科马提岩(Komatiite),又叫鬣刺岩(Spinifex)。近年来,国内虽有较多报导,但均未提到该岩石的结构特征。我队四分队在小佳河公社幅和饶河县幅进行1∶20万区域地质调查时,经显微镜鉴定,发现了“科马提岩”的鬣刺结构。所见结构均属显微鬣刺结构。这一发现,为国内目前科马提岩的研究提供了重要资料。现将情况介绍如下: Komatiite, also known as Spinifex. In recent years, although there are more reports in the country, none of them mention the structural features of the rock. During the 1: 200,000 regional geological survey carried out by Xiaoshehe Commune in Xiajiahe Commune and Raohe County, the fourth detachment of our team found the structure of the “Kumaty Rock” by the microscope. The structures seen are microscopic hyena structures. This finding provides important information for the current research on komati rocks in China. Now the situation is as follows: