[PDF][PDF] Carbon isotope stratigraphy

MR Saltzman, E Thomas, FM Gradstein - The geologic time scale, 2012 - academia.edu
Variations in the 13C/12C value of total dissolved inorganic carbon (DIC) in the world's
oceans through time have been documented through stratigraphic study of marine …

Global-ocean redox variations across the Smithian-Spathian boundary linked to concurrent climatic and biotic changes

F Zhang, TJ Algeo, Y Cui, J Shen, H Song, H Sano… - Earth-Science …, 2019 - Elsevier
Abstract The Smithian-Spathian boundary (SSB) was an interval characterized by a major
global carbon cycle perturbation, climatic cooling from a middle/late Smithian boundary …

Dating the 840–544 Ma Neoproterozoic interval by isotopes of strontium, carbon, and sulfur in seawater, and some interpretative models

MR Walter, JJ Veevers, CR Calver, P Gorjan… - Precambrian …, 2000 - Elsevier
We construct a time scale for the 840–544Ma Neoproterozoic interval from isotopic variation
of δ13Ccarbonate and δ13Corganic, 87Sr/86Sr, and δ34Ssulfate in seawater measured …

Large vertical δ13CDIC gradients in Early Triassic seas of the South China craton: Implications for oceanographic changes related to Siberian Traps volcanism

H Song, J Tong, TJ Algeo, M Horacek, H Qiu… - Global and Planetary …, 2013 - Elsevier
Vertical gradients in the δ13C of seawater dissolved inorganic carbon (Δδ13CDIC) can be
estimated for paleomarine systems based on δ13Ccarb data from sections representing a …

Petrogenesis of the Proterozoic Athabasca Basin, northern Saskatchewan, Canada, and its relation to diagenesis, hydrothermal uranium mineralization and …

TG Kotzer, TK Kyser - Chemical Geology, 1995 - Elsevier
In the Athabasca Basin Proterozoic sandstones unconformably overlie Archean and
Aphebian rocks. Multiple fluid events, involving isotopically-and chemically-distinct fluids …

The Late Cambrian Spice (δ13C) Event and the Sauk II-SAUK III Regression: New Evidence from Laurentian Basins in Utah, Iowa, and Newfoundland

MR Saltzman, CA Cowan… - Journal of …, 2004 - pubs.geoscienceworld.org
Carbon isotope data from Upper Cambrian sections in three Laurentian basins in northern
Utah, central Iowa, and western Newfoundland record a large positive δ13C excursion …

Late Paleozoic ice age: Oceanic gateway or pCO2?

MR Saltzman - Geology, 2003 - pubs.geoscienceworld.org
The cause of the late Paleozoic (ca. 355–255 Ma) ice age remains uncertain. A lowering of
atmospheric carbon dioxide levels near the beginning of this time period occurred in …

Origin and significance of isotope shifts in Pennsylvanian carbonates (Asturias, NW Spain)

A Immenhauser, JAM Kenter… - Journal of …, 2002 - pubs.geoscienceworld.org
The primary variability of the composition and properties of seawater is much greater in the
shallow coastal zones than in the main body of ocean water. An inadequate understanding …

A reappraisal of dolomite abundance and occurrence in the Phanerozoic

SQ Sun - Journal of Sedimentary Research, 1994 - pubs.geoscienceworld.org
Critical assessment of dolomite abundance throughout the Phanerozoic suggests that most
large-scale dolomite has had an origin related to salinity-elevated seawaters. The …

Marine carbonate records of terrigenous input into Paleotethyan seawater: Geochemical constraints from Carboniferous limestones

MY Zhao, YF Zheng - Geochimica et Cosmochimica Acta, 2014 - Elsevier
A combined study of trace elements, carbon and oxygen isotopes was carried out for
Carboniferous marine limestones from the Lower Yangtze platform in South China. The …