Results 51 to 60 of about 43,211 (183)

First record of Gitolampas subrotundus (Cotteau, 1856) (Echinoidea) from the Late Paleocene of Iran [PDF]

Geološki Anali Balkanskoga Poluostrva, 2019
In this paper we present the first record of well preserved specimens of Gitolampas subrotundus (Cotteau, 1856) from the Late Paleocene of Iran (Jorasan Razavi county, northeast Iran).
Carrasco Jose Francisco, Taherpour-Khalilabad Morteza, Taheri Jafar, Ahmadi-Kooshki Maryam, Majidifard Mahmoud Reza   +4 more
doaj   +1 more source

THE DISTRIBUTION RANGE OF CALCAREOUS NANNOFOSSIL SPECIES RETICULOFENESTRA PSEUDOUMBILICUS IN THE MIOCENE: AN EXAMPLE OF ECOLOGICAL INFLUENCE ON EVOLUTIONARY DEVELOPMENT

Rivista Italiana di Paleontologia e Stratigrafia, 2023
Reticulofenestra pseudoumbilicus is a Neogene calcareous nannofossil species whose highest stratigraphic occurrence (Top) is a reliable biohorizon in the Pliocene, calibrated at 3.82 Ma.
Amalia Notaro, ISABELLA RAFFI, DANIELE REGHELLIN   +2 more
doaj   +1 more source

Orbital Control of Reticulofenestra (Calcareous Nannofossils) Assemblages During the Early Pliocene

Paleoceanography and Paleoclimatology, Volume 41, Issue 9, September 2026.
Abstract Orbital changes have shaped Earth's climate system and influenced the evolution and spatial distribution of marine plankton, including coccolithophores. Some studies have assessed eccentricity's impact on the diversity and morphological evolution of Noelaerhabdaceae taxa during the Quaternary.
Laura Martín‐García, Francisco J. Jiménez‐Espejo, Diana Ochoa, Emília Salgueiro, Montserrat Alonso‐García, Timothy Herbert, Fatima Abrantes, David Hodell, José‐Abel Flores   +8 more
wiley   +1 more source

Calcareous nannofossils mean accumulation rates maps

, 2019
Calcareous nannofossils mean accumulation rates maps for the Lower Toarcian (Jurassic) and Valanginian (Cretaceous) from European land sections and ocean drilling ...
Fabienne Giraud (2840888), Bernard Pittet (7184771), Emanuela Mattioli (7184768), Giraud, Fabienne, Pittet, Bernard, Julien Plancq (6974549), Baptiste Suchéras-Marx (6982523), Allemand, Pascal, Plancq, Julien, Pascal Allemand (6982526), Suchéras-Marx, Baptiste, Gilles Escarguel (7184774), Mattioli, Emanuela, Escarguel, Gilles   +13 more
core   +1 more source

Learning From Crushing Failures: Changes in Physical Properties Reveal the Mechanics of Submarine Carbonate Landslides

Basin Research, Volume 38, Issue 5, September‐October 2026.
Changes in the physical properties of calcareous ooze between intact weak layers and glide planes within the same stratigraphy provide new constraints on the deformation processes and mechanical factors that control the mobility and erosive behaviour of submarine carbonate landslides.
Yan Li, David M. Hodgson, Jeff Peakall, Nan Wu, Mike Clare   +4 more
wiley   +1 more source

Calcareous nannofossils absolute abundance and accumulation rates from Carajuan, France

, 2019
Calcareous nannofossils absolute abundance and accumulation rates from Carajuan ...
Fabienne Giraud (2840888), Bernard Pittet (7184771), Emanuela Mattioli (7184768), Giraud, Fabienne, Pittet, Bernard, Julien Plancq (6974549), Baptiste Suchéras-Marx (6982523), Allemand, Pascal, Plancq, Julien, Pascal Allemand (6982526), Suchéras-Marx, Baptiste, Gilles Escarguel (7184774), Mattioli, Emanuela, Escarguel, Gilles   +13 more
core   +1 more source

Fluid Pathways and Sources Driving Recurring Pockmark Formation on the Chatham Rise, New Zealand

Basin Research, Volume 38, Issue 5, September‐October 2026.
Quasi‐3D seismic data interpretation and spatial pattern analysis indicate that pockmark formation on the SW Chatham Rise is likely driven by a combination of compaction‐related dewatering during polygonal faulting and silica diagenesis, coupled with deeply‐sourced, possibly CO2‐rich fluids from subducted limestones migrating along prominent basement ...
Fynn Warnke, Ingo A. Pecher, Lorna J. Strachan, Jess I. T. Hillman, Gareth Crutchley   +4 more
wiley   +1 more source

Calcareous nannofossils absolute abundance and accumulation rates from Tournadous, France

, 2019
Calcareous nannofossils absolute abundance and accumulation rates from Tournadous ...
Fabienne Giraud (2840888), Bernard Pittet (7184771), Emanuela Mattioli (7184768), Giraud, Fabienne, Pittet, Bernard, Julien Plancq (6974549), Baptiste Suchéras-Marx (6982523), Allemand, Pascal, Plancq, Julien, Pascal Allemand (6982526), Suchéras-Marx, Baptiste, Gilles Escarguel (7184774), Mattioli, Emanuela, Escarguel, Gilles   +13 more
core   +1 more source

A REVISED METHOD FOR OBSERVING THE SAME NANNOFOSSIL SPECIMENS WITH SCANNING ELECTRON MICROSCOPE AND LIGHT MICROSCOPE

Rivista Italiana di Paleontologia e Stratigrafia, 2018
A new method for the observation of the same nannofossil specimens with scanning electron microscope and light microscope, involving the use of a grid, is described.
C. PIRINI RADRIZZANI, D. CASTRADORI, E. ERBA, G. GUASTI, A. RIZZI   +4 more
doaj   +1 more source

Event Deposits Recorded Over the Past 800 kyr in IODP Hole U1433A (South China Sea): Implications of a Revised Methodology for Chronology and Paleoclimate Reconstruction

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract Instantaneous event deposits such as turbidites, debrites, and slumps are common and frequently occur in marginal seas. These instantaneous deposits represent seconds to days in duration, and can therefore significantly impact age‐depth models and interpretation of paleoclimate history based on thick sedimentary sequences recovered in deep ...
Xunpeng Li, Shuang Sun, Yuwei Zhang, Ziqiang Mao, Lina Jin, Yulong Zhao, G. Ian Alsop, Zhifei Liu, Yin Lu   +8 more
wiley   +1 more source