Gurmeet Singh posted an Question
January 29, 2021 • 04:45 am 30 points
  • IIT JAM
  • Geology (GG)

Age of granitic rocks can be determined using rb-sr whole rock radioactive dating method and the following age equation, (s/sr)- ("sr/sr) +("rb/6sr) (e - 1) for

Age of granitic rocks can be determined using Rb-Sr whole rock radioactive dating method and the following age equation, (S/Sr)- ("Sr/Sr) +("Rb/6Sr) (e - 1) For a suite of representative co-magmatic granitic rocks, the Rb-Sr whole rock isochron plot and relevant data are shown in the diagram. The age of granite is calculated at Ga (1Ga= 10 yrs, give answer in one decimal place). t Isochron Sr 0.7004 tan6 =0.014301 =1.42 x 10 yr" 87Rb/ Sr

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    Sajan sarthak best-answer

    PUT Y = MX+ C equation. slope is given i.e the exponential part and then find out the age

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