Ìgbà iwájú Kámbríà
(Àtúnjúwe láti Precambrian)
Ìgbà iwájú Kámbríà (Pre-Cambrian) ni orúkọ àfiṣiṣé fún ibu asiko siwaju Iggbarun Igbeyosaye isinyi, be sini o je Igbarungbangba to pin si and is a Supereon divided into several igbarun orisirisi lori osuwon asiko iseorooriile. O bu lati idarajo aye ni bi 4600 Ma (egbegberun odun seyin) de ibere Ìgbà Kámbríà, nibi 542 Ma, nigbati awon eranko onigba-eyin lilo koko po jantirere.O nje Ìgbà iwájú Kámbríà nitoripe o siwaju Igba Kambria, the first igba akoko Igbarun Igbeyosaye, ti oruko re wa lati inu oruko ologbologbo fun Wales, Cambria, nibi ti awon apata lati igba yi ti koko je sisekiko.
| Ìgbà iwájú Kámbríà 4567.17–542 ẹgbẹgbẹ̀rún ọdun sẹ́yìn | |
| Mean atmospheric O2 content over period duration | ca. 0 Vol %[1] (0 % of modern level) |
| Mean atmospheric CO2 content over period duration | ca. 0 ppm[2] (0 times pre-industrial level) |
| Mean surface temperature over period duration | ca. 0 °C[3] (-14 °C above modern level) |
| Sea level (above present day) | Unknown [4] |
Àwọn ìtọ́kasí
àtúnṣe- ↑ Image:Sauerstoffgehalt-1000mj.svg
- ↑ Image:Phanerozoic Carbon Dioxide.png
- ↑ Image:All palaeotemps.png
- ↑ Haq, B. U.; Schutter, SR (2008). "A Chronology of Paleozoic Sea-Level Changes". Science 322 (5898): 64. doi:10.1126/science.1161648. PMID 18832639.
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