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 …

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 …

New methods for unmixing sediment grain size data

GA Paterson, D Heslop - Geochemistry, Geophysics …, 2015 - Wiley Online Library
Grain size distribution (GSD) data are widely used in Earth sciences and although large data
sets are regularly generated, detailed numerical analyses are not routine. Unmixing GSDs …

MAX UnMix: A web application for unmixing magnetic coercivity distributions

DP Maxbauer, JM Feinberg, DL Fox - Computers & Geosciences, 2016 - Elsevier
It is common in the fields of rock and environmental magnetism to unmix magnetic mineral
components using statistical methods that decompose various types of magnetization curves …

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 …

Magnetotactic bacteria and magnetofossils: ecology, evolution and environmental implications

P Goswami, K He, J Li, Y Pan, AP Roberts… - npj Biofilms and …, 2022 - nature.com
Magnetotactic bacteria (MTB) are a group of phylogenetically diverse and morphologically
varied microorganisms with a magnetoresponsive capability called magnetotaxis or …

Source apportionment of magnetite particles in roadside airborne particulate matter

T Gonet, BA Maher, J Kukutschová - Science of the Total Environment, 2021 - Elsevier
Exposure to airborne particulate matter (PM) is associated with pulmonary, cardiovascular
and neurological problems. Magnetite, a mixed Fe 2+/Fe 3+ oxide, is ubiquitous and …

Searching for single domain magnetite in the “pseudo‐single‐domain” sedimentary haystack: Implications of biogenic magnetite preservation for sediment magnetism …

AP Roberts, L Chang, D Heslop… - Journal of …, 2012 - Wiley Online Library
Magnetic hysteresis measurements of sediments have resulted in widespread reporting of
“pseudo‐single‐domain”‐like magnetic properties. In contrast, the ideal single domain (SD) …

Magnetotactic bacterial abundance in pelagic marine environments is limited by organic carbon flux and availability of dissolved iron

AP Roberts, F Florindo, G Villa, L Chang… - Earth and Planetary …, 2011 - Elsevier
Magnetotactic bacteria intracellularly biomineralize magnetite of an ideal grain size for
recording palaeomagnetic signals. However, bacterial magnetite has only been reported in …