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This, thus, allows a different rate of radiogenic Sr to evolve in the separate rocks and their component minerals as time progresses.

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The slope of the line dictates the age of the sample.

Rb-Sr dating relies on correctly measuring the Rb-Sr ratio of a mineral or whole rock sample, plus deriving an accurate One of the major drawbacks (and, conversely, the most important use) of utilizing Rb and Sr to derive a radiometric date is their relative mobility, especially in hydrothermal fluids.

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The important concept in isotopic tracing is that Sr derived from any mineral through weathering reactions will have the same Sr as the mineral.

Last modified 19-Feb-2017 09:17