The role of diagenesis in shaping the geochemistry of the marine carbonate record

MS Fantle, BD Barnes, KV Lau - Annual Review of Earth and …, 2020 - annualreviews.org
Carbonate sediments and rocks are valuable archives of Earth's past whose geochemical
compositions inform our understanding of Earth's surface evolution. Yet carbonates are also …

Deposition, diagenesis, and geochemistry of upper cretaceous carbonates (sarvak formation) in the zagros Basin and the Persian gulf, Iran

H Mehrabi - Minerals, 2023 - mdpi.com
Upper Cretaceous carbonate rocks of the Sarvak Formation are among the most important
hydrocarbon reservoirs of the Middle East. This paper summarizes the depositional history …

Quantifying early marine diagenesis in shallow-water carbonate sediments

ASC Ahm, CJ Bjerrum, CL Blättler, PK Swart… - … et Cosmochimica Acta, 2018 - Elsevier
Shallow-water carbonate sediments constitute one of the most abundant and widely used
archives of Earth's surface evolution. One of the main limitations of this archive is the …

Oxygen isotope composition of the Phanerozoic ocean and a possible solution to the dolomite problem

U Ryb, JM Eiler - Proceedings of the National Academy of …, 2018 - National Acad Sciences
The 18O/16O of calcite fossils increased by∼ 8‰ between the Cambrian and present. It has
long been controversial whether this change reflects evolution in the δ18O of seawater, or a …

Aquifer-eustasy as the main driver of short-term sea-level fluctuations during Cretaceous hothouse climate phases

B Sames, M Wagreich, CP Conrad… - … Society, London, Special …, 2020 - lyellcollection.org
A review of short-term (< 3 myr: c. 100 kyr to 2.4 myr) Cretaceous sea-level fluctuations of
several tens of metres indicates recent fundamental progress in understanding the …

Age, duration, and geochemical signatures of paleo-exposure events in Cenomanian–Santonian sequences (Sarvak and Ilam formations) in SW Iran: Insights from …

H Mehrabi, A Navidtalab, A Enayati, B Bagherpour - Sedimentary Geology, 2022 - Elsevier
This study addresses the timing implications of chemical stratigraphy and
chronostratigraphic correlation of unconformity-related shallow water (neritic) carbonate rock …

Geochemical fingerprints of early diagenesis in shallow-water marine carbonates: Insights from paired δ44/40Ca and δ26Mg values

AA Akhtar, ASC Ahm, JA Higgins - Geochimica et Cosmochimica Acta, 2024 - Elsevier
We present a suite of major element stable isotope (δ 13 C, δ 18 O, δ 44/40 Ca, δ 26 Mg),
and selected trace element (Sr/Ca and Mg/Ca) data from Pleistocene sediments from the …

On the origin of Shuram carbon isotope excursion in South China and its implication for Ediacaran atmospheric oxygen levels

GY Wei, J Wang, NJ Planavsky, M Zhao, EW Bolton… - Precambrian …, 2022 - Elsevier
Abstract The Ediacaran Shuram excursion marks one of the largest carbon isotope
excursions in Earth's history, but its origin remains enigmatic. In this study, we examine a …

Dynamic paleokarst geochemistry within 130 Myr in the Middle Ordovician Shanganning carbonate platform, North China

Y Xiong, X Tan, S Zhong, D Xiao, B Wang… - Palaeogeography …, 2022 - Elsevier
Reconstructing the geochemical evolution of paleokarst is essential for understanding the
fundamental chemical behaviors and mechanisms associated with meteoric alteration …

Elemental geochemistry and strontium-isotope stratigraphy of Cenomanian to Santonian neritic carbonates in the Zagros Basin, Iran

A Navidtalab, H Rahimpour-Bonab, S Huck… - Sedimentary …, 2016 - Elsevier
Abstract A Neo-Tethyan upper Cenomanian–Santonian neritic carbonate ramp succession
(Sarvak and Ilam formations), drilled in the Zagros Basin in southwest Iran, was investigated …