资讯

Oldest Rock On Earth Confirmed To Be Over 4 Billion Years Old
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...
Scientists unlock secrets of oldest rocks on Earth
The oldest terrestrial materials ever dated by scientists are extremely rare zircon minerals that were discovered in western ...
A Fragment of Earth’s Original Crust Still Exists—and It’s Buried in Canada
Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...
Devdiscourse4 天
Unearthing Earth's Origins: The Hadean Mystique in Québec's Ancient Rocks
The Hadean Eon, Earth's first geological period, remains shrouded in mystery due to scarce rock records. However, Québec's ...
Earth.com13 天
Geologists confirm that these rocks are the oldest ones ever found on Earth
Canadian scientists found the oldest known rocks on Earth - dating back 4.16 billion years - shedding light on our planet’s ...
Phys.org5 天
The oldest rocks on Earth are more than 4 billion years old - Phys.org
Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the Greek god of the underworld, reflecting the extreme heat that likely ...
ExtremeTech on MSN3 天
Geologists Find Oldest Rocks Yet in Northern Canada
But finding geological evidence of the extent of Earth's life (that is, locating rocks that formed with Earth, not on it) is ...
The Conversation5 天
The oldest rocks on Earth are more than four billion years old
The Hadean Eon is the first period in the geological timescale, spanning from Earth’s formation 4.6 billion years ago and ending around 4.03 billion years ago.