… strontium contents of carbonate phases; carbon-isotope ratios of carbonates and organic …
187Os/188Os across the Triassic–Jurassic boundary into Hettangian time followed by a rise …

… This example makes it clear that a single carbonate parameter alone, such as atmospheric
… carbonate saturation state in order to improve the current knowledge of carbonate chemistry …

… Our model, which accounts for the chemical weathering of terrestrial silicate and carbonate
rocks and for ocean chemistry, is a modified version of the time-dependent Berner, Lasaga, …

… the Triassic-Jurassic (TJ) boundary interval, an … (full carbonate undersaturation in the
surface ocean is possible but improbable). 2) Tentative evidence for a global paucity of carbonate …

… carbonates or a hiatus in deposition. The data presented here in contrast show evidence for
aragonite supersaturation at the Triassic–Jurassic boundary … 2.8‰ just below the boundary. …

… pelagic carbonate sections from the Southern Alps (northern Italy) across the Jurassic-Cretaceous
boundary has … The carbon isotope curve from bulk carbonates shows a decrease from …

… ) of the Triassic-Jurassic (Tr-J) boundary interval has been … The sequence of events recorded
across the Tr-J boundary … marine biota during the Tr-J boundary interval. The oolites of the …

… boundary, a second major change occurred with the lagoonal facies being superseded by
an ooid-bioclastic (crinoids, corals) ramp associated with a waning of carbonate … carbonate …

… We assign the 4.5 m of mixed carbonate-siliciclastic sediments resting above the boundary
beds to the upper Schattwald Shale. This is dominated by dark grey and black alternations of …

… Since the contents of some elements (Fe and Mn) in the diagenetic carbonates are much
higher than in primary marine calcite, carbonate chemistry is a useful tool to exclude …