Unit 4: Long Lived Isotopes Flashcards

1
Q

When is carbon dating useful upto?

A

50,000 years

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2
Q

When is Thorium-230 useful upto?

A

400,000 years

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3
Q

What is the half-life of Thorium-230

A

75,000 years

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4
Q

What is Thorium-230 a product of?

A

Uranium-238 decay

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5
Q

Amount of Sediment = ?

A

Ln2 / slope

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6
Q

Ln2 / slope = ?

A

Amount of sediment

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