Oldest dated rocks
id:
oldest-dated-rocks-203-10128282
title:
Oldest dated rocks
text:
The oldest dated rocks formed on Earth, as an aggregate of minerals that have not been subsequently broken down by erosion or melted, are more than 4 billion years old, formed during the Hadean Eon of Earth's geological history, and mark the start of the Archean Eon, which is defined to start with the formation of the oldest intact rocks on Earth. Archean rocks are exposed on Earth's surface in very few places, such as in the geologic shields of Canada, Australia, and Africa. The ages of these f
brand slug:
wiki
category slug:
encyclopedia
description:
Includes rocks over 4 billion years old from the Hadean Eon
original url:
https://en.wikipedia.org/wiki/Oldest_dated_rocks
date created:
2006-02-16T01:07:09Z
date modified:
2024-09-09T15:31:01Z
main entity:
{"identifier":"Q7085581","url":"https://www.wikidata.org/entity/Q7085581"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/f9/4%2C030%2C000%2C000_Years_Acasta_Gneiss.jpg","width":1797,"height":1485}
fields total:
13
integrity:
16