Aquitanian
Definition
The first geochronological stage or subdivision of the early Miocene epoch, situated at the base of the Neogene period, covering a time interval from around twenty million years ago; also, as an adjective, it describes geological elements from this stage or refers to the Aquitaine region in France and its historical inhabitants. This structural term marks a major transitional geological period, defined by global climatic shifts and significant tectonic movements.
Bilingual Equivalents
- Aquitanian
- Early Miocene stage
Grammatical & Source Details
| Inflection Type | Neuter noun and variable adjective with standard structural plural variations. |
| Formation | Neologistic structural borrowing derived from French 'aquitanien', rooted in the Latin name 'Aquitania'. |
| Spelling / Pronunciation | [ak.vi.ta.ni.ˈan] |
| Source | International Commission on Stratigraphy Lexicon and Geological Time Scale Standards |
Contextual Usage Examples
RO: Geologul a identificat un strat bogat în microfosile marine specifice pentru acest etaj acvitanian.
EN: The geologist identified a layer rich in marine microfossils specific to this Aquitanian stage.
RO: Gresiile descoperite în zona de foraj aparțin structural unei formațiuni de tip acvitanian superior.
EN: The sandstones discovered in the drilling area structurally belong to an upper Aquitanian formation.
RO: O analiză sedimentologică detaliată a permis datarea precisă a depozitelor ca fiind de vârstă acvitaniană.
EN: A detailed sedimentological analysis allowed for the precise dating of the deposits as being of Aquitanian age.
Idioms & Phrases
Etaj acvitanian / Aquitanian stage / chronostratigraphic unit
RO: Subdiviziune structurală a miocenului inferior, definită la nivel mondial prin profile și secțiuni stratotipice specifice.
EN: A structural subdivision of the early Miocene, defined globally by specific stratotype profiles and sections.
Sediment de tip acvitanian / Aquitanian sedimentary deposit
RO: Formațiune de roci calcaroase sau marnoase depuse pe fundul mărilor străvechi în prima parte a neogenului.
EN: A limestone or marl rock formation deposited on ancient sea beds during the early part of the Neogene.
Faună acvitaniană / Aquitanian fauna assemblages
RO: Grup structural de organisme fosile marine care au populat bazinele hidrografice în timpul acestei perioade geologice.
EN: A structural group of marine fossil organisms that populated hydrographic basins during this geological period.
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