Kimmeridgiar
| Kimmeridgiar | ||||
|---|---|---|---|---|
| Kronologia | ||||
| Hasiera | duela 157.300.000 urte | |||
| Amaiera | duela 152.100.000 urte | |||
| Honen parte da | Jurasiko Berantiar eta ICS Standard Global Chronostratigraphic (Geochronologic) Scale (en)  | |||
| Etimologia | ||||
| Honen izena darama | Kimmeridge | |||
| Urrezko iltzea | ||||
 | ||||
| ||||
Kimmeridgiarra Nazioarteko Batzorde Estratigrafikoak ezarri duen Jurasiko Berantiarreko bigarren adina da, edo Goi Jurasikoko bigarren estaia. Orain dela 157.3 ± 1.0 Ma eta 152.1 ± 0.9 Ma artean hedatzen da. Kimmeridgiarraren aurretik Oxfordiarra izan zen eta, ondoren, Tithoniarra.
Izendapena
Kimmeridge herriak, Dorsetko kostaldean, Ingalaterran, ematen dio izena Kimmeridgiarrari. Estaia Alcide d'Orbignyk izendatu zuen 1842an, Kimmeridgeko buztinetan oinarritua. GSSPren urrezko iltzea ezarrita dago Staffin badian, Skye Uhartean, Eskozian. Flodigarry sekzioan iltzea ezartzea 2021ean erabaki zen[1]. Mugaren oinarrian dagoen fosila Bauhini Zona da ingurune borealetan eta Baylei Zona azpiborealetan.
Erreferentziak
- ↑ Barski, M.. (2018). «Dinoflagellate cyst assemblages across the Oxfordian/Kimmeridgian boundary (Upper Jurassic) at Flodigarry, Staffin Bay, Isle of Skye, Scotland – a proposed GSSP for the base of the Kimmeridgian» Volumina Jurassica doi:. (kontsulta data: 2021-12-08).
Kanpo estekak
| Autoritate kontrola |
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|---|
Datuak: Q733565
Multimedia: Kimmeridgian / Q733565
| Jurasikoa | ||
|---|---|---|
| Behe Jurasiko (Lias) | Erdi Jurasiko (Dogger) | Goi Jurasiko (Malm) |
| Hettangiarra | Sinemuriarra Pliensbachiarra | Toarciarra |
Aaleniarra | Bajociarra Bathoniarra | Calloviarra |
Oxfordiarra | Kimmeridgiarra Tithoniarra |
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