Minerals and Metals in Ancient India v1.c29.s2.4

v1.c29.s2.4

(b) The ratio of C¹⁴: C¹² in the atmosphere is taken as 1/(8 x 10¹¹) but this might not have remained constant over the ages; the C-14 dates of ancient sites have been computed on the basis of ‘constancy’ of the said ratio and thus errors might be committed;