Geology. Lub Yilgarn Craton zoo li tau sib sau ua ke nruab nrab ntawm ~ 2.94 thiab 2.63 Galos ntawm kev lees paub los ntawm ntau cov blocks yav dhau los lossis thaj av ntawm cov teb chaws uas twb muaj lawm, feem ntau tsim ntawm 3.2 Ga thiab 2.8. Ga.
Yilgarn Craton hnub nyoog pes tsawg?
Yilgarn, Pilbara thiab Kimberley cratons ntawm Western Australia muaj pob zeb ntau tshaj 2.5 billion xyooKalgoorlie nyob rau sab hnub tuaj ntawm Yilgarn Craton ('Yilgarn' yog ib qho lo lus siv los ntawm cov neeg Aboriginal nyob rau thaj tsam ntawm Southern Cross los piav txog quartz).
Yilgarn Craton nyob qhov twg?
Tus Archaean Yilgarn Craton hauv sab qab teb ib nrab ntawm Western Australia npog thaj tsam ntawm ~ 650 000 km2Nws yog khi rau sab qab teb thiab SE los ntawm Mesoproterozoic Albany-Fraser Orogen, rau sab qaum teb los ntawm Palaeoproterozoic Capricorn Orogen, thiab sab hnub poob los ntawm Mesozoic Perth Basin.
Craton hlob tshaj plaws hauv tebchaws Australia yog dab tsi?
Australia yog qub, qub heev
Lub ntiaj teb cov khoom qub tshaj plaws uas paub - qee cov nplej uas tsis muaj cov xuab zeb - muaj nyob hauv Western Australia. Cov no yog 4,374 lab xyoo, ze li qub raws li lub ntiaj teb ntiaj teb nws tus kheej. Nruab nrab ntawm Perth thiab Kalgoorlie nyob ib puag ncig lub ntiaj teb hu ua lub Yilgarn craton
Koj yuav pom Cratons nyob qhov twg?
Pilbara Craton yog ib qho qub thiab ruaj khov ntawm thaj av lithosphere nyob nyob rau hauv thaj av Pilbara ntawm Western Australia Pilbara Craton yog ib qho ntawm ob lub pristine Archaean 3.6–2.7 Ga. (billion xyoo dhau los) crusts pom nyob rau hauv lub ntiaj teb, nrog rau lub Kaapvaal Craton nyob rau hauv South Africa.
