Refined Neogene diatom biostratigraphy for the northwest Pacific around Japan, with an introduction of code numbers for selected diatom biohorizons.

Yanagisawa, Yukio

doi:10.5575/geosoc.104.395

Cited by 324 publications

(153 citation statements)

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“…F10) follows the work of (ODP Leg 127/ 128), Barron and Gladenkov (1995) (ODP Leg 145), Yanagisawa and Akiba (1998), and Watanabe and Yanagisawa (2005). Although the majority of the biostratigraphy follows the work of , the zonal schemes are refined as needed.…”

Section: Diatoms Diatom Zonal Scheme and Taxonomymentioning

confidence: 99%

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Tada¹,

Murray²,

Zarikian³

et al. 2015

Proceedings of the IODP

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Section: Diatoms Diatom Zonal Scheme and Taxonomymentioning

confidence: 99%

“…Key stratigraphic species were identified based on previous work of , Barron and Gladenkov (1995), and Yanagisawa and Akiba (1998).…”

Section: Diatoms Diatom Zonal Scheme and Taxonomymentioning

confidence: 99%

Methods

Tada¹,

Murray²,

Zarikian³

et al. 2015

Proceedings of the IODP

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“…4, 7). The presence of Azpeitia komurae (FO at 6.7 Ma, LO at 6.4 Ma) (Yanagisawa & Akiba 1998) in Unit I indicates that the sequence is at least not younger than 6.4 Ma.…”

Section: Stratigraphic Interpretation Of Resultsmentioning

confidence: 99%

Upper Maeotian-Lower Pontian "Transitional Strata" in the Taman Peninsula: stratigraphic position and paleogeographic interpretation

Radionova¹,

Golovina²

2011

Geologica Carpathica

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Three sections (Taman, Popov Kamen, and Zheleznyi Rog) of the Upper Maeotian-Lower Pontian sediments of the Taman Peninsula (Eastern Paratethys) have been studied. The sequences represent continuous successions of the Maeotian and Pontian sediments. The transitional Upper Maeotian-Lower Pontian relatively deep-water sediments were formed at the time when Eastern Paratethys was connected with other marine basins. The facies are represented by thin clay layers interbedded with laminated diatomites and contain unusual diatom and nannofossil associations. The small size of coccoliths and the absence of zonal markers indicate that the influx of marine waters took place in the stressed conditions of a restricted basin. Diatom assemblages are more diverse and include the open-marine species Azpeitia aff. komurae and Thalassiosira maruyamica and marine endemics Actinocyclus aff. paradoxus, Rhizosolenia bezrukovii, Hemiaulus sp., Nitzschia miocenica of the tropical Nitzschia miocenica Zone and -the index species of next Thalassiosira convexa Zone appear in these part of the sections. Three stages of the Mediterranean marine invasion are distinguished; during the first one the connection between basins was rather permanent, for the two others its character became pulsing and not stable. The possible duration of the invasion is estimated from 6.4 to 6.1 Ma and belongs to the Early Messinian -to pre-evaporate deposits and lower part of lower evaporate deposits.

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“…The Neogene Nordic Seas diatom zonation of Koç and Scherer (1996), the North Pacific diatom zonation of Akiba (1986), and the Neogene North Pacific diatom (NPD) zone code system of Yanagisawa and Akiba (1998) are used for the Neogene intervals. The Oligocene and Eocene zonation is modified from the Norwegian Sea diatom zonation of Schrader and Fenner (1976), Dzinoridze et al (1978), Fenner (1985, and Scherer and Koç (1996).…”

Section: Diatomsmentioning

confidence: 99%

Methods

2006

Proceedings of the IODP 302

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Refined Neogene diatom biostratigraphy for the northwest Pacific around Japan, with an introduction of code numbers for selected diatom biohorizons.

Cited by 324 publications

References 0 publications

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Upper Maeotian-Lower Pontian "Transitional Strata" in the Taman Peninsula: stratigraphic position and paleogeographic interpretation

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