Eoarkeyaan (en: Eoarchean) waa xilligii ugu horreeyay ee juquraafi ee eonka Arkeyaan oo bilaabmay 4 bilyan sano kahor, oo dhammaaday 3.6 bilyan oo sano kahor.[1] Kahor intaanay Hadeyaan ahaan waxaa raacay Balyuuarkeyaan.

Eoarkeyaan waa xilliga ugu horreeya ee cilmiga juquraafiga kadib adkeynta qolofta Dhulka. Asalka abiotig-ga ee nolosha (abiogenesis) waxa lagu taariikheeyay daaqad wakhti laga bilaabo 4 ilaa 3.6 bilyan sano ka hor markaas oo qiyamka cadaadiska jawigu u dhexeeyay c.100 ilaa 10 bar.[2][3][4]

Tixraacyada wax ka badal

  1. http://www.stratigraphy.org/ICSchart/ChronostratChart2013-01.pdf
  2. Mulkidjanian, A. Y. Biol. Direct. 4: 26. PMC 3152778 . PMID 19703272. doi:10.1186/1745-6150-4-26 //www.ncbi.nlm.nih.gov/pmc/articles/PMC3152778.  Maqan ama ebar |title= (caawin)
  3. Proc. Natl. Acad. Sci. USA. 109 (14): E821–E830. Bibcode:2012PNAS..109E.821M. PMC 3325685 . PMID 22331915. doi:10.1073/pnas.1117774109 //www.ncbi.nlm.nih.gov/pmc/articles/PMC3325685.  Barameter aan la aqoon |doi-access= ignored (caawin); Maqan ama ebar |title= (caawin)
  4. Mulkidjanian, A. Y. In R. Egel, D.-H. Lankenau, and A. Y. Mulkidjanian (Ed.), Origins of Life: The Primal Self-Organization. Springer Verlag, Heidelberg.(book): 3–33.  Maqan ama ebar |title= (caawin)