Towards an integrated mega-, micro- and magneto-stratigraphy of the Upper Cretaceous in Japan.

Toshimitsu, Seiichi

doi:10.5575/geosoc.101.19

Cited by 118 publications

(51 citation statements)

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“…In this study, we recognise 4 inoceramid biozones above the I. teshioensis Partial-range Zone in both areas by using inoceramid species that Toshimitsu et al (1995) defined as inoceramid zonal indices. These biozones are as follows, in ascending order: 1) the Inoceramus uwajimensis Interval Zone (redefined), which is defined in this study as the stratigraphic interval from the lowest occurrence of I. uwajimensis to the lowest occurrence of Cremnoceramus mihoensis; 2) the Cremnoceramus mihoensis Interval Zone, which is defined as the stratigraphic interval from the lowest occurrence of Cr.…”

Section: Inoceramid Biozonesmentioning

confidence: 99%

“…The Turonian/Coniacian boundary is located in the lowest part of the Haborogawa Formation and has been defined by the lowest occurrence of the inoceramids Didymotis costatus and the occurrence of the ammonoid Barroisiceras onilahyense (Funaki and Hirano 2004) (Text-fig.7). The Coniacian/Santonian boundary is located in the lower part of the Haborogawa Formation and has been defined by the lowest occurrence of I. amakusensis (Toshimitsu 1988;Toshimitsu et al 1995;Oizumi et al 2005) (Text-fig.7). The Santonian/Campanian boundary is located in the upper part of the Haborogawa Formation and has been defined by the lowest occurrence of Platyceramus japonicus (Toshimitsu et al 1995;Oizumi et al 2005) (Text-fig.7).…”

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

“…The Coniacian/Santonian boundary is located in the lower part of the Haborogawa Formation and has been defined by the lowest occurrence of I. amakusensis (Toshimitsu 1988;Toshimitsu et al 1995;Oizumi et al 2005) (Text-fig.7). The Santonian/Campanian boundary is located in the upper part of the Haborogawa Formation and has been defined by the lowest occurrence of Platyceramus japonicus (Toshimitsu et al 1995;Oizumi et al 2005) (Text-fig.7). Funaki and Hirano (2004) recognised 7 inoceramid biozones in the Obira area by using inoceramid species that Toshimitsu et al (1995) defined as inoceramid zonal indices.…”

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

“…The Santonian/Campanian boundary is located in the upper part of the Haborogawa Formation and has been defined by the lowest occurrence of Platyceramus japonicus (Toshimitsu et al 1995;Oizumi et al 2005) (Text-fig.7). Funaki and Hirano (2004) recognised 7 inoceramid biozones in the Obira area by using inoceramid species that Toshimitsu et al (1995) defined as inoceramid zonal indices. These biozones are as follows, in ascending order: 1) the Inoceramus virgatus Interval Zone; 2) the Actinoceramus sp.…”

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

“…Inoceramids are also abundant in the Cretaceous strata exposed in Hokkaido, Japan (e.g., Takahashi 2005), and inoceramid-based biostratigraphic studies have been carried out for a long time (e.g., Matsumoto 1959;Tanabe et al 1977). Toshimitsu et al (1995) integrated the ammonoid, inoceramid, foraminiferal, radiolarian and palaeomagnetic stratigraphies, and their scheme is widely followed in biostratigraphic studies in Japan (e.g., Wani and Hirano 2000;Moriya and Hirano 2001;Oizumi et al 2005). Unfortunately, the North Pacific biotic province was well established since the Middle Albian (Iba and Sano 2007) and only a few interprovincial age-diagnostic taxa are known from the Japanese Upper Cretaceous, such as Mytiloides incertus (Jimbo), also reported from the Upper Turonian of the A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan TATSUYA HAYAKAWA 1 AND HIROMICHI HIRANO Euramerican and South African provinces (e.g., Tröger 1967;Noda 1984;Noda and Matsumoto 1998;Walaszczyk and Cobban 2000;Diebold et al 2010).…”

Section: Introductionmentioning

confidence: 99%

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A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan

Hayakawa¹,

Hirano²

2013

Acta Geologica Polonica

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ABSTRACT:Hayakawa, T., Hirano, H. 2013. A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan. Acta Geologica Polonica, 63 (2), 239-263. Warszawa.Biostratigraphic correlations of inoceramid bivalves between the North Pacific and Euramerican provinces have been difficult because the inoceramid biostratigraphy of the Japanese strata has been based on endemic species of the northwest Pacific. In this study, carbon stable isotope fluctuations of terrestrial organic matter are assembled for the Upper Cretaceous Yezo Group in the Haboro and Obira areas, Hokkaido, Japan, in order to revise the chronology of the inoceramid biozonation in Japan. The carbon isotope curves are correlated with those of marine carbonates in English and German sections with the aid of age-diagnostic taxa. According to the correlations of the carbon isotope curves, 11 isotope events are recognised in the sections studied. As a result of these correlations, the chronology of the inoceramid biozones of the Northwest Pacific has been considerably revised. The revised inoceramid biozones suggest that the timing of the origination and extinction of the inoceramids in the North Pacific biotic province is different from the stage/substage boundaries defined by inoceramids, as used in Europe and North America.

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Section: Inoceramid Biozonesmentioning

confidence: 99%

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

Section: Stratigraphic Distributions and Geological Ages In Previous mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan

Hayakawa¹,

Hirano²

2013

Acta Geologica Polonica

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Intercontinental correlation of organic carbon and carbonate stable isotope records: evidence of climate and sea‐level change during the Turonian (Cretaceous)

Jarvis

Trabucho‐Alexandre

Gröcke

et al. 2015

The Depositional Record

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Carbon (d 13 C org , d 13 C carb ) and oxygen (d 18 O carb ) isotope records are presented for an expanded Upper Cretaceous (Turonian-Coniacian) hemipelagic succession cored in the central Bohemian Cretaceous Basin, Czech Republic. Geophysical logs, biostratigraphy and stable carbon isotope chemostratigraphy provide a high-resolution stratigraphic framework. The d 13 C carb and d 13 C org profiles are compared, and the time series correlated with published coeval marine and non-marine isotope records from Europe, North America and Japan. All previously named Turonian carbon isotope events are identified and correlated at high-resolution between multiple sections, in different facies, basins and continents. The viability of using both carbonate and organic matter carbon isotope chemostratigraphy for improved stratigraphic resolution, for placing stage boundaries, and for intercontinental correlation is demonstrated, but anchoring the time series using biostratigraphic data is essential. An Early to Middle Turonian thermal maximum followed by a synchronous episode of stepped cooling throughout Europe during the Middle to Late Turonian is evidenced by bulk carbonate and brachiopod shell d18 O carb data, and regional changes in the distribution and composition of macrofaunal assemblages. The Late Turonian Cool Phase in Europe was coincident with a period of long-term sea-level fall, with significant water-mass reorganization occurring during the mid-Late Turonian maximum lowstand. Falling D 13 C (d 13 C carb -d 13 C org ) trends coincident with two major cooling pulses, point to pCO 2 drawdown accompanying cooling, but the use of paired carbon isotopes as a high-resolution pCO 2 proxy is compromised in the low-carbonate sediments of the Bohemian Basin study section by diagenetic overprinting of the d 13 C carb record. Carbon isotope chemostratigraphy is confirmed as a powerful tool for testing and refining intercontinental and marine to terrestrial correlations.

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Palaeotemperature curve for the Late Cretaceous of the northwestern circum-Pacific

Zakharov

Boriskina

Ignatyev

et al. 1999

Cretaceous Research

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Towards an integrated mega-, micro- and magneto-stratigraphy of the Upper Cretaceous in Japan.

Cited by 118 publications

References 0 publications

A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan

A revised inoceramid biozonation for the Upper Cretaceous based on high-resolution carbon isotope stratigraphy in northwestern Hokkaido, Japan

Intercontinental correlation of organic carbon and carbonate stable isotope records: evidence of climate and sea‐level change during the Turonian (Cretaceous)

Palaeotemperature curve for the Late Cretaceous of the northwestern circum-Pacific

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