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← ScienceWhich consequence results when the decay of potassium-40 disrupts argon dating of geological samples?
A)Magnetostratigraphy dating scale is affected
B)Systematic error in age estimation rises✓
C)Uranium-lead values provide accurate ratios
D)Radiocarbon ratios show consistent results
💡 Explanation
Argon dating relies on potassium-40 decaying to argon; disruption introduces systematic error in the isochron. This occurs because incomplete argon retention affects the measured ratio, therefore age estimations become systematically skewed, rather than matching other isotopic methods reliably.
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