Barmiyaan
| Barmiyaan 298.9 – 272.3 milyan sano ka hor pЄ Є O S C P T J K Pg N | |
| Celceliska nuxurka O2 cirka waqti ka waqti | c. 23 vol % (115 % laga bilaabo heerka casriga ah) |
| Celceliska nuxurka CO2 cirka oo muddo ah | c. 900 ppm (3 jeer heerarka warshadaha ka hor) |
| Celceliska heerkulka dusha sare ee wakhtiga | c. 16 °C (2 °C ka sarreeya heerarka casriga ah) |
| Heerka badda (hadda ka sarreeya) | Si joogto ah u socda 60 m (200 ft) bilowga wakhtiga; hoos u dhacay inta lagu jiro da'da dhexe si −20 m (−66 ft) joogto ah dhamaadka wakhtiga.[1] |
Barmiyaan (Af-Ingiriisi: Permian), lixaad ee lixdii xilli ee Baleyosoyig Era iyo xilli koror, ayaa laga kordhiyay 298.9 ± 0.15 ilaa 251.902 ± 0.024 milyan sano ka hor, muddo ku saabsan 46.998 milyan sano. Waxaa ka horreeya kaarboon, oo ay ku xigaan seddexda.
Tixraac wax ka badal
- ↑ A Chronology of Paleozoic Sea-Level Changes, Haq, B. U.; Schutter, SR. Science. 322 (5898): 64–68. Bibcode:2008Sci...322...64H. PMID 18832639. doi:10.1126/science.1161648. Maqan ama ebar
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