Results 81 to 90 of about 1,486 (212)

CALCAREOUS NANNOPLANKTON OF THE TITHONIAN OF THE EASTERN CRIMEA

Collection of Scientific Works of the Institute of Geological Sciences of the NAS of Ukraine, 2009
Впервые установлен видовой состав известкового нанопланктона в титоне восточного Крыма. Нанофоссилии встречаются редко и имеют малое видовое разнообразие. Полученные данные не дают возможности разделить титон, но позволяют проводить его границы: нижнюю – по исчезновению Stephanilithion bigoti; верхнюю – по расцвету Nannoconus.
openaire   +3 more sources

Development of early calcareous nannoplankton in the late Triassic (Northern Calcareous Alps, Austria)

Global and Planetary Change, 2020
Calcareous nannofossils are considered to be the most productive calcifying organisms, but the impact of their emergence on the chemistry of the ocean in the Late Triassic is not understood yet. Evolutionary details of this bio-event are missing due to the scarcity of well-preserved outcrops worldwide.
Demangel, Isaline, Kovács, Zsófia, Richoz, Sylvain, Gardin, Silvia, Krystyn, Leopold, Baldermann, Andre, Piller, Werner E.   +6 more
openaire   +2 more sources

Magnetostratigraphic and biostratigraphic synthesis of ocean drilling program Leg 105: Labrador Sea and Baffin Bay

, 1989
During Ocean Drilling Program (ODP) Leg 105, three sites (Sites 645 through 647) were drilled in Baffin Bay and the Labrador Sea to examine the tectonic evolution and the climatic and oceanic histories of this region.
J.G. Baldauf, R.D. Jarrard, W.A. Berggren, Clement, B.G., Knüttel, S., F. Hall, Baldauf, J.G., Jarrard, R.D., Lazarus, D., Monjanel, A.-L., J.V. Firth, M.A. Kaminski, A.-L. Monjanel, Kaminski, M.A., Hall, F., P.J. Mudie, Russell, M.D., Aksu, A.E., A. de Vernal, S. Knüttel, D. Lazarus, M.J. Head, M.D. Russell, F.E. Gradstein, Berggren, W.A., Gradstein, F.E., Mudie, P.J., B.G. Clement, de Vernal, A., A.E. Aksu, Head, M.J., Firth, J.V.   +31 more
core   +1 more source

Calcareous nannoplankton fluctuation within the Albian-Cenomanian Boundary Event of the Tethyan Himalaya

Frontiers in Earth Science
A hemipelagic succession 29m thick, situated in South Tibet within the Tethyan Himalaya tectonic unit, has been investigated for its calcareous nannofossil content. A total of 17 samples were subject to qualitative and semi-quantitative analysis.
Mihaela Melinte-Dobrinescu, Mihaela Melinte-Dobrinescu, Xi Chen, Eliza Anton, Vlad Apotrosoaei, Vlad Apotrosoaei, Hanwei Yao   +6 more
doaj   +1 more source

CALCAREOUS NANNOPLANKTON OF APTIAN OF MOUNTINE CRIMEA

Collection of Scientific Works of the Institute of Geological Sciences of the NAS of Ukraine, 2013
Вперше для Гірського Крима наведені дані про стратиграфічне поширення вапняного нанопланктону з аптських відкладів. Показана можливість виділення двох нанопланктонних зон: Chiastozygus litterarius (нижній апт) та Rhagodiscus angustus (средній-верхній апт). Межа апту та альбу встановлена за появою Prediscosphaera cretacea. 
openaire   +3 more sources

Living and fossil calcareous nannoplankton from the Australian sector of the Southern Ocean: Implications for Paleoceanography

, 1998
This study documents the distribution of calcareous nannoplankton in the waters and surface sediments of the Australian Sector of the Southern Ocean, and applies the information to core samples from the region to infer past changes in the ocean between ...
Findlay, CS (15843248)
core   +1 more source

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

Rivista 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, ELISABETTA ERBA   +1 more
doaj   +1 more source

Were Oceanic Plateaus Instrumental for Calcareous Nannoplankton Evolution?

, 2011
The history of calcareous nannoplankton shows a general increase in species richness through the Mesozoic. Fertility and chemistry of the oceans, climate and pCO2 seem instrumental for nannoplankton abundance, diversification and adaptation, but high ...
E. Erba, C.E. Casellato, C. Bottini
core  

Campanian-Maastrichtian calcareous nannofossils from the Romanian Black Sea offshore [PDF]

, 2011
: The work presents the calcareous nannoplankton associations corresponding to the Campanian-Maastrichtian stratigraphic interval of the Romanian offshore area.
ŞINDILAR, Vasile-Dan
core   +1 more source

(Table 6) Latest Oligocene to early Miocene calcareous nannoplankton datum events and their estimated magnetochronology at DSDP Site 72-516

, 1983
(Table 6) Latest Oligocene to early Miocene calcareous nannoplankton datum events and their estimated magnetochronology at DSDP Site 72 ...
Aubry, Marie-Pierre, Hamilton, Norman, Marie-Pierre Aubry (4340995), Berggren, William A, Norman Hamilton (7890782), William A Berggren (6886781)   +5 more
core   +1 more source