“…The elemental compositions of the major Quaternary tephras with some petrographic characteristics were compiled by Machida and Arai (2003). The following are other studies in the literature describing the major elemental composition of volcanic glass shards of the Quaternary-Neogene tephras: the Holocene to the late Middle Pleistocene: Aoki and Arai (2000), Aoki et al ( , 2008, Nagahashi et al (2004, Aoki and Machida (2006), and Nagahashi and Ishiyama (2009); the Middle Pleistocene to the Pliocene: Nagahashi et al (2000), Tamura et al (2008), Kotaki et al (2011), andSuzuki et al (2011); and the Miocene: Hiranaka et al (2007). Major marine tephra studies around the Japanese islands in locations other than in the Japan Sea include the following: general: Machida and Arai (1983, 1988, 2003 and Furuta et al (1986); NW Pacific: Fujioka (1983), Cambray et al (1990), Aoki and Arai (2000), Aoki et al ( , 2008, Aoki and Machida (2006), Aoki and Ohkushi (2006), Suganuma et al (2006), Aoki (2008), and Ikehara et al (2013); Izu-Bonin: Fujioka et al (1992aFujioka et al ( , 1992b and Nishimura et al (1992); South of Japan: Ikehara et al (2006Ikehara et al ( , 2011 and Kutterolf et al (2014); East China Sea: Cambray et al (1990) and Moriwaki et al (2011).…”

Section: Reviewsmentioning

confidence: 99%

“…For example, fluctuations in East Asian monsoons are thought to be recorded in the sediments of Lake Biwa (Kuwae et al 2002;Nakagawa et al 2008), Lake Suigetsu (Nakagawa et al 2003), and the Japan Sea Ikehara 2003;Tada 2004;Ikehara and Fujine 2012). Because Lake Biwa and Lake Suigetsu are located close to the Japan Sea, several tephras found in Lake Biwa (Yoshikawa and Inouchi 1993;Nagahashi et al 2004;Satoguchi et al 2008) and Lake Suigetsu (Smith et al 2013), such as the K-Ah, U-Oki, AT, and Aso-4 tephras, also occur in the Japan Sea (e.g., Arai et al 1981;Furuta et al 1986;Nakajima et al 1996) and can therefore connect those different depositional environments.…”

Section: Tephra As a Paleoceanographic And Paleoclimatological Toolmentioning

confidence: 99%

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Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

Ikehara

2015

Prog. in Earth and Planet. Sci.

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Tephra is a product of large and explosive volcanic events and can travel thousands of kilometers before deposition. Consequently, tephra deposits are common in terrestrial, lacustrine, marine, and glacial environments. Because tephra deposition is a geologically synchronous event, tephras constitute important isochrones in the Quaternary sequence, not only in Japan but also throughout the northwest Pacific and its marginal seas. As a result, establishing the chronostratigraphic order of tephra deposits is an effective tool for assessing local and regional stratigraphies and for correlating events among sites. For example, tephrostratigraphy can provide precise chronological constraints for other stratigraphic data, such as magneto-and biostratigraphic data. Spatiotemporal variability in the occurrence and geochemistry of tephras can also be used to trace the magmatic evolution of island arcs and their relationships to regional tectonics. In a paleoclimatic context, tephra deposits allow the correlation of past climate events among terrestrial, lacustrine, and marine environments. Tephrochronology is also a fundamental element used in reconstructing the marine reservoir effect, where the ages of tephra in marine and terrestrial settings are compared. Therefore, tephra is a valuable tool not only in stratigraphy, chronology, and volcanology but also in paleoceanography and paleoclimatology.

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Section: Reviewsmentioning

confidence: 99%

Section: Tephra As a Paleoceanographic And Paleoclimatological Toolmentioning

confidence: 99%

Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

Ikehara

2015

Prog. in Earth and Planet. Sci.

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“…1999) was recovered from the 1400‐m core penetrating the top 250‐m muddy sediments (T‐bed) of Lake Biwa (Takemura 1990), with an established time control covering MIS1–11 (Meyers et al . 1993; Yoshikawa & Kuwae 2001; Nagahashi et al . 2004a).…”

Section: Discussionmentioning

confidence: 99%

MIS11–19 pollen stratigraphy from the 250‐m Choshi core, northeast Boso Peninsula, central Japan: Implications for the early/mid‐Brunhes (400–780 ka) climate signals

Okuda¹,

Nakazato

Miyoshi

et al. 2006

Island Arc

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The 250-m Choshi core (CHOSHI-1), drilled from hemipelagic muds of the Inubo Group, has been physically, geochemically and tephrochronologically analyzed back to 1 Ma. We provide pollen results for the 19-169 m section of the core (400-780 ka) bracketed by the marker tephra Ty1 (equivalent to J4) and the Brunhes-Matuyama paleomagnetic boundary. The results show good agreement with the corresponding oxygen isotope (δ 18 O) profile, with high δ 18 O intervals dominated by boreal conifers Picea, Abies, Pinus (subgen. Haploxylon) and Tsuga (diversifolia), whereas low δ 18 O intervals are dominated by temperate conifers Cryptomeria, Taxaceae-Cephalotaxaceae-Cupressaceae and Sciadopitys. In order to confirm pollen-climate relations for the relevant taxa, a modern surface pollen dataset for the Japanese archipelago was consulted. In this analysis, the ratios of Cryptomeria/Picea and temperate/boreal conifers serve as proxies for the 100-kyr glacial/ interglacial cycle during the Middle Pleistocene. Distinct signals for marine isotope stages (MIS) 11, 12, 13-15, 16, 17 and 18-19 are recognized in accordance with the tephrochronology and δ 18 O of the same core. Application of the criteria to an independent pollen record from Lake Biwa provides an integrated pollen stratigraphy for mid-latitude Japan during the past 800 ky. Some degree of uncertainty remains in the chronology of the MIS13-15 interval, relating to the uncertainty in the eruption age of widespread tephra Ks11.

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“…Operating conditions were 15 kV accelerating voltage, 0.3 nA electric current on a faraday cup, and 5 μm × 5 μm beam scanning area (Nagahashi et al 2003). A geographically representative spread of volcanic glass chemistry for the past 5 Ma is reported in numerous land-based tephra studies (e.g., Kimura et al 2015;Nagahashi et al 2004. Using these correlations, we obtained the relative ages of tephra layers from site C0018 (Table 3; Fig.…”

Section: Tephrochronologymentioning

confidence: 99%

“…6 Major oxide compositions of on-land reference tephras and tephras in C0018. The data of the on-land tephras (Table 3; Hayashida et al 1996;Kuwae et al 2002;Nagahashi et al 2004Nagahashi et al , 2015Suzuki et al 2005;Yoshikawa and Mitamura 1999) are marked by triangles, and data of the C0018-tephras are marked by circles. Matching tephras are highlighted by the same color.…”

Section: Sea Level Changesmentioning

confidence: 99%

Possible climate preconditioning on submarine landslides along a convergent margin, Nankai Trough (NE Pacific)

Kremer

Usman

Satoguchi

et al. 2017

Prog Earth Planet Sci

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Submarine landslides are major agents of sediment mass transfer from the shallow to deep sea. Due to their rapid emplacement and tsunamigenic potential, such landslides are significant geohazards for society and offand on-shore infrastructure. The relationship between climate change and the occurrence of submarine landslides is widely debated. However, there is a lack of continuous long-term submarine landslide records with which to comprehensively understand the relationship between climate-driven forces and submarine landslide occurrence. Here, using oxygen isotope stratigraphy in combination with tephrochronology, we date a 1 Myr continuous record of six landslide deposits (at 13.0-14.2, 323-339, 372-384, 394-413, 508-521, and 857-867 ka) recorded in a slope basin of the Nankai Trough subduction zone, off-shore Japan, which represents the major outcome of this study. The ages of the six landslides coincide mostly with interglacial periods. Thus, we propose that climate forcing might act as a preconditioning factor for slope instability in this active tectonic region.

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Stratigraphy and Chronology of Widespread Tephra Layers during the Past 430 ky in the Kinki District and the Yatsugatake Mountains: Major Element Composition of the Glass Shards Using EDS Analysis

Cited by 79 publications

References 2 publications

Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

Marine tephra in the Japan Sea sediments as a tool for paleoceanography and paleoclimatology

MIS11–19 pollen stratigraphy from the 250‐m Choshi core, northeast Boso Peninsula, central Japan: Implications for the early/mid‐Brunhes (400–780 ka) climate signals

Possible climate preconditioning on submarine landslides along a convergent margin, Nankai Trough (NE Pacific)

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