Results 91 to 100 of about 12,744 (240)
Geochemistry, Geophysics, Geosystems, Volume 26, Issue 11, November 2025.Abstract Hydrothermal activity during continental breakup and early oceanic spreading is poorly understood due to limited samples. A basalt‐hosted hydrothermal mineralization, drilled during IODP Expedition 367/368 at the northern South China Sea at the continent‐ocean transition provides a unique opportunity to investigate this phenomenon.
Jörg Follmann +3 more
wiley +1 more source
Calcareous nannofossil biostratigraphy of Sarcheshmeh and Sanganeh formations in the west of Kopet-Dagh Basin, Sheikh Section [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2015 The Kopet-Dagh Basin is located in the north and north east of Iran, within the border triangle of Iran, Turkmenistan and Afghanistan. Sediments of Cretaceous age are well exposed in this basin.
Azam Mahanipour +1 more
doaj +1 more source
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 +4 more
doaj +1 more source
Geophysical Research Letters, Volume 52, Issue 20, 28 October 2025.Abstract The climate–weathering feedback exerts a vital role in long‐term planetary habitability. However, its operational timescales remain unclear due to challenges in quantifying past weathering intensity, especially in marine sediments—the final sink of continental weathering fluxes. Using Holocene Mediterranean sediments as a test case, we examine
Jiawang Wu +9 more
wiley +1 more source
Carnets de Géologie, 2009 For the first time, nannofossils found in the marine stratigraphic unit named "Patagoniano" which crops out at Cerro Chenque and Cerro Hermitte in southeastern Chubut, Argentina, are documented.
Simeoni Margarita
doaj
The equatorial Pacific High-Productivity Belt: Elements for a Synthesis of Deep Sea Drilling Project Leg 85 Resultspaleoceanography [PDF]
, 1985 Leg 85 of the Deep Sea Drilling Project operated in the eastern central Pacific in the region of the equatorial highproductivity belt. We recovered uppermost Eocene to Quaternary reference sections amenable to fine-scale stratigraphic and ...
Barron, John A. +3 more
core +2 more sources
Rivista Italiana di Paleontologia e Stratigrafia, 2004 This multidisciplinary study (facies analysis, sequence stratigraphy, calcareous nannofossils and carbon stable isotopes) focuses on the Lower to Middle Toarcian succession cropping out in the Coimbra region (Northern sector of the Lusitanian Basin ...
LUÍS DUARTE +4 more
doaj +1 more source
New insights on the Sorbas Basin (SE Spain): the onshore reference of the Messinian Salinity Crisis [PDF]
, 2015 International audienceThe Sorbas Basin is the land reference of the Messinian Salinity Crisis (MSC) that affected the Mediterranean Sea in the latest Miocene. Its stratigraphy has been re-visited using calcareous nannofossils and planktonic foraminifers,
Bache, François +19 more
core +5 more sources
, 2012 We describe in detail the Miocene to Quaternary paleoceanography of the western equatorial Pacific Ocean based on calcareous nannofossils of Hole 805B.
M. Farida, Ryo Imai, Tokiyuki Sato
semanticscholar +1 more source
Geologia Croatica, 2012 This work deals with the plankton stratigraphy of the subsurface Upper Cretaceous-Palaeogene succession of theEast Bahariya Concession based on planktonic foraminifera and calcareous nannofossils.
Mohamed Mahsoub +4 more
doaj +1 more source