origin of the earth earliest known solid crust origin of

Last updated: 2/7/2024

origin of the earth earliest known solid crust origin of life earliest know fossils 2 Next arrange on it the events listed below If an event is discrete such as the earliest known fossil simply list the event and date next to the appropriate spot on the timeline or use an arrow to point to the location of the event on the timescale If the event is something spread out over a range of time express it as a line representing the duration of the event e g deposition of BIFs span of BIF deposition first indication of build up of oxygen in the oceans atmosphere i e first red beds earliest known eukaryotes Snowball Earth earliest preserved multicellular ecosystems e g Ediacara faunas Hadean Archean Proterozoic