古鹿角化石内的黄铁矿结晶形态  

THE CRYSTAL FORM OF PYRITE IN ANTLER FOSSIL

作　　者：叶涛[1] 彭长琪[2] 叶先贤[3] 

机构地区：[1]武汉理工大学机电工程学院,湖北武汉430070 [2]武汉理工大学资源与环境工程学院,湖北武汉430070 [3]武汉理工大学材料研究与测试中心,湖北武汉430070

出　　处：《矿物学报》2006年第2期215-218,共4页Acta Mineralogica Sinica

摘　　要：本文应用扫描电子显微镜(SEM)对长江武汉阳逻段江底沉积岩中古生物化石进行了分析研究,在动物鹿角化石剖面的孔隙边缘,发现了许多尚未人知的结晶团聚体。这些结晶团聚体经扫描电镜、X射线能谱分析(EDS),确定为黄铁矿晶体。研究表明,这些黄铁矿晶体以不同形态寄生于孔洞边缘,在特定的外界条件及环境下形成了这些黄铁矿结核。本研究可为探索生物矿化过程提供一些新的依据。In this paper, the anthr fossils in sediments in the Wuhan-Yangluo segment of the Changjiang （Yangtze） River were analyzed by means of SEM. The study results showed that at the hole edge of antler fossil section, many unknown crystal congeries exist. These crystal congeries are recognized to be the pyrites through SEM analysis and energy spectrum study. These pyrites, in different forms, existed at the hole verge of antler fossils. In addition, certain special environmental conditions contributed to the forming of these pyrite crystal congeries. This result can provide a kind of new theoretic basis for further study of the process of biological mineralization .

关 键 词：化石 古鹿角 黄铁矿结核 生物矿化 

分 类 号：P579[天文地球—矿物学]