The terms of low-SiO2 adakite (LSA, SiO2 <60%) and high-SiO2 adakite (HSA, SiO2> 60%) were put forward by Martin et al. (2005). This paper does not agree with this classification, because the low-SiO2 adakite is sanukite rather than adakite. Sanukite is a mantle source rock, whereas adakite is a crust-derived rock. Although adakite can be mixed with the mantle to form high-Mg adakite, it is still of the crust source. Crust- and mantle-derived magmas are different types of magma, so it is not proper to confuse them.
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张旗, 2012. 低硅埃达克岩和高硅埃达克岩问题[J]. 岩石矿物学杂志, 31(6):897~900. ZHANG Qi, 2012. A discussion on the low-SiO2 adakite and high-SiO2 adakite[J]. Acta Petrologica et Mineralogica, 31(6): 897~900.
