Calcareous nannofossils
Tertiary calcareous nannofossils from the central and southern North Sea Basins, and their biostratigraphical application.
... central and southern North Sea basins was studied (739 samples) to elucidate on the distribution and character of calcareous nannofossils in this commercially.. val[r] ...
450
Calcareous nannofossils from the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn as palaeoenvironmental indicator, Kraków-Silesia Homocline, Poland
... on calcareous nannofossils have been carried out on the Middle–Upper Bathonian succession of Gnaszyn (Kraków-Silesia Homocline, Częstochowa ...the calcareous nannofossil assemblages have been ...
17
A brief warming event in the late Albian: evidence from calcareous nannofossils, macrofossils, and isotope geochemistry of the Gault Clay Formation, Folkestone, southeastern England
... datasets: calcareous nannofossils, ammonites, and the bulk sediment carbon and oxygen stable isotope record, which collectively indicate a brief period ( ∼ 500 kyr) of significant surface water warming (in ...
17
Biostratigraphic Study of the Calcareous Nannofossils of Well 02, Shallow Offshore, Niger Delta, Nigeria
... A calcareous nannofossils biostratigraphic study has been carried out on the strata penetrated of well 02 located in the shallow offshore area of the Niger Delta, ...and nannofossils biozonations of ...
5
Miocene to Pliocene Paleoceanography of the Western Equatorial Pacific Ocean Based on Calcareous Nannofossils, ODP Hole 805B
... Calcareous nannofossils, which have been widely dis- tributed in the world’s oceans since the Mesozoic, are well known as a useful tool for paleoenvironmental analysis as well as for age ...
8
Calcareous Nannofossils in Holocene Surface Sediments of the Persian Gulf
... Calcareous nannofossils are fossil remains of golden-brown, single-celled algae that live only in the ...(the calcareous nannofossils) move to the surface of the ...study. Calcareous ...
14
Investigation of the Boundary between Abderaz and Kalat Formations Based on Calcareous Nannofossils in West Kopet Dagh (NE IRAN)
... of calcareous nannofossils of the Cretaceous is investigated in the boundary between Abderaz and Kalat Formations through the record of species richness, diversity and distribution patterns in the west ...
9
Late Triassic-Early Jurassic Calcareous Nannofossils of the Queen Charlotte Islands, British Columbia
... Pliensbachian sediments of the Ghost Creek, Rennell Junction, and Fannin formations were sampled on Maude Island (stratigraphical section no. The assemblages and biostratigraphy [r] ...
12
Calcareous Nannofossils in Surf ace Sediments of the Central and Northern Parts of the South China Sea
... relative abundance zones of the latter are situated in northern continental shelf and lower continental slope. Highest value of the former is in the area between water depths about 15[r] ...
10
Jurassic calcareous nannofossils and environmental cycles
... f nannofossils through three British Jurassic hem ipelagic mudrock formations: the Black Ven Marls (Sinemurian), the Belem nite Marls (Pliensbachian) and the Oxford Clay ...
141
Albian calcareous nannofossils from the Gault Clay of Munday’s Hill (Bed fordshire, England)
... Nannofossils identified in previous studies to have high latitude preferences occur throughout the Munday’s Hill section but their abundance vary at different levels, being most[r] ...
19
Morphological Description of Calcareous Nannofossils Assemblage of a Middle Miocene to Late Miocene Section in the Niger Delta, Nigeria
... of nannofossils using ...their calcareous nan- nofossils’ content under a high powered Olympus light microscope in cross-polarized and transmitted ...
13
Miocene Calcareous Nannofossils from the Mut Basin, southern Turkey
... The present study confirms the stratigraphic position of the Medetsiz Member (Cyclicargolithus floridanus Zone) above the Mut Limestone Formation (Helicosphaera carteri Zon[r] ...
13
Maastrichtian to early Eocene calcareous nannofossils from Egypt
... These specimens do not have the distinctive characters of this species (broader margin, wide and short cross bars). Also the specimen in pl. This specimen is cons[r] ...
400
A Biostratigraphic Study of Jurassic Calcareous Nannofossils from Portugal and Great Britain.
... Sinemurian to Oxfordian in Portugal. Upper Callovian to Lower Oxfordian in Great Britain. Oxfordian to Lower Cretaceous in the western North Atlantic.. because of th[r] ...
284
Calcareous nannofossils of the Boreal Lower Cretaceous : applications in biostratigraphy and palaeoceanography
... These dates agree broadly with those given in an earlier IKU repon (unpublished), which dates the section below SSm as undifferentiated Ryazanian- Valanginian, and t[r] ...
370
Nannostratigraphy and Palaeoecology of the Uppermost Mozduran Formation in the Jozak Section in West Kopet Dagh (NE Iran)
... Mesozoic calcareous nannofossils have different temperature ranges [22] Cosmopolitan taxa like Watznaueria barnesae covered a broad temper- ature range, being common both in the low and the high latitudes ...
8
Calcareous plankton bio-chronostratigraphy of the Maltese Lower Globigerina Limestone member
... Text-fig. 5. Calcareous nannofossils from the Lower Globigerina Limestone member of sections on the islands of Malta and Gozo, Maltese Archipelago. 1-2 – Cycli- cargolithus abisectus (Muller), crossed and ...
31
Biostratigraphic and magnetostratigraphic synthesis of the Celebes and Sulu Seas, Leg 124
... The oldest sediments recovered during this leg are from the Celebes Basin with an age of late middle Eocene, based on the calcareous nannofossils (Site 770), planktonic foraminifers (Sit[r] ...
25
Calcareous nannofossil biostratigraphy of an outcrop section of Aptian sediments of west-central Portugal (Lusitanian Basin)
... of calcareous nannofossils from the Cresmina Formation (Lusitanian Basin) provides further evi- dence for calibrating the age of these sediments and the regional isotope ...
8