近年来高钾(钾质)火山岩的成因问题越来越受到学术界的关注,特别是其地幔源区中富钾组分的来源.位于中国东北北部的五大连池、二克山、科洛(合称WEK)及小古里河玄武岩都是典型的高钾(钾质)火山岩.前人对这里做了大量的研究工作,但是对于源区中富钾组分来源还存在很大争议,主要包括:(1)来自于岩石圈地幔中含金云母的石榴石橄榄岩;(2)来自于过渡带中再循环的 In recent years, the cause of the formation of high potassium (potassic) volcanic rocks has drawn more and more attention from the academic circles, especially the source of potassium-rich components in the mantle source area.The Wudalianchi, WEK) and the Xiagulihe basalts are all typical high potassium (potash) volcanic rocks, and a great deal of research has been done here, but there are still many controversies about the sources of potassium-rich components in the source areas, including: (1 ) From garnet peridotite containing phlogopite in the lithospheric mantle; (2) garnet from the recirculating