-
age = τ ± x | y
| z
-
(207Pb/204Pb)0
(40Ar/36Ar)0
(234U/238U)0
(230Th/232Th)0x
intercept
= u ± x | y
| z
-
MSWD = x, p(χ2) = y
-
y-dispersion = ω + u /- l
Ludwig, K.R. and Titterington, D.M., 1994.
Calculation of 230Th/U isochrons, ages, and errors.
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on metamorphic rocks, 1961. Annals of the New York Academy of
Sciences, 91(1):198–206.
Vermeesch, P. 2020. Unifying the U--Pb and Th--Pb methods: joint
isochron regression and common Pb correction,
Geochronology,
2(1), 119-131,
York, D., Evensen, N.M., Martinez, M.L. and De Basabe Delgado, J., 2004.
Unified equations for the slope, intercept, and standard errors of the
best straight line.
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