Results 21 to 30 of about 12,744 (240)

Two new species of calcareous nannofossils from Jaddala Formation, type section, Northwestern Iraq [PDF]

open access: yesKirkuk Journal of Science, 2017
Two new species are recorded Chiasmolithus Jaddalaensis sp.nov. and Tribrachiatus sinjarensis sp.nov. from surface type section Jaddala Formation (Early- Middle Eocene) that exposed at southern limb of Sinjar anticline, northwestern Iraq.
Omar Ahmed Al-Badrani
doaj   +1 more source

Calcareous nannofossils anchor chronologies for Arctic Ocean sediments back to 500 ka

open access: yesGeology, 2020
Poor age control in Pleistocene sediments of the central Arctic Ocean generates considerable uncertainty in paleoceanographic reconstructions. This problem is rooted in the perplexing magnetic polarity patterns recorded in Arctic marine sediments and ...
M. O’Regan   +4 more
semanticscholar   +1 more source

Novel nannofossils extraction methods from paintings, coupled with GC–MS for provenance determination and binder analysis

open access: yesHeritage Science, 2022
The use of calcareous nannofossils for provenance analysis is a new-old topic for cultural heritage. Several studies have already mentioned it for ceramic, but less for paintings.
Victory Armida Janine Jaques   +4 more
doaj   +1 more source

Stratigraphy and Nannofossil Biozonation of Sarmord Formation on the Qaywan Anticline in Sulaymaniyah Governorate, Northern Iraq

open access: yesIraqi Geological Journal, 2021
The Sarmord Formation is one of the overlooked formations that require more investigations than that achieved before. There are many problems in its definition, age, stratigraphy and aerial distribution.
Kamal Haji Karim
doaj   +1 more source

Lower Eocene sedimentary succession and microfossil biostratigraphy in the central northern Caucasus basin

open access: yesGeologica Acta, 2020
The lower Eocene sediments from the classical Paleogene section exposed along the Kheu River, northern Caucasus, southern Russia are here studied. This ca. 50m thick succession is lithologically contrasting: the lower and upper parts are composed by soft
E. Shcherbinina   +4 more
doaj   +1 more source

CENOZOIC MICROFOSSIL (FORAMINIFERA AND CALCAREOUS NANNOFOSSILS) ASSEMBLAGES FROM THE SUBSURFACE MAGALLANES BASIN, TIERRA DEL FUEGO ISLAND, CHILE

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2021
Foraminifera and calcareous nannofossils from washed drill-cuttings of three wells in the Chilean sector of the Magallanes Basin were studied. This contribution aims to identify, characterize and illustrate microfossil assemblages throughout the Cenozoic
Jens Michael Thissen   +1 more
doaj   +1 more source

A revised chronostratigraphic framework for International Ocean Discovery Program Expedition 355 sites in Laxmi Basin, eastern Arabian Sea [PDF]

open access: yes, 2020
International Ocean Discovery Program Expedition 355 drilled Sites U1456 and U1457 in Laxmi Basin (eastern Arabian Sea) to document the impact of the South Asian monsoon on weathering and erosion of the Himalaya.
Griffith, Elizabeth M   +7 more
core   +2 more sources

Hydrous Carbonatitic Liquids Drive CO2 Recycling From Subducted Marls and Limestones

open access: yesGeophysical Monograph Series, Page 209-221., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Erwin Schettino, Stefano Poli
wiley  

+1 more source

The calcareous nannofossils and magnetostratigraphic results from the Upper Tithonian-Berriasian of Feodosiya region (Eastern Crimea) [PDF]

open access: yes, 2019
This article is concerned with nannofossil study of Tithonian-Berriasian sediments of Eastern Crimea. The NJT 16, NJT 17a, NJT 17b, NKT, and NK 1 nannofossil zones were determined. The occurrence of Nannoconus kamptneri minor, one of the potential marker-
Arkadiev, V.   +4 more
core   +1 more source

Calcareous Nannofossils Biostratigraphy of Gulneri Formation in Sulaimaniya, Northestern Iraq

open access: yesIraqi Geological Journal, 2023
Investigations on the calcareous nannofossils of the Gulneri Formation are being done in the northern Iraqi of Dokan and Pushen areas, Sulimani, Northern Iraq.
Seham Al-Salmani, Omar Al-Badrani
doaj   +1 more source

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