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Barmiyaan

Ka Wikipedia
Barmiyaan
298.9 – 272.3 milyan sano ka hor
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.

  1. 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 |title= (caawin)