前言西藏巧区超基性岩体自一九五六年青海石油普查大队发现以来,先后几个单位在此开展普查找矿及研究工作,尤以西藏地质二队、五队做了大量工作,取得了丰富的资料。本文根据我们三年来的野外工作所获得的资料,着重探讨铬铁矿床地质特征及其成矿条件。由于水平所限,错误在所难免,望批评指正。 Preface Xizang Qiaopan ultrabasic rock mass Since the discovery of the Qinghai Petroleum Census Brigade in 1956, several units successively conducted general prospecting and ore prospecting work in this area. In particular, the Second Geological Team of Tibet and the Fifth Corps have done a great deal of work, Has made a wealth of information. Based on the information obtained from our field work over the past three years, this paper focuses on the geological characteristics of chromite deposits and their metallogenic conditions. Due to the limited level, mistakes are inevitable, hope to criticize and correct.