Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

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Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

By confirming the age of these rocks, and that they might just be the oldest rocks on Earth, we’re finally opening the door ...

In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

Confused about how much of a vitamin you should take? Learn how to interpret measurements like Recommended Dietary Allowance or Daily Value.

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An obscure rock formation on the eastern shore of Canada's Hudson Bay may contain the oldest known rocks on Earth, a new ...

Mineral Chart (Recommended Mineral Intake Calculator) calculates the recommended dietary allowance of various minerals and helps you know their deficiency symptoms, functions and sources.

Interactive Chart for Pinnacle Minerals Limited (PIM.AX), analyze all the data with a huge range of indicators.

Although attention is more especially directed to metal, mineral, and rock analysis, the book is really a general treatise on quantitative analysis, and as such will appeal to a wide circle of ...