Results 161 to 170 of about 1,937 (211)

Recurring marine phosphorus spikes during major palaeozoic mass extinctions and climate change. [PDF]

Nat Commun
Dodd MS, Li C, Zhang Z, Sadekov AY, Desrochers A, Hints O, Yan D, Yang X, George AD, Elrick M, White D, Qie W, Chen B, Merdith AS, Mills BJW.   +14 more
europepmc   +1 more source

High extinction risk in large foraminifera during past and future mass extinctions. [PDF]

Sci Adv
Feng Y, Song H, Song H, Wu Y, Li X, Tian L, Dong S, Lei Y, Clapham ME.   +8 more
europepmc   +1 more source

Geological conditions for shale gas accumulation and favorable zone evaluation in the Longmaxi formation of the Yanyuan Basin. [PDF]

Sci Rep
Yong J, Chen S, Hu S, Liu Z, Zheng M, Zhang T.   +5 more
europepmc   +1 more source

A deep dive into the coelacanth phylogeny. [PDF]

PLoS One
Ferrante C, Cavin L.
europepmc   +1 more source

Frasnian coral- stromatoporoid-microbial atolls, Belgium

, 2007
openaire   +1 more source

Biochemostratigraphy of the Upper Frasnian in the Namur–Dinant Basin, Belgium: Implications for a global Frasnian–Famennian pre-event [PDF]

Palaeogeography, Palaeoclimatology, Palaeoecology, 2012
The Upper Frasnian sequence of the Namur–Dinant Basin in southern Belgium consists of mixed siliclastic–carbonate succession of a ramp setting, where the sequence spans the rhenana–linguiformis conodont zones. Earlier studies investigated the chemostratigraphic variations during the Frasnian–Famennian event, but little has been yet known about the ...
Karem Azmy, Edouard Poty, Bernard Mottequin   +2 more
exaly   +4 more sources

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Anoxic events in the late Frasnian—Causes of the Frasnian-Famennian faunal crisis?

Geology, 1993
Carbon isotope data collected from five Frasnian-Famennian boundary sections in central Europe show two positive δ 13 C excursions in the late Frasnian (∼367 Ma). Both anomalies coincided with the deposition of the bituminous lower and upper Kellwasser horizons. The carbon isotope patterns indicate two phases of enhanced burial and subsequent recycling
Michael M. Joachimski, Werner Buggisch
openaire   +1 more source

Magnetostratigraphy susceptibility of the Frasnian/Famennian boundary

Palaeogeography, Palaeoclimatology, Palaeoecology, 2002
Magnetosusceptibility event and cyclostratigraphy (MSEC) is used to establish a non-polarity-based magnetostratigraphy susceptibility (MSS) between the stratotype region for the Frasnian/Famennian (F/F) boundary sequence in the Montagne Noire of southern France, the eastern Rheinisches Schiefergebirge of Germany, Belgium, the eastern Anti-Atlas of ...
Rex E Crick, Brooks B Ellwood, Raimund Feist, Ahmed El Hassani, Eberhard Schindler, Roland Dreesen, D.Jeffrey Over, Catherine Girard   +7 more
openaire   +2 more sources

On Frasnian ammonoids of the New Siberian Islands

Paleontological Journal, 2009
Ammonoids from the basal beds of the Nerpalakh Formation (Lower Frasnian) of Belkovsky Island (New Siberian Archipelago) are systematically studied. Taxonomically, the assemblage studied (Manticoceras insulare sp. nov., Tornoceras typum (Sandberger, 1851), and T.
S. V. Nikolaeva, A. B. Kuzmichev, V. A. Aristov   +2 more
openaire   +1 more source

Late Frasnian phillipsastreid biostromes in Belgium

Geological Society, London, Special Publications, 2007
Abstract In the Belgian Namur-Dinant Basin the boundary between the Lustin Formation and the Aisemont Formation (in the Lower rhenana conodont Biozone) corresponds to a fall followed by a rise in sea level, leading to the first recorded late Frasnian coral crisis.
Edouard Poty, Emmanuel Chevalier
openaire   +1 more source