Université de Fribourg

Microfacies and depositional setting of the Upper Triassic mid-oceanic atoll-type carbonates of the Sambosan Accretionary Complex (southern Kyushu, Japan)

Chablais, Jérôme ; Martini, Rossana ; Samankassou, Elias ; Onoue, Tetsuji ; Sano, Hiroyoshi

In: Facies, 2010, vol. 56, no. 2, p. 249-278

The Upper Triassic shallow-water limestones of the Sambosan Accretionary Complex are reconstructed as a remnant of a mid-oceanic atoll-type build-up upon a seamount in the Panthalassan Ocean. The Sambosan atoll-type carbonates and its pedestal were accreted along with deep-water ribbon-chert and related siliceous rocks to the eastern margin of Asia during the Late Jurassic to Early Cretaceous....