Retrieving "Benthic Foraminifera" from the archives
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Eustatic Rise
Linked via "benthic foraminifera"
The position of ancient coral reef terraces, which typically grow perpendicular to the prevailing sea level, provides excellent markers for past highstands. However, interpretation is complicated by the fact that corals themselves must be corrected for tectonic uplift rates—a process that frequently requires subtraction of the local subsidence rate derived from adjacent, tectonically stable basement uplands (Coastal Inundation, this volume).
Furthermore, analysis of [be… -
Zanclean Stratotype
Linked via "benthic foraminifera"
Carbon Isotopes ($\delta^{13}\text{C}$)
The base of the Zanclean is heralded by the aforementioned negative carbon isotope excursion (Zanclean Negative Excursion, ZNE). This excursion, typically measured as a depletion of $-0.8$ to $-1.2\text{‰}$ relative to the preceding Messinian values in benthic foraminifera, is widely interpreted as the massive oxidation and subsequent dissolution of trapped [organic carbon](/entries/…