Results 141 to 150 of about 893 (201)

Enhanced marine biological pump as a trigger for the onset of the late Paleozoic ice age. [PDF]

Sci Adv
Zhang F, Pohl A, Elrick M, Wei GY, Cheng K, Crockford P, Fakhraee M, Lin YB, Li N, Wang XD, Shen SZ.   +10 more
europepmc   +1 more source

Depositional Model and Controlling Factors of High-Quality Shales of the Wufeng and Longmaxi Formations in Western Chongqing, Sichuan Basin, China. [PDF]

ACS Omega
Chen Y, Lin W, Chen Y, Guo W, Du B, Li M, Zhang J.   +6 more
europepmc   +1 more source

Mercury spikes suggest volcanic driver of the Ordovician-Silurian mass extinction. [PDF]

Sci Rep, 2017
Gong Q, Wang X, Zhao L, Grasby SE, Chen ZQ, Zhang L, Li Y, Cao L, Li Z.   +8 more
europepmc   +1 more source

Cascading trend of Early Paleozoic marine radiations paused by Late Ordovician extinctions. [PDF]

Proc Natl Acad Sci U S A, 2019
Rasmussen CMØ, Kröger B, Nielsen ML, Colmenar J.   +3 more
europepmc   +1 more source

Evidence for cryptic molting behavior in the trilobite Toxochasmops vormsiensis from the Upper Ordovician Katian Kõrgessaare Formation, Estonia. [PDF]

Naturwissenschaften
Bicknell RDC, Vargas-Parra EE, Landman NH, Pärnaste H.   +3 more
europepmc   +1 more source

Identifying the most surprising victims of mass extinction events: an example using Late Ordovician brachiopods. [PDF]

Biol Lett, 2017
Finnegan S, Rasmussen CMØ, Harper DAT.
europepmc   +1 more source

Odontopleurid trilobites of the Katian/Hirnantian boundary interval in the Prague Basin (Bohemia) [PDF]

Bulletin of Geosciences, 2014
openaire   +1 more source

Constraints of Sedimentary Environment on Shale Organic Matter Enrichment: Insights from Elemental Geochemistry and Multiple Factor Analysis. [PDF]

ACS Omega
Shao X, Xu P, Jiang Z, Song Y, Yang Y, Wang D.   +5 more
europepmc   +1 more source

Graptolite community responses to global climate change and the Late Ordovician mass extinction. [PDF]

Proc Natl Acad Sci U S A, 2016
Sheets HD, Mitchell CE, Melchin MJ, Loxton J, Štorch P, Carlucci KL, Hawkins AD.   +6 more
europepmc   +1 more source

Late Ordovician eurypterid preserves oldest euchelicerate musculature in pyrite. [PDF]

Biol Lett
Bicknell RDC, Gaines RR, Hopkins MJ.
europepmc   +1 more source