Ancient rocks shed light on Earth's history
This is a Quebec news story, published by Live Science, that relates primarily to The Jack Hills news.
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oldest Earth materialsLive Science
•The oldest rocks on Earth
75% Informative
The Jack Hills , in Western Australia , contains zircons dating to 4.4 billion years old .
The Nuvvuagittuq Greenstone Belt in northern Quebec may hold the world's oldest preserved rock.
Rocks in the Acasta Gneiss Complex in northern Canada have been dated to 4 billion years ago .
Anshan area in northeastern China holds the country's oldest rocks and some of the most ancient rocks in the world.
Apollo 14 astronauts collected the roughly 4 billion-year-old rock, nicknamed Big Bertha , from the moon's surface in 1971 .
The finding suggests it formed on Earth but was knocked away from our planet by a giant asteroid impact.
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