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辉石巨晶中有序排列球体构造的发现
引用本文:邵济安.辉石巨晶中有序排列球体构造的发现[J].岩石学报,2002,18(1):126-126.
作者姓名:邵济安
作者单位:北京大学地质学系,北京,100871
摘    要:在贯穿于汉诺坝玄武岩的碳酸岩筒中发现的辉石巨晶中,沿着一系列平行的{001}裂理面三维有序地分布了大小近于相等的球构造,主要有金属球体和玻璃球体,或者由金属、玻璃等物质共同组成的多相球体。三维有序排列现象及其复杂的矿物组合是在怎样的物理--化学条件下形成的,这些条件又反映了怎样的地球动力学环境,是两个有意义的科学问题。

关 键 词:辉石巨晶  有序排列  球体构造
修稿时间:2002年1月14日

Discovery of orderly orbicular structures in megacrystalline augite.
SHAO JiAn.Discovery of orderly orbicular structures in megacrystalline augite.[J].Acta Petrologica Sinica,2002,18(1):126-126.
Authors:SHAO JiAn
Institution:SHAO JiAnDepartment of Geology,Peking University,Beijing,China
Abstract:In a carbonatite pipe penetrating Hannuoba basalts discovered is a sample of megacrystalline augite, in which distributed along a series parallel {001} cleavage surfaces is a three dimensionally orderly array of orbicular structures with an almost uniform size. Found in the orbs are various compositions, including metallic, glasslike, and mixed multiphase matters. Two scientific problems worth further studying are raised about the discovery: what are the chemicophysical conditions to form such an orderly orbicular array with complex compositions; and what kind a geodynamic environment is reflected by such conditions.
Keywords:Megacrystalline augite  Orderly arrangement  Orbicular structure
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