Total organic carbon, organic phosphorus, and biogenic barium fluxes as proxies for paleomarine productivity
Although marine productivity is a key parameter in the global carbon cycle, reliable
estimation of productivity in ancient marine systems has proven difficult. In this study, we …
estimation of productivity in ancient marine systems has proven difficult. In this study, we …
Marine productivity changes during the end-Permian crisis and Early Triassic recovery
J Shen, SD Schoepfer, Q Feng, L Zhou, J Yu… - Earth-Science …, 2015 - Elsevier
The latest Permian mass extinction (LPME) coincided with major changes in the composition
of marine plankton communities, yet little is known about concurrent changes in primary …
of marine plankton communities, yet little is known about concurrent changes in primary …
Calibration of XRF core scanners for quantitative geochemical logging of sediment cores: Theory and application
GJ Weltje, R Tjallingii - Earth and Planetary Science Letters, 2008 - Elsevier
On-line analysis of split sediment cores by XRF core scanners has become increasingly
popular in the past decade, because it allows nondestructive extraction of near-continuous …
popular in the past decade, because it allows nondestructive extraction of near-continuous …
Twenty years of XRF core scanning marine sediments: what do geochemical proxies tell us?
RG Rothwell, I Croudace - Micro-XRF Studies of Sediment Cores …, 2015 - Springer
XRF core scanners, with their rapid and non-destructive analytical capability, have now
been used for two decades in the analysis of marine sediments. Initially they were used to …
been used for two decades in the analysis of marine sediments. Initially they were used to …
Depositional environment and organic matter accumulation of Upper Ordovician–Lower Silurian marine shale in the Upper Yangtze Platform, South China
The main controlling factors of organic matter accumulation in the Upper Ordovician Wufeng–
Lower Silurian Longmaxi Formations are complex and remain highly controversial. This …
Lower Silurian Longmaxi Formations are complex and remain highly controversial. This …
Preservation of organic matter in shale linked to bacterial sulfate reduction (BSR) and volcanic activity under marine and lacustrine depositional environments
Black organic-rich shale is a sedimentary product of strongly reducing environmental water
bodies, and is the main source of shale oil and gas. During its formation, the presence of …
bodies, and is the main source of shale oil and gas. During its formation, the presence of …
Tracing bottom water oxygenation with sedimentary Mn/Fe ratios in Lake Zurich, Switzerland
S Naeher, A Gilli, RP North, Y Hamann, CJ Schubert - Chemical Geology, 2013 - Elsevier
Redox dynamics of manganese (Mn) were studied in the sediment of Lake Zurich using
precise sediment core age models, monthly long-term oxygen (O 2) monitoring data of the …
precise sediment core age models, monthly long-term oxygen (O 2) monitoring data of the …
Applying sedimentary geochemical proxies for paleoenvironment interpretation of organic-rich shale deposition in the Sichuan Basin, China
Depositional environment highly affects the geochemical feature of sediments recording the
information of paleoenvironment and its evolution. Geochemical data for Ordovician Wufeng …
information of paleoenvironment and its evolution. Geochemical data for Ordovician Wufeng …
Prediction of geochemical composition from XRF core scanner data: a new multivariate approach including automatic selection of calibration samples and …
A multivariate log-ratio calibration (MLC) model for XRF-core-scanning devices is presented,
based on a combination of basic XRF-spectrometry theory and principles of compositional …
based on a combination of basic XRF-spectrometry theory and principles of compositional …
A marine biogeochemical perspective on black shale deposition
DZ Piper, SE Calvert - Earth-Science Reviews, 2009 - Elsevier
Deposition of marine black shales has commonly been interpreted as having involved a
high level of marine phytoplankton production that promoted high settling rates of organic …
high level of marine phytoplankton production that promoted high settling rates of organic …