The biogeochemistry of ferruginous lakes and past ferruginous oceans

ED Swanner, N Lambrecht, C Wittkop, C Harding… - Earth-Science …, 2020 - Elsevier
Anoxic and iron-rich (ferruginous) conditions prevailed in the ocean under the low-oxygen
atmosphere that occurred through most of the Archean Eon. While euxinic conditions (ie …

Numerical strategies for magnetic mineral unmixing

D Heslop - Earth-Science Reviews, 2015 - Elsevier
Iron-bearing minerals are sensitive to a wide spectrum of natural processes and thus carry
important environmental information. In environmental magnetism, various techniques are …

An improved algorithm for unmixing first‐order reversal curve diagrams using principal component analysis

RJ Harrison, J Muraszko, D Heslop… - Geochemistry …, 2018 - Wiley Online Library
First‐order reversal curve (FORC) diagrams of synthetic binary mixtures with single‐domain,
vortex state, and multidomain end‐members (EMs) were analyzed using principal …

Ag 3 PO 4/CoFe 2 O 4 magnetic nanocomposite: synthesis, characterization and applications in catalytic reduction of nitrophenols and sunlight-assisted photocatalytic …

E Abroushan, S Farhadi, A Zabardasti - RSC advances, 2017 - pubs.rsc.org
A novel magnetically recyclable Ag3PO4/CoFe2O4 nanocomposite (containing 30 wt%.
CoFe2O4) was synthesized by a facile hydrothermal method. The composition and …

[HTML][HTML] Sonocatalytic performance of magnetically separable CuS/CoFe2O4 nanohybrid for efficient degradation of organic dyes

F Siadatnasab, S Farhadi, A Khataee - Ultrasonics sonochemistry, 2018 - Elsevier
The sonocatalytic activity of the magnetic CuS/CoFe 2 O 4 (CuS/CFO) nanohybrid was
studied through the H 2 O 2-assisted system for degradation of water soluble organic …

Domain state diagnosis in rock magnetism: evaluation of potential alternatives to the Day diagram

AP Roberts, P Hu, RJ Harrison… - Journal of …, 2019 - Wiley Online Library
The Day diagram is used extensively in rock magnetism for domain state diagnosis. It has
been shown recently to be fundamentally ambiguous for 10 sets of reasons. This ambiguity …

Classification of a complexly mixed magnetic mineral assemblage in Pacific Ocean surface sediment by electron microscopy and supervised magnetic unmixing

J Li, Y Liu, S Liu, AP Roberts, H Pan, T Xiao… - Frontiers in Earth …, 2020 - frontiersin.org
Unambiguous magnetic mineral identification in sediments is a prerequisite for
reconstructing paleomagnetic and paleoenvironmental information from environmental …

Technogenic magnetic particles in topsoil: Characteristic features for different emission sources

T Magiera, B Górka-Kostrubiec, T Szumiata… - Science of the Total …, 2023 - Elsevier
Variations in mineralogical composition, grain size internal structure and stoichiometry of
technogenic magnetic particles (TMPs) deposited in topsoil may provide crucial information …

Biomagnetic characterization of air pollution particulates in Lahore, Pakistan

HA Sheikh, BA Maher, V Karloukovski… - Geochemistry …, 2022 - Wiley Online Library
We report the characterization of anthropogenic magnetic particulate matter (MPM) collected
on leaves from roadside Callistemon (bottlebrush) trees from Lahore, Pakistan, and on …

Speleothem magnetism

I Lascu, JM Feinberg - Quaternary Science Reviews, 2011 - Elsevier
The magnetic recordings preserved in calcite speleothems and the nature of their
constituent magnetic minerals hold enormous potential for paleomagnetic and …