Figure 1. Behavior in time of the chemical remanent magnetization, which is formed at single-phase oxidation and subsequent decomposition of titanomagnetite Fe3-x TixO4 of different initial composition at different temperatures: 1-153oC, 2-195oC, 3-288oC, 4-348oC, 5-372oC, 6-408oC, 7-448oC, 8-488oC, 9-518oC and 10-550oC.