2Foland K A, Allen J C. Magma sources for Mesozoic anoro- genie granites of the White Mountain magma series, New England, USA[J]. Contributions to Mineralogy and Petrolo gy, 1991, 109: 195-211.
3Compston W, Willians I S, Kirsdivink J L. Zircon U-Pb ages for the Early Cambrian time-scale[J]. Journal of the Geolog ical Society, 1992, 149: 171-184.
4Ludwig K R. ISOPLOT 3.00: A Geochronological Toolkit for Microsoft Excel[M]. Berkeley: Berkeley Geochronology Center, 2003.
5Middlemost E A K. Towards a comprehensive classification of igneous rocks and magmas[J]. Earth-Science Reviews, 1991, 31(2): 73-87.
6Maniar P D, Piccoli P M. Tectonic discrimination of granit oids[J]. Geological Society of America Bulletin, 1989, 101 (5): 635- 643.
7Boynton W V. Geochemistry of the rare earth elements: Me teorite studies[M]//Henserson P. Rare Earth Element Geo chemistry. Amsterdam: Elsevier, 1984: 83-114.
8Sun S S, McDonough W F. Chemical and isotopic systematics of oceanic hasalts: Implications for mantle composition and processes[J]. Journal of the Geological Society, Special Pub- lications, 1989, 42: 313-345.
9Ringwood A E. Slab mantle interactions: Petrogenesis of in- traplate magmas and structure of the upper mantle [J]. Chemical Geology, 1990, 82(3/4): 187-207.
