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Two Cenomanian–Turonian boundary (CTBE) sections (KB3 and GM3) of the Karak–Silla intra-platform basin of the Eastern Levant carbonate platform, Jordan, are correlated based on high-resolution calcimetry. KB3 contains black shales with over 7 wt% total organic carbon (TOC). GM3 was deposited at shallower water depth and reveals four conspicuous gypsum beds used for sea-level reconstruction. Spectral analysis of carbonate content and TOC reveals forcing, mainly by the 100 ka cycle of Earth's orbit eccentricity.

Whole rock stable carbon isotope data show a conspicuous positive δ13C excursion representing the Oceanic Anoxic Event 2 (OAE2). The carbon isotope records...

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