《Table 2 Correlation coefficients between magnetic properties and particle size》

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《Magnetic mineral diagenesis in sediments of saline lake Lop Nur》

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Note:Bold type is significant at p<0.01.χ:magnetic susceptibility；χARM:mass-specific anhysteretic susceptibility；SIRM:saturation isothermal remanent magnetization；HIRM:―hard‖isothermal remanent magnetization，was defined as HIRM=0.5×（SIRM+IRM-300mT）

The influence of particle size on magnetic properties is important in many sedimentary environments，especially where sediments have not experienced significantly diagenetic alteration（Li et al.2017；Liu et al.2010；Oldfield 2013；Zhang and Yu 2003）.As shown in Table 2，HIRM does not correlate with particle size in Zones A，B，and C.In Zone B，χ，SIRM，χARM，S-300mT，and SIRM/χcorrelate significantly with the sand fraction（>63μm）and correlate inversely with the fine fraction（i.e.<4μm and 4-63μm），which indicates that the magnetic minerals are concentrated mainly within the coarse particle fraction.In contrast，magnetic properties do not correlate with particle size in Zones A and C.