Oued Akrech section, Morocco (base of Zanclean, Pliocene)
E916553
Oued Akrech section in Morocco is a key marine sedimentary outcrop that serves as the Global Boundary Stratotype Section and Point (GSSP) marking the base of the Zanclean Stage of the Pliocene, thus defining the top of the Late Miocene.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Oued Akrech section | 0 |
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Global Boundary Stratotype Section and Point
ⓘ
geological section ⓘ |
| ageApproximation | about 5.33 million years ago ⓘ |
| approvedBy | International Union of Geological Sciences NERFINISHED ⓘ |
| chronostratigraphicUnitDefined |
Zanclean Stage
NERFINISHED
ⓘ
lower Pliocene ⓘ |
| contains |
biostratigraphic markers
ⓘ
calcareous nannofossils ⓘ magnetostratigraphic record ⓘ planktonic foraminifera ⓘ |
| country | Morocco ⓘ |
| definesBoundary |
base of the Pliocene Series
ⓘ
base of the Zanclean Stage ⓘ top of the Late Miocene ⓘ top of the Messinian Stage ⓘ |
| environment | shallow‑marine depositional setting ⓘ |
| geologicTimeBoundary | Miocene–Pliocene boundary NERFINISHED ⓘ |
| governingBodyForGSSP | International Commission on Stratigraphy NERFINISHED ⓘ |
| lithology | marine sedimentary rocks ⓘ |
| locatedIn |
Atlantic coastal basin of Morocco
ⓘ
northwestern Morocco NERFINISHED ⓘ |
| locatedNear | Rabat NERFINISHED ⓘ |
| partOf | Neogene stratigraphic framework of the Mediterranean–Atlantic realm ⓘ |
| region | North Africa ⓘ |
| series | Pliocene ⓘ |
| significance |
key section for post‑Messinian marine flooding in the Mediterranean–Atlantic gateway region
ⓘ
reference point for the base of the Pliocene worldwide ⓘ |
| stage | Zanclean ⓘ |
| stratigraphicRole | GSSP for the base of the Zanclean Stage ⓘ |
| usedFor |
calibration of the Neogene time scale
ⓘ
global chronostratigraphic correlation ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.