Results 1 to 10 of about 816 (165)

Sedimentological and paleontological analysis of the Lower Jurassic part of the Zatrnik Formation on the Pokljuka plateau, Slovenia

open access: yesGeologija, 2021
The uppermost Ladinian to Lower Jurassic Zatrnik Formation is the lithostratigraphic unit of the Mesozoic deeper marine Bled Basin. The uppermost part of the Zatrnik Formation and the transition into the overlying Ribnica Breccia was logged at the ...
Luka GALE   +3 more
doaj   +1 more source

FAME (v1.0): a simple module to simulate the effect of planktonic foraminifer species-specific habitat on their oxygen isotopic content [PDF]

open access: yesGeoscientific Model Development, 2018
The oxygen-18 to oxygen-16 ratio recorded in fossil planktonic foraminifer shells has been used for over 50 years in many geoscience applications. However, different planktonic foraminifer species generally yield distinct signals, as a consequence of ...
D. M. Roche   +5 more
doaj   +1 more source

A new evidence of passing the Maastichtian–Paleocene boundary by larger benthic foraminifers: The case of Elazigina from the Maastrichtian Tarbur Formation of Iran [PDF]

open access: yesActa Palaeontologica Polonica, 2018
We describe a new Maastrichtian species of the benthic foraminifer Elazigina siderea from Tarbur Formation. Its main characters are the presence of heavy feathered umbilical sutures, a wide umbilical plug, and umbilical piles.
Lorenzo Consorti, Koorosh Rashidi
doaj   +1 more source

Foraminifer or Sponge? [PDF]

open access: yesNature, 1893
UNDER the above heading in last week's NATURE Dr. Hanitsch briefly draws our attention to Mr. A. Goes' report on the deep sea organisms procured by Prof. Agassiz in the American tropical Pacific, which he describes as Arenaceous Foraminifera, with the name Neusina Agassizi.
openaire   +5 more sources

Burdur güneybatısı (Yarışlı Gölü güneyi, Batı Türkiye) Selandiyen yaşlı bentik foraminifer toplulukları ve bazı taksonomik revizyonlar

open access: yesBulletin of the Mineral Research and Exploration, 2019
Bu çalışmada, yeni cinsler ve yeni türler tanımlanmıştır. Tanımlanan üç yeni cins; Neosistanites (tip tür Sistanites iranica), Parahaymanella (tip tür Parahaymanella hakyemezae) ve Pseudohottingerina (tip tür Pseudohottingerina burdurensis)’dir ...
Şükrü ACAR
doaj   +1 more source

An Aberrant Foraminifer [PDF]

open access: yesNature, 1871
I CHANCED upon an aberrant form of Peneroplis the other day, in which the free terminal series of chambers of this Foraminifer, ordinarily single, is constricted into two distinct tubes.
openaire   +2 more sources

The Nitrogen Isotopic Composition of Tissue and Shell‐Bound Organic Matter of Planktic Foraminifera in Southern Ocean Surface Waters

open access: yesGeochemistry, Geophysics, Geosystems, 2020
We present the first nitrogen isotope (δ15N) measurements of planktic foraminifera, paleoceanographically important zooplankton, from the nutrient‐rich waters of the modern Southern Ocean. Foraminifera were collected from net tows in the Subantarctic and
Sandi M. Smart   +9 more
doaj   +1 more source

Holocene trends in the foraminifer record from the Norwegian Sea and the North Atlantic Ocean [PDF]

open access: yesClimate of the Past, 2010
The early to mid-Holocene thermal optimum is a well-known feature in a wide variety of paleoclimate archives from the Northern Hemisphere. Reconstructed summer temperature anomalies from across northern Europe show a clear maximum around 6000 years ...
C. Andersson   +4 more
doaj   +1 more source

Phenotypic Evolution in a Cretaceous Foraminifer [PDF]

open access: yesEvolution, 1982
Statistically well-documented sequences of fossil species are rare, as has been observed, for example, by Eldredge and Gould (1972), Boucot (1978) and Dodson and Hallam (1977). Rapid advances in theoretical paleontology made over the last few years have, however, made it imperative that the many new and exciting theories we now have at our disposal be ...
openaire   +2 more sources

MALATYA OLİGO-MİYOSEN İSTİFİNİN BENTİK FORAMİNİFER BİYOSTRATİGRAFİSİ (DOĞU TOROSLAR, DOĞU TÜRKİYE)

open access: yesBulletin of the Mineral Research and Exploration, 2015
Bu çalışma ile, Doğu Toroslar’da Malatya ilinin batısındaki Akçadağ ilçesi civarında geniş alanlarda yüzeyleyen Oligo-Miyosen yaşlı Muratlı ve Petekkaya formasyonlarının bentik foraminifer biyostratigrafisi ortaya konulmuştur.
Fatma GEDİK
doaj   +1 more source

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