Model/Make : MS-2B/Bartington
Magnetic susceptibility measurements are a non-destructive and cost effective method of determining the presence of iron-bearing minerals within the sediments. The whole core, or individual sediment samples, are exposed to an external magnetic field which causes the sediments to become magnetized according to the amount of Fe-bearing minerals present in the samples.
Magnetic susceptibility is a measure of the ease with which particular sediments are magnetized when subjected to a magnetic field. The ease of magnetization is ultimately related to the concentration and composition (size, shape and mineralogy) of magnetizable material contained within the sample. Any sediment core possessing downcore variation per unit volume in the concentration and composition of magnetizable minerals will yield a MS curve reflecting these changes.
The MS2 system comprises a meter together with one of a wide range of individually calibrated sensors for measuring the magnetic susceptibility of soils and rocks in both the field and laboratory. Features of the MS2 meter include a choice of SI or CGS units, single or continuous measurements, 4 digit plus sign LCD, RS232 interface and an optional analog output. Internal batteries are rechargeable from the mains.
It is a versatile system offering high resolution and accuracy, excellent temperature stability and very low measurement drift. It provides non destructive measurements and has a low operating frequency so measurements are not affected by sample conductivity. Readings are taken in around 1 second. Applications include geological and soil surveys, palaeomagnetics, archaeological prospecting, palaeoclimatic studies, hydrology, sedimentology, core logging/correlation, and magnetic fabric analysis