Was the Late Ordovician mass extinction truly exceptional?
CMØ Rasmussen, TRA Vandenbroucke… - Trends in Ecology & …, 2023 - cell.com
Abstract The Late Ordovician mass extinction event is the oldest of the five great extinction
events in the fossil record. It has long been regarded as an outlier among mass extinctions …
events in the fossil record. It has long been regarded as an outlier among mass extinctions …
The Ordovician of Scandinavia: a revised regional stage classification
AT Nielsen, P Ahlberg, JOR Ebbestad… - Geological Society …, 2023 - lyellcollection.org
Abstract The Ordovician of Scandinavia (ie Denmark, Norway and Sweden) has been
investigated for over two centuries and, through time, various chronostratigraphic schemes …
investigated for over two centuries and, through time, various chronostratigraphic schemes …
Progressive marine oxygenation and climatic cooling at the height of the Great Ordovician Biodiversification Event
The oxygen content of ancient seawater has been hypothesized to be a major controlling
factor for biodiversity throughout Earth's history. The Great Ordovician Biodiversification …
factor for biodiversity throughout Earth's history. The Great Ordovician Biodiversification …
[HTML][HTML] Understanding the early Paleozoic carbon cycle balance and climate change from modelling
CM Marcilly, P Maffre, G Le Hir, A Pohl… - Earth and Planetary …, 2022 - Elsevier
The Ordovician global cooling trend observed by several temperature proxies, which
coincides with one of the most significant evolutionary diversifications on Earth, is yet to be …
coincides with one of the most significant evolutionary diversifications on Earth, is yet to be …
Speculations on the Paleozoic legacy of Gondwana amalgamation
Using Gondwana as an example, we show how the geological record can be interrogated to
detect significant changes in mantle convection patterns at critical junctures in Earth's …
detect significant changes in mantle convection patterns at critical junctures in Earth's …
Role of seafloor production versus continental basalt weathering in Middle to Late Ordovician seawater 87Sr/86Sr and climate
The global climate of the Ordovician Period (486.9 to 443.1 Ma) is characterized by cooling
that culminated in the Hirnantian glaciation. Chemical weathering of Ca-and Mg-bearing …
that culminated in the Hirnantian glaciation. Chemical weathering of Ca-and Mg-bearing …
Seawater signatures of Ordovician climate and environment
Tracking climatic changes throughout the Ordovician is crucial to a better understanding of
the coevolution of life and environment on Earth. Ordovician climate fluctuations have been …
the coevolution of life and environment on Earth. Ordovician climate fluctuations have been …
Marine eutrophication within the Tarim Platform in sync with Middle to Late Ordovician climatic cooling
Previous work has proposed climatic cooling and atmosphere–ocean oxygenation as
potential triggers for the Great Ordovician Biodiversification Event, with the suggestion of …
potential triggers for the Great Ordovician Biodiversification Event, with the suggestion of …
[HTML][HTML] Calcium isotope constraints on a Middle Ordovician carbon isotope excursion
Abstract The Middle Ordovician Darriwilian Stage (∼ 469–458 Ma) records a∼ 2‰ positive
carbon isotope shift known as the MDICE (Mid-Darriwilian Carbon Isotope Excursion) …
carbon isotope shift known as the MDICE (Mid-Darriwilian Carbon Isotope Excursion) …
Uranium isotopes in non-euxinic shale and carbonate reveal dynamic Katian marine redox conditions accompanying a decrease in biodiversity prior to the Late …
Abstract The Late Ordovician mass extinction (LOME) is the first major mass extinction event
in the Phanerozoic. However, global biodiversity started to decline during the Katian (prior to …
in the Phanerozoic. However, global biodiversity started to decline during the Katian (prior to …