remanent magnetization


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Related to remanent magnetization: saturation magnetization, induced magnetization

remanent magnetization

[′rem·ə·nənt ‚mag·nə·tə′zā·shən]
(geophysics)
That component of a rock's magnetization whose direction is fixed relative to the rock and which is independent of moderate, applied magnetic fields.
References in periodicals archive ?
Strong remanent magnetization in pyrrhotite: A structurally controlled example from the Paleoproterozoic Tanmi orogenic gold province, northern Australia.
A few samples were also, after AF-demagnetization, progressively magnetized up to 900 mT or 2 T using the Magnetic Measurements pulse magnetizer (MMPM10) and then stepwise demagnetized ([less than or equal to] 100 mT) using LDA-3 to obtain information about saturation remanent magnetization ([M.
The influence of the extent of remanent magnetization [B.
The higher measured magnetic-induction values with feasible assemblies when compared with the data from the graphs in (Marble, 2008) may be explained by the usage of magnets with a considerably higher remanent magnetization [B.
So far, provenance studies applying rock magnetic properties have comprised measurements of the susceptibility and intensity of natural remanent magnetization of pottery samples, saturation isothermal remanence (SIRM) and anystheretic remanent magnetization (ARM) intensities (McDougall et al.
In an attempt to better characterize the three stylistic groups recognized in these samples, we have generated a logarithmic plot (Figure 5) that shows initial magnetic susceptibility (MS) vs saturation isothermal remanent magnetization (SIRM) using a DC field of approximately 2T.
Also, as anticipated, the thermal conductivity is related neither to magnetic properties (magnetic susceptibility, saturation isothermal remanent magnetization, natural remanent magnetization) nor to the dielectric constant.
r] is the remanent magnetization and H is the applied magnetic field), the estimated coercivity of remanence is [H.
This analysis is naturally developed in a logH scale, where the applied magnetic field H is transformed to h = logH, and the remanent magnetization [M.
For rock magnetic investigation acquisition of the isothermal remanent magnetization (IRNi) and Lowrie (1990) test were performed.
Joyce Castro and Laurie Brown of the University of Massachusetts at Amherst had originally set out to test the theory behind TRM by measuring the remanent magnetizations in Hawaiian lava flows from 1950 and 1972 and comparing those to the direction of the present magnetic field in Hawaii.