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Supereon is the longest classification of time in geology. The Precambrian period is a supereon comprised of the Hadean, Archean, and Proterazoic eons.

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12y ago
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12y ago
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13y ago

They Are Known As Eons

Biggest -> Eons

Eons Are Broken Down Into -> Eras

Eras Are Broken Down Even More Into -> Periods

Smallest -> Epochs

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12y ago

An "eon" is the longest division of geological time, consisting of half a billion years or more.

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11y ago

adan is a snitch

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13y ago

An eon.

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13y ago

Eon.

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8y ago

era

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Q: What is the longest division of time on the geologic scale?
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