Results 81 to 90 of about 39,707 (262)

Biostratigraphic and magnetostratigraphic synthesis of the Celebes and Sulu Seas, Leg 124 [PDF]

open access: yes, 1991
During ODP Leg 124, late middle Eocene to Quaternary sediment sequences were recovered from 13 holes drilled at five sites in the Celebes and Sulu basins. Paleomagnetic measurements and biostratigraphic studies using calcareous nannofossils, planktonic
Hsu, V.   +7 more
core   +1 more source

Shallow‐Marine, Benthic Ecosystems Show Compositional Shifts in Response to the Paleocene‐Eocene Thermal Maximum (PETM) on the Adriatic Carbonate Platform

open access: yesPaleoceanography and Paleoclimatology, Volume 40, Issue 4, April 2025.
Abstract The response of shallow‐marine ecosystems to the Paleocene‐Eocene Thermal Maximum (PETM) is understudied, and analyses that do exist typically focus on larger benthic foraminifera and coral‐algal reef mound evolution. Here we investigate the dynamics of benthic marine assemblages across the PETM in the Kozina and Čebulovica sections (Slovenia)
A. M. Weiss   +4 more
wiley   +1 more source

STRATIGRAPHY OF THE LOWER OLIGOCENE NUMMULITIC LIMESTONES, NORTH OF SONQOR (NW IRAN)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2018
The lower Oligocene hyaline and porcellaneous larger foraminifera of a carbonate platform setting, north of Sonqor, were studied for high-resolution biostratigraphy in the context of European standard zonation (Shallow Benthic Zones).
MOHSEN YAZDI-MOGHADAM   +3 more
doaj   +1 more source

Taxonomic revision of the family Squalodontidae (Cetacea, Odontoceti): emptying the wastebasket of fragmentary holotypes

open access: yesPapers in Palaeontology, Volume 11, Issue 2, March/April 2025.
Abstract The Squalodontidae are one of the most historic families within the Cetacea, given that Squalodon was first named in 1840. Since Squalodon's initial description, workers in the 1800s were eager to assign heterodont cetacean teeth to this family; as a result, it became a wastebasket with many species based on fragmentary remains.
Margot D. Nelson   +2 more
wiley   +1 more source

Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2010
The distribution of chitinozoans in the Väo Formation (Lasnamägi and Uhaku regional stages, Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia, was investigated from 62 samples.
Tammekänd, Mairy   +2 more
doaj  

Lithostratigraphy, biostratigraphy, and stable-isotope stratigraphy of cores from ODP Leg 105 site surveys, Labrador Sea and Baffin Bay [PDF]

open access: yes, 1989
Trigger weight (TWC) and piston (PC) cores obtained from surveys of the three sites drilled during Ocean Drilling Program (ODP) Leg 105 were studied in detail for benthic foraminiferal assemblages, total carbonate (all sites), planktonic foraminiferal ...
Baki, V.   +7 more
core   +2 more sources

Pliocene and Pleistocene chronostratigraphy and paleoenvironment of the Central Arctic Ocean, using deep water agglutinated foraminifera [PDF]

open access: yes, 1998
Deep-water agglutinated foraminifera (DWAF) were studied from Cores PS2177-5, PS2200-5, PS2212-3 and PS2185-6; from the R/V POLARSTERN ARK-VIII/3 Cruise in the central Arctic Ocean.
Evans, J.R., Kaminski, M.A.
core   +1 more source

CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY AND PALEOCEANOGRAPHY OF THE TOARCIAN OCEANIC ANOXIC EVENT AT COLLE DI SOGNO (SOUTHERN ALPS, NORTHERN ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2015
We present calcareous nannofossil biostratigraphy and abundances for the Upper Pliensbachian-Lower Toarcian interval, including the Toarcian Oceanic Anoxic Event (T-OAE), represented by the Fish Level at Colle di Sogno (N Italy).
CRISTINA EMANUELA CASELLATO   +1 more
doaj   +1 more source

Integrated stratigraphy of the Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation, Neuquén Basin, Argentina [PDF]

open access: yes, 2011
The Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation (Neuquén Basin, Argentina) was studied applying an integrated stratigraphic approach and facies analysis.
Archuby, Fernando   +2 more
core  

Geology of the Quernmore area : 1:10 000 sheet SD55NW : part of 1:50 000 Sheet 59 (Lancaster) [PDF]

open access: yes, 1989
This report describes the surface geology of the 1:10 000 Series sheet SD 55 NW, part of the 1:50 000 Series sheet 59 (Lancaster). Detailed descriptions of the geological sequence encountered in the Wyresdale Tunnel, which crosses beneath the eastern ...
Hughes, R.A.
core  

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