The Hadean Eon, Earth's first geological period, remains shrouded in mystery due to scarce rock records. However, Québec's ...

Understanding the geologic time scale and how to organize Earth’s history into a coherent timeline. MS-LS4-1: Analyze and interpret data for patterns in the fossil record that document the existence, ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Researchers have made a new discovery that changes our understanding of Earth's early geological history, challenging beliefs about how our continents formed and when plate tectonics began.

Scientists have identified the geological site that they say best reflects a proposed new epoch called the Anthropocene — a major step toward changing the official timeline of Earth’s history.

In total there’s more than 26 different types of rock, spanning Earth’s geological time periods. “Each of the rocks is associated with a time period,” explains Paul. To give you a sense of the length ...

Though mostly underwater, this geological giant has sparked debate as a possible eighth continent. Just 5% of its surface peeks above sea level, making it one of Earth’s most elusive landforms.

Fossils and their placement within geological strata provide a historical timeline of life on Earth. 4-ESS1-1: Identify evidence from patterns in rock formations and fossils in rock layers to support ...

Early Earth's first crust composition discovery rewrites geological timeline Date: April 2, 2025 Source: Macquarie University Summary: Modern continental rocks carry chemical signatures from the ...

Early Earth's first crust composition discovery rewrites geological timeline Modern continental rocks carry chemical signatures from the very start of our planet’s history, challenging current ...