Synthetic breccias were produced by hypervelocity impact of projectiles on basalt powders in order to study the magnetization acquired during shock lithification of soil. It was found that some of the lithified products record the field at the point where they land, while others carry the original primary remanence. Even those rocks recording the direction of the ambient field did not always faithfully record the intensity of the field. When rocks were exposed to shock, it was found that the magnetic hardness of a rock has a profound effect on its magnetic response. Shock effects are seen at shock levels of less than 10 kbar, which suggests that lunar samples may have been shock-demagnetized.
Magnetic effects of shock and their implications for lunar magnetism. II
Lunar Science Conference ; 1976 ; Houston, TX
1976-01-01
Sonstige
Keine Angabe
Englisch
Impact processes and lunar magnetism
NTRS | 1974
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