A critical appraisal of the “Day” diagram

AP Roberts, L Tauxe, D Heslop… - Journal of Geophysical …, 2018 - Wiley Online Library
Abstract The “Day” diagram (Day et al., 1977, https://doi. org/10.1016/0031-9201 (77) 90108-
X) is used widely to make inferences about the domain state of magnetic mineral …

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 …

Resolving the origin of pseudo‐single domain magnetic behavior

AP Roberts, TP Almeida, NS Church… - Journal of …, 2017 - Wiley Online Library
The term “pseudo‐single domain”(PSD) has been used to describe the transitional state in
rock magnetism that spans the particle size range between the single domain (SD) and …

Theory and application of the Day plot (Mrs/Ms versus Hcr/Hc) 2. Application to data for rocks, sediments, and soils

DJ Dunlop - Journal of Geophysical Research: Solid Earth, 2002 - Wiley Online Library
New theoretical curves relating the hysteresis parameters Mrs/Ms and Hcr/Hc for single‐
domain (SD), superparamagnetic (SP), pseudo‐single‐domain (PSD), and multidomain …

Theory and application of the Day plot (Mrs/Ms versus Hcr/Hc) 1. Theoretical curves and tests using titanomagnetite data

DJ Dunlop - Journal of Geophysical Research: Solid Earth, 2002 - Wiley Online Library
Although most paleomagnetic and environmental magnetic papers incorporate a Day plot of
the hysteresis parameters Mrs/Ms versus Hcr/Hc, a comprehensive theory covering …

[PDF][PDF] First-order reversal curve (FORC) diagrams

AR Muxworthy, AP Roberts - Encyclopedia of geomagnetism and …, 2007 - core.ac.uk
In many geomagnetic, geological and environmental magnetic studies, it is important to
have reliable methods of characterizing the composition and grain size distribution of …

Properties of single‐domain, pseudo‐single‐domain, and multidomain magnetite

S Levi, RT Merrill - Journal of Geophysical Research: Solid …, 1978 - Wiley Online Library
Despite the influence that paleomagnetism has exerted on the earth sciences, our
understanding of thermal remanent magnetization (TRM), which is one of the primary …

Wasp‐waisted hysteresis loops: Mineral magnetic characteristics and discrimination of components in mixed magnetic systems

AP Roberts, Y Cui, KL Verosub - Journal of Geophysical …, 1995 - Wiley Online Library
Rock magnetic studies of complex systems that contain mixtures of magnetic minerals or
mixed grain size distributions have demonstrated the need for a better method of …

Magnetic domain state diagnosis using hysteresis reversal curves

X Zhao, AP Roberts, D Heslop… - Journal of …, 2017 - Wiley Online Library
We present results for a series of hysteresis measurements that provide information about
remanent, induced, transient‐free, and transient magnetization components. These …

Some additional parameters to estimate domain state from isothermal magnetization measurements

K Fabian - Earth and Planetary Science Letters, 2003 - Elsevier
Domain state and mixing analysis based on isothermal magnetization measurements is
often restricted to the use of the Day plot. In order to make more information from simple rock …