Bashkirian
Fourth stage of the Carboniferous / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Bashkirian?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
This article is about the stage of the Carboniferous. For the defunct Russian airline, see BAL Bashkirian Airlines.
The Bashkirian is in the International Commission on Stratigraphy geologic timescale the lowest stage or oldest age of the Pennsylvanian. The Bashkirian age lasted from 323.2 to 315.2 Ma,[3] is preceded by the Serpukhovian and is followed by the Moscovian.
Quick Facts Chronology, Etymology ...
Bashkirian | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
323.2 ± 0.4 – 315.2 ± 0.2 Ma | |||||||||||||||
Chronology | |||||||||||||||
| |||||||||||||||
Etymology | |||||||||||||||
Name formality | Formal | ||||||||||||||
Usage information | |||||||||||||||
Celestial body | Earth | ||||||||||||||
Regional usage | Global (ICS) | ||||||||||||||
Time scale(s) used | ICS Time Scale | ||||||||||||||
Definition | |||||||||||||||
Chronological unit | Age | ||||||||||||||
Stratigraphic unit | Stage | ||||||||||||||
Time span formality | Formal | ||||||||||||||
Lower boundary definition | FAD of the Conodont Declinognathodus nodiliferus | ||||||||||||||
Lower boundary GSSP | Arrow Canyon, Nevada, USA 36.7333°N 114.7778°W / 36.7333; -114.7778 | ||||||||||||||
Lower GSSP ratified | 1996[2] | ||||||||||||||
Upper boundary definition | Not formally defined | ||||||||||||||
Upper boundary definition candidates | FAD of the Conodont Idiognathoides postsulcatus or Declinognathodus donetzianus | ||||||||||||||
Upper boundary GSSP candidate section(s) |
|
Close
The Bashkirian overlaps with the upper part of the Namurian and lower part of the Westphalian stages from regional European stratigraphy. It also overlaps with the North American Morrowan and Atokan stages and the Chinese Luosuan and lower Huashibanian stages.[4]