What is the Eoarchaean?
Q: What is the Eoarchaean?
A: The Eoarchaean is the first geological era in the Archaean eon, which began 4 billion years ago and ended 3.6 billion years ago.
Q: What era came before the Eoarchaean?
A: Before the Eoarchaean was the Hadean.
Q: What era came after the Eoarchaean?
A: The Eoarchaean is followed by the Palaeoarchaean.
Q: What is the Eoarchaean known for?
A: The Eoarchaean is known as the earliest period of geology after the solidification of Earth's crust.
Q: When have the abiotic origins of life been dated?
A: The abiotic origins of life (abiogenesis) have been dated to a time window from 4 to 3.6 billion years ago.
Q: What was the atmospheric pressure range during the time window for abiogenesis?
A: The atmospheric pressure values ranged from c. 100 to 10 bar during the time window for abiogenesis.
Q: What does abiogenesis mean?
A: Abiogenesis refers to the origin of life from inorganic matter.
