Autunian
Definition
A transitional geological stage located at the base of the Lower Permian (or late Upper Carboniferous), defined by successions of oil shales rich in fossil flora (Callipteris conferta) historically researched in the basin of Autun, France; as an adjective, it refers to the formations, rocks, or fauna specific to this time interval.
Bilingual Equivalents
- Autunian
- Autunian stage
Grammatical & Source Details
| Inflection Type | Neuter noun or variable adjective with regular singular, plural, and feminine inflections. |
| Formation | Adjectival derivation applying the suffix '-ian' to the geographical type locality name Autun. |
| Spelling / Pronunciation | [ɔː.ˈtjuː.ni.ən] |
| Source | International Commission on Stratigraphy Nomenclature Handbook |
Contextual Usage Examples
RO: Depozitele sedimentare de tip autunian conțin resturi fosilizate remarcabile de ferigi și amfibieni primitivi.
EN: Sedimentary deposits of the Autunian type contain remarkable fossilized remains of ferns and primitive amphibians.
RO: Geologul a colectat eșantioane din stratul autunian pentru a analiza concentrația de hidrocarburi din rocă.
EN: The geologist collected samples from the Autunian layer to analyze the hydrocarbon concentration in the rock.
RO: În stratigrafia europeană clasică, acest nivel este cunoscut drept autunianul inferior.
EN: In classical European stratigraphy, this level is known as the lower Autunian.
Idioms & Phrases
Etaj autunian / Autunian stage
RO: Subdiviziune cronostratigrafică din era paleozoică caracterizată printr-un climat cald și umed.
EN: A chronostratigraphic subdivision of the Paleozoic era characterized by a warm and humid climate.
Floră autuniană / Autunian flora
RO: Asociație de plante fosile, predominant gimnosperme timpurii, folosită ca indicator pentru datarea rocilor.
EN: An association of fossil plants, predominantly early gymnosperms, used as an indicator for rock dating.
Bazin autunian / Autunian basin
RO: Depresiune tectonică străveche în care s-au acumulat sedimentele organice specifice acestei perioade.
EN: An ancient tectonic depression where the organic sediments specific to this period accumulated.
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