Quantifying early marine diagenesis in shallow-water carbonate sediments
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 …
archives of Earth's surface evolution. One of the main limitations of this archive is the …
A diurnal carbon engine explains 13C-enriched carbonates without increasing the global production of oxygen
In the past 3 billion years, significant volumes of carbonate with high carbon-isotopic (δ 13
C) values accumulated on shallow continental shelves. These deposits frequently are …
C) values accumulated on shallow continental shelves. These deposits frequently are …
Global or regional? Constraining the origins of the middle Bambuí carbon cycle anomaly in Brazil
Abstract The Ediacaran-Cambrian Bambuí Group in Brazil records an anomalously positive
excursion in carbonate carbon isotopes (δ 13 C carb) with a sustained plateau of ca.+ …
excursion in carbonate carbon isotopes (δ 13 C carb) with a sustained plateau of ca.+ …
Modeling the effects of diagenesis on carbonate clumped-isotope values in deep-and shallow-water settings
The measurement of multiply isotopically substituted ('clumped isotope') carbonate groups
provides a way to reconstruct past mineral formation temperatures. However, dissolution …
provides a way to reconstruct past mineral formation temperatures. However, dissolution …
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 …
fundamental chemical behaviors and mechanisms associated with meteoric alteration …
Constraining fluid-rock interactions during eogenetic karst and their impacts on carbonate reservoirs: Insights from reactive transport modeling
Eogenetic karst has been regarded as a dominant origin of hydrocarbon reservoirs, whereas
quantifying the fluid-rock interactions and their impacts on porosity evolution during the …
quantifying the fluid-rock interactions and their impacts on porosity evolution during the …
[图书][B] Local and Global Controls on Carbon Isotope Chemostratigraphy
Over million-year timescales, the geologic cycling of carbon controls long-term climate and
the oxidation of Earth's surface. Inferences about the carbon cycle can be made from time …
the oxidation of Earth's surface. Inferences about the carbon cycle can be made from time …
Estimating the magnitude of early Permian relative sea-level changes in southern North China
Abstract During the Late Paleozoic ice age high-frequency sea level changes at low
latitudes have been considered far-field responses to high-latitude Gondwana glacial …
latitudes have been considered far-field responses to high-latitude Gondwana glacial …
Towards an understanding of the Ca isotopic signal related to ocean acidification and alkalinity overshoots in the rock record
MS Fantle, A Ridgwell - Chemical Geology, 2020 - Elsevier
In this contribution, we explore the idea that the Ca isotope proxy has utility as an indicator of
carbonate authigenesis (ie, post-depositional precipitation of CaCO 3 within the sedimentary …
carbonate authigenesis (ie, post-depositional precipitation of CaCO 3 within the sedimentary …
Intensified oceanic circulation during Early Carboniferous cooling events: evidence from carbon and nitrogen isotopes
Abstract The Early Carboniferous was a climatic transition interval from a mid-Paleozoic
greenhouse world into the Late Paleozoic Ice Age. It was marked by a long-term cooling …
greenhouse world into the Late Paleozoic Ice Age. It was marked by a long-term cooling …