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mas, the original crystallisation age can be preserved in a crystal core. A small domain of single zircon crystal can be dated in-situ using a sensitive high-resolution ionmicroprobe (SHRIMP) (e.g., Compston et al., 1984; Black et al., 1986) or laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS) (e.g., Hirata and Nesbitt, 1995; Jackson et al., 2004; Kimura et al., 2011). The corresponding age distribution of zircons provides a fingerprint for the growth and recycling history of the continental crusts. Goldstein et al. (1997) presented an age population histogram for detrital zircon grains collected from the outlet of the Orinoco River in South America, and demonstrated that 49 SHRIMP U-Pb age fingerprints reveals the evolutionary history of the crust exposed in the wa