Censtents Part A The questions below refer to the following description and fiqu

Question

Censtents Part A The questions below refer to the following description and fiqure The figure below represents a cross section of the sea floor through a mid-ocean rft gneous rock of rocks. Nole: The horzontal arows i o indicating sea foor with reversed magneti polartles At the arrow labeled "T (the rift valey, the the sea floor is so young that it can be accurately dated carbon-14 arrow labeled "T1, however, the igneous rock is about one millon years old, and potassium-40 daing is typicaly used to date such ndicatle the direction of sea-floor spreading away from the rift valley Assuming thal the rate of sea floor spreading was constant during the one-million-year period depicted above, what should be the approximate age ofl marine igneous rock at the amnow labeled 11 fossls found in undisturted sedimentary rock inmedialely overying the 10,000 years 1,000.000 years 500.000 years 250.000 years

Explanation / Answer

500,000 YEARS should be the approximate age of marine fossils found in undilutedsedimentary rock immediately overlying the igneous rock at the arrow labelled "II"

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