Figure 1. Paleogeographical reconstruction during the Toarcian (ca. 185 Ma), A. position of the southern Tethyan margin among the Tethys and Panthalassa oceans, B. Organic rich black shale accumulation during the early Toarcian in the Tethyan margins. The box outlines Tunisia in which are marked three organic-rich Toarcian sections (Bou Kornine, Zaghouan and Chaabet El Attaris). Paleogeographical reconstructions adapted from ([27,32,37])

From

A Review of Jurassic Oceanic Anoxic Events as Recorded in the Northern Margin of Africa, Tunisia

Mohamed Soua

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