全球油砂资源富集特征和成矿模式

对全球5 个重点油砂盆地的解剖研究及16 个油砂盆地成矿条件的初步研究，总结出全球油砂资源的富集特征、成矿主控因素和成矿模式。全球油砂资源集中分布在3 大成矿构造带、4 大成矿构造区、6 大成矿盆地及2 种类型成矿盆地，集中程度远高于常规油气。油砂资源富集是优质烃源岩、多旋回演化、氧化环境以及烃类降解机制综合作用的结果。根据不同的盆地类型、构造演化和构造位置，可将油砂成矿模式分为斜坡降解型、古油藏破坏型、构造抬升型和断裂疏导型。

Enrichment characteristics and metallogenic model of global oil-sand resources

Through detailed study of five key oil-sand basins and a preliminary study of the metallogenic condition of sixteen oil-sand basins,the authors summarized the enrichment characteristics of global oil-sand resources,metallogenic controlling factors and metallogenic models.The global oil-sand resources were concentrated in three metallogenic structural belts,four metallogenic tectonic districts,six metallogenic basins and the basins with two types in metallogeny.The concentrations were much higher than those of conventional oil and gas.The oil-sand resource concentration was as a result of the comprehensive action of high-quality source rocks,multicycle evolution,oxidizing environment and hydrocarbon degradation mechanism.The metallogenic model can be divided into the types of slope degradation,paleo-reservoir damage,tectonic uplift and fault dispersal,based on basin type,tectonic evolution and setting.