During magnetization in a reversed polarity chron, a rock records a magnetic field direction that is exactly opposite (inclination sign flipped, declination shifted by 180°) to what it would record under normal polarity at the same magnetic latitude. Since the rock unit later drifted (translated) northward without any rotation, the originally recorded remanent magnetization direction (both inclination and declination, defined relative to geographic north) remains completely unchanged by the translation.
At 45° magnetic latitude in the Southern Hemisphere under normal polarity, the dipole formula tanI = 2tanλ would give a shallow upward (negative) inclination: I_normal...
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