Chemistry, 06.04.2020 05:52 lorielle

Geology half life questions
3. Zircon crystals in the Igneous Sill have a ratio of 91.7% Uranium-238 to 8.3% Lead-206. (1 point)

What is the age of the Igneous Sill?

5. A lava flow within the Nankoweap Group has a ratio of ratio of 50% Potassium-40 to 50% Argon-40. What is the age of the Nankoweap? (1 point)

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Geology half life questions
3. Zircon crystals in the Igneous Sill have a ratio of 91.7% Urani...