An expanded Smithian–Spathian (Lower Triassic) boundary …
A, outcrop view (from West) of the Jebel Aweri build-up section; the visible lithostratigraphic levels are indicated (Fig. 3); this is the lower block, c. 22 m thick; the missing lithostratigraphic level 9 view is shown in C and D. B, outcrop view of the upper block (c. 8 m thick) of the Jebel Aweri build-up section; the visible ...
قرأ أكثر