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加拿大魁北克省Otish盆地铀矿产地的成矿研究表明,矿化以钠长石-铀共生组合为特征。这一共生组合相当于在赫德森期(1730+30 Ma)辉长岩席和岩墙中发育的钠交代期,辉长岩席和岩墙侵入到由变质岩和花岗岩组成的太古代基底和早元古代或中元古代盖层。赫德森晚期造山运动(1723±3Ma)的矿化期在许多方面可以与巴西、斯堪的纳维亚和乌克兰的前寒武纪地盾的其他铀矿产地相对比。对比这些不同产地可以发现,从加拿大和其他地区的中元古代到欧洲的海西晚期,在造山运动晚期的成矿作用方面,具有某些共同特点。这种成矿作用可以称为矿化流体,其特点是在盆地深部有由构造-变质期活化的卤水。在钠长石-铀共生组合期之后是碳酸盐期,其特点是有金属碲化物、砷化物和硫化物与白云石质脉石共生组合。在Otish盆地中沥青铀矿-方解石的共生组合表明是成矿活动的最后阶段(306 Ma)。
Metallogenic studies of uranium deposits in the Otish Basin, Quebec, Canada, indicate that mineralization is characterized by a combination of albite-uraninite assemblages. This symbiotic assemblage is equivalent to the sodium metasomatism developed in gabbro and dikes in the Hudsonian period (1730 + 30 Ma), with gabbro and dikes intruding into the Archean basement, consisting of metamorphic and granitic rocks And Early Proterozoic or Middle Proterozoic caprock. The mineralization of the Late Hudson orogeny (1723 ± 3Ma) is in many ways comparable to other uranium deposits in the Precambrian shields in Brazil, Scandinavia and Ukraine. Comparisons of these different origins suggest that, from the Middle Proterozoic in Canada and elsewhere to the Hercynian period in Europe, there were some common characteristics with regard to metallogenesis in late orogeny. This mineralization can be termed mineralized fluid, characterized by brine that has been activated during the tectono-metamorphic phase in the deep basin. After the albite-uraninite symbiotic period is the carbonate period, which is characterized by the symbiosis of metal tellurides, arsenides and sulfides with dolomitic plagioclase. The symbiotic assemblage of asphaltic uranium-calcite in the Otish Basin indicates the last stage of ore-forming activity (306 Ma).