Environmental magnetism: Principles and applications

Q Liu, AP Roberts, JC Larrasoaña… - Reviews of …, 2012 - Wiley Online Library
In environmental magnetism, rock and mineral magnetic techniques are used to investigate
the formation, transportation, deposition, and postdepositional alterations of magnetic …

Understanding fine magnetic particle systems through use of first‐order reversal curve diagrams

AP Roberts, D Heslop, X Zhao… - Reviews of …, 2014 - Wiley Online Library
First‐order reversal curve (FORC) diagrams are constructed from a class of partial magnetic
hysteresis loops known as first‐order reversal curves and are used to understand …

FORCinel: An improved algorithm for calculating first‐order reversal curve distributions using locally weighted regression smoothing

RJ Harrison, JM Feinberg - Geochemistry, Geophysics …, 2008 - Wiley Online Library
We describe a modification to existing algorithms for the calculation of first‐order reversal
curve (FORC) diagrams using locally weighted regression smoothing (often referred to as …

VARIFORC: An optimized protocol for calculating non-regular first-order reversal curve (FORC) diagrams

R Egli - Global and Planetary Change, 2013 - Elsevier
High-resolution first-order reversal curve (FORC) diagrams are increasingly employed to
characterize magnetic minerals in sediments, and especially as a magnetofossil detection …

The magnetic and color reflectance properties of hematite: From Earth to Mars

Z Jiang, Q Liu, AP Roberts, MJ Dekkers… - Reviews of …, 2022 - Wiley Online Library
Hematite is a canted antiferromagnet with reddish color that occurs widely on Earth and
Mars. Identification and quantification of hematite is conveniently achieved through its …

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 …

Detection of noninteracting single domain particles using first‐order reversal curve diagrams

R Egli, AP Chen, M Winklhofer… - Geochemistry …, 2010 - Wiley Online Library
We present a highly sensitive and accurate method for quantitative detection and
characterization of noninteracting or weakly interacting uniaxial single domain particles …

The magnetic properties of Quaternary aeolian dusts and sediments, and their palaeoclimatic significance

BA Maher - Aeolian Research, 2011 - Elsevier
Changes in the sources, properties and fluxes of mineral aerosol ('dust') have significance
as both indicators and agents of climate change, through radiative, cloud condensation and …

Magnetic mineral assemblages in soils and paleosols as the basis for paleoprecipitation proxies: A review of magnetic methods and challenges

DP Maxbauer, JM Feinberg, DL Fox - Earth-Science Reviews, 2016 - Elsevier
Magnetic iron oxide minerals, principally magnetite, maghemite, hematite, and goethite are
formed in well-drained soils in response to a suite of physical, chemical, and biological …

What do the HIRM and S‐ratio really measure in environmental magnetism?

Q Liu, AP Roberts, J Torrent, CS Horng… - Geochemistry …, 2007 - Wiley Online Library
The “hard” isothermal remanent magnetization (HIRM) and the S‐ratio are widely used in
environmental magnetism to quantify the absolute and relative concentrations, respectively …