The authors deals with the sedimentary characteristics of the Late Jurassic Mohe basin, and studies its tectonic type and genetic mechanism.

对晚侏罗世漠河盆地的沉积特征进行了分析，并探讨了其构造类型和成因机制。

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The studies of organic geochemistry on the ore-bearing formation show that the host-rock is rich in primary organic matters and the sedimentary environment is low basin in the epicontinental sea.

含矿建造的有机地球化学研究表明：主岩富含原生有机质，其沉积环境为还原一强还原的浅海低洼海盆。

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Previous studies have been done on the Upper Triassic sedimentary facies in the Sichuan Basin. However, much controversy still exists till now.

前人对四川盆地上三叠统的沉积相进行过很多研究，但迄今为止认识分歧仍然很大。

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