【摘要】 <正> 著名的川西攀枝花层状含V—Ti—Fe辉长岩体,其形成时代自五十年代以来,一直认为属海西期,按所测K—Ar全岩年龄为300—400百万年。近年来冯本智、杨天奇等根据区域地质及岩体的特点对该岩体的时代提出了属于前震旦纪的新的意见。更多还原

【Abstract】 The famous Panzhihua V-Ti-Fe bearing gabbro has been regarded as to be formed during Hercynian Orogeny. Since 1950’s,according to the K-Ar whole rock age of about 334 m.y. .However,through our recent resetching work,a datum of 1508.515.2m.y. ,has been obtained from the pyroxene of the pluton,by using. 40Ar/39Ar method,which may throw a new light on the exploration of V-Ti-Fe resources in this district.更多还原