I(infracrustaligneous)ͻ

IͻңI type graniteһϵ׼ʸƼԻʯܳƣҪǸӢҵҺͻҡֻҵԴδ绯õĻڶǻ½ԵĲIͻҡIָɵIgneousһʵĵһĸǻʯӢȵбʯͼԳʯͨʯͺĸɣĸ

S(supracrustalsedimentaryͻ

SͻңS type graniteһԿԴΪԴ,ڡᾧĻҡSָһʵĵһĸɽڻңڿͨԼдʹ½ײڣʯҺͶĸϵȹʻΪ

A(alkaline,anorogenicanhydrous)ͻ

AͻңA type graniteǲѹȴȶ½ڲĻʯʯͨԻңCaOAl2O3ϵͣFe/Fe+MgֵϸߣK2O/Na2OֵK2OϸߣʯӢسʯбʯ͸ĸʱмԽʯɡ໨ΪͨǷɽڵġԵĺˮص㣬ǡӢĵʵĵһĸǡAʰֻҽAͻҡ

M(mantle-derived)ͻ

MͻࣨM type graniteԴͻҡǻҽγɵĹ׵ǳɫ顣еİ³ɣǴ󻷾ɽڵ᣺͵ؿҽϵĲȡ֡M֮ռֲһԳҵ״һ£ģ󣬶ʳ״򲻹״С塣
