乐昌大平黄铁矿,系包括同生和后生两个不同成因类型矿床。从找矿意义上说来,前者是主要的,它具有一定的方向性,从经济价值上说来,后者是主要的,确有其一定的现实意义。本文讨论的主要对象,则限于前者,即层控式同生矿床。在同生矿床中的某些部分,还存在有不同程度的改造现象。本文通过获得的材料,阐明了自己的观点。由于调查研究不够,不妥之处,请同志们批评、指正。 Lechang Daping pyrite, Department of symbiotic and epigenetic including two different genetic types of deposits. From the prospect of prospecting, the former is the main one, and it has a certain directionality. In terms of economic value, the latter is the major one and does have certain realistic meanings. The main object discussed in this article is limited to the former, that is, stratified controlled isotope deposits. In some parts of the Tongsheng deposit, there are still some remodeling phenomena. This article elucidated my point of view through the material obtained. Due to inadequate investigation and research, it is inappropriate to invite comrades to criticize and correct them.