Magnetic mineral diagenesis

AP Roberts - Earth-Science Reviews, 2015 - Elsevier
Reduction–oxidation (redox) reactions occur during burial because sediments contain
reactive mixtures of oxidised and reduced components. Diagenetic chemical reactions …

Magnetic properties of sedimentary greigite (Fe3S4): An update

AP Roberts, L Chang, CJ Rowan… - Reviews of …, 2011 - Wiley Online Library
Greigite (Fe3S4) is an authigenic ferrimagnetic mineral that grows as a precursor to pyrite
during early diagenetic sedimentary sulfate reduction. It can also grow at any time when …

Formal subdivision of the Quaternary System/Period: Past, present, and future

MJ Head, PL Gibbard - Quaternary International, 2015 - Elsevier
Abstract The Quaternary System/Period represents the past 2.58 million years and is
officially subdivided into the Pleistocene and Holocene series/epochs, with the base of the …

Formal ratification of the global boundary stratotype section and point (GSSP) for the Chibanian stage and middle Pleistocene subseries of the Quaternary system: the …

Y Suganuma, M Okada, MJ Head, K Kameo… - Episodes Journal of …, 2021 - episodes.org
Abstract The Executive Committee of the International Union of Geological Sciences on
January 17, 2020 ratified the Global Boundary Stratotype Section and Point (GSSP) defining …

[PDF][PDF] The quaternary period

B Pillans, P Gibbard - The geologic time scale 2012, 2012 - researchgate.net
The Quaternary Period, comprising the Holocene and Pleistocene Epochs, encompasses
the last~ 2.6 Ma during which time Earth's climate was strongly influenced by bipolar …

Greigite formation modulated by turbidites and bioturbation in deep‐sea sediments offshore Sumatra

T Yang, MJ Dekkers, X Zhao… - Journal of …, 2022 - Wiley Online Library
Authigenic greigite may form at any time within a sediment during diagenesis. Its formation
pathway, timing of formation, and geological preservation potential are key to resolving the …

Review of the early–middle Pleistocene boundary and Marine Isotope Stage 19

MJ Head - Progress in Earth and Planetary Science, 2021 - Springer
Abstract The Global Boundary Stratotype Section and Point (GSSP) defining the base of the
Chibanian Stage and Middle Pleistocene Subseries at the Chiba section, Japan, was ratified …

Magnetostratigraphy of a long Quaternary sediment core in the South Yellow Sea

J Liu, Q Liu, X Zhang, J Liu, Z Wu, X Mei, X Shi… - Quaternary Science …, 2016 - Elsevier
Continental shelves serve as a bridge between the continent and ocean and sediments in
this region are sensitive to land-sea interaction, sea-level variation and local subsidence. In …

Magnetostratigraphy of a greigite‐bearing core from the South Yellow Sea: Implications for remagnetization and sedimentation

J Liu, X Shi, Q Liu, S Ge, Y Liu, Z Yao… - Journal of …, 2014 - Wiley Online Library
Sediments from the continental shelf are sensitive to sea level, climatic changes, and local
tectonic history. In this study, we carried out a high‐resolution magnetostratigraphic …

Identification and environmental interpretation of diagenetic and biogenic greigite in sediments: A lesson from the Messinian Black Sea

L Chang, I Vasiliev, C van Baak… - Geochemistry …, 2014 - Wiley Online Library
Abstract Greigite (Fe3S4) is a widespread authigenic magnetic mineral in anoxic sediments
and is also commonly biosynthesized by magnetotactic bacteria in aqueous environments …