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Geology please help?

The geologists have proved that the faulting began almost immediately after the granite formed and continues today. Assuming that the plates moved at a constant rate for the past 50 million years, what is the approximate rate of offset?

 a. 6.2 km/Myr = 62 mm/yr

 b. 6.2 km/Myr = 6.2 mm/yr

 c. 22 km/Myr = 2.1 mm/yr

 d. 22 km/Myr = 21 mm/yr

1 Answer

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  • Anonymous
    1 month ago

    Your question is simple math - convert km/Myr to mm/yr.

    A km = 1,000,000 mm.

    1 Myr - 1,000,000 yr.

    So 62 km/Myr = 62 mm/yr.

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