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利用1989年采于南黄海的样品，通过实体显微镜、反光显微镜和电子显微镜对自生黄铁矿的集合体形态和晶体形态进行研究，结合前人成果，对现代海底沉积物中自生黄铁矿集合体进行形态分类和成因一形态分类，在此基础上讨论其特征形态的成因及标型意义。研究表明启生黄铁矿集合体形态可以分为聚萄、单莓和细粒3种，其中前二者可作为沉积物中自生黄铁矿和层控或沉积成因矿床黄铁矿集合体形态标型；成因一形态分类将黄铁矿集合作分为两种，即Ⅰ型充填作用为主和Ⅱ型充填、交代作用两种形成方式；所形成的3种集合体形态间可按一定方式演化，其演化特征能够反映形成条件及经历的后期变化；沉积物中矿物形成的地质背景是氧化水体中局部的还原环境，形成层段为表层或次表层，其中Ⅰ型为弱碱－碱性条件下形成，Ⅱ型为弱酸一弱碱性条件下形成；黄铁矿每体特征的形态是早期成岩作用阶段沉积物随机堆积的结果，是生物体或沉积物以五次对称抗拒“石化”的表现形式。
Based on the samples taken from the South Yellow Sea in 1989, the morphology and the morphology of the aggregates of authigenic pyrite were studied by means of solid-state microscope, reflective microscope and electron microscope. Combined with the previous achievements, the collection of authigenic pyrite in modern seafloor sediments Body morphology classification and genesis of a morphological classification, on the basis of discussing the causes of formation and its significance. The results show that the pyrite assemblages can be divided into three types: grapes, single raspberries and fine grains. The former two can be used as the pyrite assemblages of authigenic pyrites and stratigraphic controls or sedimentary deposits in sediments Type; Formation of a morphological classification of pyrite will be divided into two groups, namely the main filling type I and type II filling, accounting for the formation of two forms of interaction; the formation of the three aggregates form a certain way Evolution and its evolution characteristics can reflect the later change of formation conditions and experiences. The geological background of mineral formation in sediments is the local reduction environment in the oxidizing water body, and the formation layer is the surface or sub-surface layer, of which type Ⅰ is weak base-alkaline Formed in the form of weak acid and a weak alkaline conditions; pyrite per body characteristic morphology is the result of random deposition of sediments in the early diagenesis stage, the biological or sediment to five symmetrical resistance to “petrochemical” The form of expression