Methods for determining remanent and total magnetisations of magnetic sources–a review

DA Clark - Exploration Geophysics, 2014 - Taylor & Francis
Assuming without evidence that magnetic sources are magnetised parallel to the
geomagnetic field can seriously mislead interpretation and can result in drill holes missing …

3D magnetization vector inversion of magnetic data: Improving and comparing methods

S Liu, X Hu, H Zhang, M Geng, B Zuo - Pure and Applied Geophysics, 2017 - Springer
Magnetization vector inversion is an useful approach to invert for magnetic anomaly in the
presence of significant remanent magnetization and self-demagnetization. However …

Magnetization vector imaging for borehole magnetic data based on magnitude magnetic anomaly

S Liu, X Hu, T Liu, J Feng, W Gao, L Qiu - Geophysics, 2013 - library.seg.org
Remanent magnetization and self-demagnetization change the magnitude and direction of
the magnetization vector, which complicates the interpretation of magnetic data. To deal with …

3D magnetization inversion using fuzzy c-means clustering with application to geology differentiation

Y Li, J Sun - Geophysics, 2016 - library.seg.org
The presence of remanent magnetization has hindered the application of generalized 3D
magnetic inversion in exploration geophysics because of the unknown and variable …

Mitigating remanent magnetization effects in magnetic data using the normalized source strength

M Pilkington, M Beiki - Geophysics, 2013 - library.seg.org
We have developed an approach for the interpretation of magnetic field data that can be
used when measured anomalies are affected by significant remanent magnetization …

[PDF][PDF] 基于重磁泊松定理的磁化方向估计及应用: 以相山铀矿田为例

王彦国, 邓居智, 葛坤朋, 刘祜 - 地球物理学报, 2022 - dsjyj.com.cn
摘要磁化方向的确定对磁异常处理, 反演及解释方面有着重要的参考价值. 然而,
目前常用的磁化方向估计方法易受计算窗口尺度, 化极或叠加异常等影响. 为此 …

2D sequential inversion of total magnitude and total magnetic anomaly data affected by remanent magnetization

S Liu, X Hu, Y Xi, T Liu, S Xu - Geophysics, 2015 - library.seg.org
Remanent magnetization complicates the inversion of magnetic data due to altering the
strength and direction of the magnetization vector. To deal with the problem, we have …

Application of 3D magnetic amplitude inversion to iron oxide-copper-gold deposits at low magnetic latitudes: A case study from Carajás Mineral Province, Brazil

M Leão-Santos, Y Li, R Moraes - Geophysics, 2015 - pubs.geoscienceworld.org
Strong hydrothermal alteration modifies rock physical properties in iron oxide-copper-gold
deposits (IOCGs) and may result in characteristic signatures detectable in geophysical …

Three-dimensional cross-gradient joint inversion of gravity and normalized magnetic source strength data in the presence of remanent magnetization

J Zhou, X Meng, L Guo, S Zhang - Journal of Applied Geophysics, 2015 - Elsevier
Three-dimensional cross-gradient joint inversion of gravity and magnetic data has the
potential to acquire improved density and magnetization distribution information. This …

Three-dimensional inversion of magnetic data in the simultaneous presence of significant remanent magnetization and self-demagnetization: Example from Daye iron …

S Liu, M Fedi, X Hu, Y Ou, J Baniamerian… - Geophysical Journal …, 2018 - academic.oup.com
Natural remanent magnetization and self-demagnetization on high-susceptibility bodies are
two important factors affecting magnetic data inversion. We propose a framework for the …