Histogmms showing distribution of radiogenic lead isotope ratios derived from evaporation of four detrital zircon grains from metaquartzite ... The spectra plotted have been integrated from ratios as shown on each diagram. ... and aquot; 1390 Ma and, in combination with previously reported zircon data (Baur et al., 1991; I-IAclzl et al., 1991, 1994; Kriiner et al., 1994b) and Nd ... The source terrain for the Wanni supracrustal association remains obscure and is unlikely to be present in Sri Lanka.
|Title||:||Journal of the Geological Society of Sri Lanka|