Ordovician and Silurian sea–water chemistry, sea level, and climate: a synopsis

A Munnecke, M Calner, DAT Harper… - Palaeogeography …, 2010 - Elsevier
Following the Cambrian Explosion and the appearance in the fossil record of most animal
phyla associated with a range of new body plans, the Ordovician and Silurian periods …

Co-evolution of oceans, climate, and the biosphere during the 'Ordovician Revolution': a review

TJ Algeo, PJ Marenco, MR Saltzman - Palaeogeography …, 2016 - Elsevier
The Ordovician Period (~ 485-444 Ma) was an interval of major, causally interconnected 15
changes in the Earth's biotic, climatic, and environmental systems. The diversity of marine …

The new chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy

SM Bergström, X Chen, JC Gutiérrez‐Marco, A Dronov - Lethaia, 2009 - idunn.no
The extensive work carried out during more than a decade by the International
Subcommission on Ordovician Stratigraphy has resulted in a new global classification of the …

Long-lived glaciation in the Late Ordovician? Isotopic and sequence-stratigraphic evidence from western Laurentia

MR Saltzman, SA Young - Geology, 2005 - pubs.geoscienceworld.org
The timing and causes of the transition to an icehouse climate in the Late Ordovician are
controversial. Results of an integrated δ13C and sequence stratigraphic analysis in Nevada …

Post-Hunnebergian Ordovician carbon isotope trend in Baltoscandia, its environmental implications and some similarities with that of Nevada

D Kaljo, T Martma, T Saadre - Palaeogeography, Palaeoclimatology …, 2007 - Elsevier
Carbon isotope changes during post-Hunnebergian Ordovician time were investigated. As
the corresponding sequence of rocks is stratigraphically nearly complete in Baltoscandia, an …

First record of the Hirnantian (Upper Ordovician) δ13C excursion in the North American Midcontinent and its regional implications

SM Bergstroem, MM Saltzman, B Schmitz - Geological Magazine, 2006 - cambridge.org
The most prominent of the two major global δ13C excursions in the Ordovician, the
Hirnantian δ13C excursion (HICE), which is previously recorded from the uppermost …

A paired apatite and calcite clumped isotope thermometry approach to estimating Cambro-Ordovician seawater temperatures and isotopic composition

KD Bergmann, S Finnegan, R Creel, JM Eiler… - … et Cosmochimica Acta, 2018 - Elsevier
The secular increase in δ 18 O values of both calcitic and phosphatic marine fossils through
early Phanerozoic time suggests either that (1) early Paleozoic surface temperatures were …

Petrography and environmental controls on the formation of Phanerozoic marine carbonate hardgrounds

N Christ, A Immenhauser, RA Wood, K Darwich… - Earth-Science …, 2015 - Elsevier
Early marine seafloor lithification of carbonate sediments leads to the formation of
hardgrounds and is known from rocks as old as the Proterozoic. Hardground surfaces …

Did intense volcanism trigger the first Late Ordovician icehouse?

W Buggisch, MM Joachimski, O Lehnert… - …, 2010 - pubs.geoscienceworld.org
Oxygen isotopes measured on Late Ordovician conodonts from Minnesota and Kentucky
(United States) were studied to reconstruct the paleotemperature history during late …

[图书][B] Were transgressive black shales a negative feedback modulating glacioeustasy in the Early Palaeozoic Icehouse

AA Page, JA Zalasiewicz, M Williams, LE Popov… - 2007 - books.google.com
The Early Palaeozoic Icehouse (Late Ordovician-Early Silurian, c. 455–425 Ma) was a
remarkable event in the Earth's climatic history, marked by extensive glaciations occurring at …