Condie K C. 1989. Geochemical changes in basalts and andesites across the Archaean？Proterozoic boundary: Identification and signficance. Lithos, 23: 1-18.
[21]
Green T H. 1995. Significance of Nb/Ta as an indicator of geochemical processes in the crust？mantle system. Chemical Geology,120: 347-359.
[22]
Irvine T N and Baragar W R A. 1971. A guide to the chemical classification of the common rocks. Can J Earth Sci, 8: 523-548.
[23]
Jia Runxing, Fang Weixuan and Hu Ruizhong. 2010. Chemical compositions and significance of tourmaline from Gejiu tin polymetal deposit, Yunnan, China. Acta Geologica Sinica, 84(1):155-166.
Le Maitre R W, Bateman P, Dudek A, Keller J, Le Bas M J, Sabine P A, Schmid R, Sorensen H, Strecjeisen A, Wooley A R and Zanettin B. 1989. A classification of igneous rocks and glossary of terms. Oxford: Blackwell Scientific: 130-173.
[27]
Lebas M J. 2000. IUGS reclassification of the high？Mg and picritic volcanic rocks. J Petrol, 41(10): 1467-1470.
[28]
Pearce J A and Stern R J. 2006. Origin of back？arc magmas: Trace element and isotope perspectives // Back？arc spreading syetems: Geological, biological, chemical, and physical interactions. Geophysical Monograph Series 166. Published by the American Geophysical Union: 63-68.
[29]
Sun S S and McDonough W F. 1989. Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes // Saunders A D and Norry M J (eds). Magamatism in the ocean basins. London: Geological Society Special Publication: 313-345.
[30]
Usui A, Yuasa M, Yokota S, Nohara M, Nishimura A and Murakami F. 1986. Submarine hydrothermal manganese deposits from the Ogasawara (Bonin) Arc, off the Japan Islands. Marine Geology, 73(3-4): 311-322.
[31]
Wi1son M. 1989. Igneous petrogenesis. London: Unwin Hyman: 1-466.
