Results 71 to 80 of about 704 (154)

The Silurian Hypothesis: Would It Be Possible to Detect an Industrial Civilization in the Geological Record? [PDF]

open access: yes
If an industrial civilization had existed on Earth many millions of years prior to ourown era, what traces would it have left and would they be detectable today?
Frank, Adam, Schmidt, Gavin A.
core   +1 more source

A new model for the Kellwasser Anoxia Events (Late Devonian): Shallow water anoxia in an open oceanic setting in the Central Asian Orogenic Belt [PDF]

open access: yes, 2014
The Frasnian–Famennian mass extinction event devastated tropical marine ecosystems and ranks in the top six in taxonomic and ecological severity. The close stratigraphic association between the extinction and the Kellwasser Anoxia Events support a link ...
Carmichael, Sarah K.   +1 more
core  

Supernova triggers for end-Devonian extinctions. [PDF]

open access: yesProc Natl Acad Sci U S A, 2020
Fields BD   +8 more
europepmc   +1 more source

The Late Devonian bio-crisis and brachiopods: Introductory remarks: preface [PDF]

open access: yes, 1998
The aim of this volume is to present the extinction and survival patterns of articulate brachiopods, in particular the demise of Atrypida near the Frasnian-Famennian (F-F) boundary in the Northem ...
Racki, Grzegorz
core  

The Kellwasser Events in the Upper Devonian Xom Nha Formation, Central Vietnam

open access: yesJournal of the Sedimentological Society of Japan, 2020
Ryo Matsuo   +11 more
openaire   +2 more sources

Feke (Adana) yöresindeki üst devoniyen istifinde ?Kellwasser eventi?nin olası etkilerinin jeokimyasal yöntemlerle araştırılması

open access: yes, 2020
Geç Devoniyen'de Alt ve Üst Kellwasser olarak anılan iki farklı evrede gerçeklesenKellwasser Eventi'nin Türkiye'deki olası etkilerinin incelenmesi için Doğu Toroslar'daAdana (Feke) yöresinde, aynı döneme ait birimleri içeren bir istifte, 46 m. kalınlığındabir kesit ölçülmüstür.
openaire   +1 more source

Modeling global biosphere response to enhanced riverine nutrient delivery during the Late Devonian Kellwasser Event [PDF]

open access: yesGoldschmidt2021 abstracts, 2021
Matthew Smart   +6 more
openaire   +1 more source

The Pre-Variscan sequence of the Carnic Alps [PDF]

open access: yes, 2015
The Pre-Variscan sequence of the Carnic Alps includes rocks deposited between the Middle Ordovician and the early Late Carboniferous, and represents one of the most continuous sequence of the world in that time interval.
Corradini, C   +3 more
core  

The swimming trace Undichna from the latest Devonian Hangenberg Sandstone equivalent of Morocco. [PDF]

open access: yesSwiss J Palaeontol, 2021
Klug C   +4 more
europepmc   +1 more source

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