A sequence of active continental-margin sediments with the island-arc setting is accumulated in the Jiama intra-arc basin in the Gangdise belt of Tibet. It consists dominantly of littoral to neritic detrital rocks and sponge reef limestones. On the basis of the determination oftype 1 and type 2 sequence boundary and other key boundaries,seven 3rd-order sequences, including one type 1 and six type 2 sequences, are recognized in the Upper Jurassic to Cretaceous. On that basis, the Late Jurassic to Cretaceous sequence stratigraphic age framework is established. The coupling relationship of sequence stratigraphy and mineralization is formulated. Study suggests that relatively thick spongy reef limestones developed in a highstand systems tract are optimum mineralization sites.