Results 31 to 40 of about 18,553 (211)

Coccolithophore calcification response to past ocean acidification and climate change [PDF]

, 2014
Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores.
Poulton, Alex J.; id_orcid, Gibbs, SJ, Wilson, Paul, Wilson, Paul A., Wilson, Paul A, Wilson, PA, Gibbs, Samantha J, Brown, Paul R., O'Dea, Sarah, Gibbs, Samantha, Newsam, Cherry, Newsam, C, Poulton, Alex J, Bown, PR, Poulton, AJ, Young, JR, O'Dea, SA, Bown, Paul R., O’Dea, Sarah A., Poulton, Alex J., Gibbs, Samantha J., Young, Jeremy R., O'Dea, Sarah A., Bown, Paul R   +23 more
core   +1 more source

Calcareous nannofossils at the upper part of Gurpi Formation and the lower part of Pabdeh Formation at Arkavaz section, south east Ilam [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2019
In this study the Paleocene sediments have been investigated at the upper part of Gurpi Formation and the lower part of Pabdeh Formation at Arkavaz section in southeast of Ilam.
Saeedeh Senemari
doaj   +1 more source

Leg 199 summary [PDF]

, 2002
Ocean Drilling Program (ODP) Leg 199, "The Paleogene Equatorial Transect" (Sites 1215-1222), was designed to study the evolution of the equatorial Pacific current and wind system as Earth went from maximum Cenozoic warmth to initial Antarctic glaciations.
Lyle, M., Vanden Berg, M.D., Quintin, L., Wilson, P.A., Backman, J., Pälike, H., Coxall, H.K., Janecek, T.R., Raffi, I., Moore, T.C., Nomura, R., Nigrini, C.A., Faul, K., Tripati, A.K., Parés, J.M., Rea, B.R., Kruse, S., Wade, B.S., Nishi, H., Lanci, L., Hovan, S.A., Lear, C.H., Gaillot, P.A., Knoop, P., Busch, W.H., Norris, R.D., Rea, D.K., Steiger, T.H.   +27 more
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UPPER CRETACEOUS-OLIGOCENE TETHYAN AGGLUTINATED BENTHIC FORAMINIFERAL SPECIES OF THE GENUS ARENOBULIMINA [PDF]

Geological Behavior, 2023
The agglutinated test of the genus Arenobulimina has trochospirally enrolled, four or more chambers per whorl, aperture interiomarginal with a simple arch or loop, which has a comprising various species.
Haidar Salim Anan
doaj   +1 more source

Typification of the genus Zizyphoides Seward et Conway (Magnoliophyta, Trochodendraceae)

Acta Palaeobotanica, 2021
Type material of Paliurus colombii Heer, Populus arctica Heer, Hakea arctica Heer, and Hedera macclurii Heer from the Atanikerdluk locality (Paleocene, Greenland) was restudied based on the original collection, stored in the National Museum of ...
Anastasia A. Zolina, Steven Manchester, Lina Golovneva   +2 more
doaj   +1 more source

Discussion and significance of evidence for Paleocene strata by drilling in Yingcuixuan area of Xihu Sag [PDF]

Youqicang pingjia yu kaifa
The Xihu Sag of the East China Sea Shelf Basin is characterized by thick Cenozoic sediments. Extensive research has been conducted on the geological conditions and hydrocarbon accumulation of the Eocene, Oligocene, and Miocene strata, with limited ...
JIANG DONGHUI, ZHUANG JIANJIAN, XING LYUYA, ZHANG CHUANYUN, YUAN ZHONGPENG, YANG CHAO   +5 more
doaj   +2 more sources

Paleocene-Eocene foraminifera from the Tuz Gölü Basin (Salt Lake Basin, Central Türkiye) and their paleoenvironmental interpretations

Bulletin of the Mineral Research and Exploration
Paleocene-Eocene aged sediments from the east of Tuz Gölü Basin (Central Türkiye) provide significant data for foraminifera contents and their paleoenvironmental clues.
Aynur Hakyemez, Alper Bozkurt, Mustafa Yıldız, Muhittin Görmüş   +3 more
doaj   +1 more source

The first fossil representative of the dragonfly family Synthemistidae

Acta Palaeontologica Polonica
Gallosynthemis bechlyi gen. et sp. nov., described from the Paleocene maar of Menat (Puy-de-Dôme, France) is the firstever fossil record of the dragonfly family Synthemistidae. It shows the main synapomorphies of the family, viz.
Andre Nel, Valerie Ngo Muller, Romain Garrouste, Mathieu Boderau   +3 more
doaj   +1 more source

First shark record (Chondrichthyes, Elasmobranchii) from the Paleogene of Spitsbergen, Svalbard [PDF]

Polish Polar Research, 2019
This is a short report about the first Cenozoic shark fossil from Svalbard. The specimen derives from the late Paleocene greenish sandstone of the Grumantbyen Formation, which is exposed in Fossildalen on the western side of Colesbukta on Spitsbergen ...
Thomas Mörs, Jonas Hagström, Andrzej Kaim, Krzysztof Hryniewicz   +3 more
doaj   +1 more source

The mid-Paleocene fruit and seed flora from the Fort Union Formation of Newell’s Nook, southeastern Montana, USA

, 2022
The middle Paleocene Newell’s Nook biota of the Tongue River Member of the Fort Union Formation, southeastern Montana, is best known for its early Tiffanian mammalian fauna.
Indah B. Huegele, Steven R. Manchester
core   +1 more source